{"title":"2020 Used Chevy Silverado 2500 Transmissions For Sale | Auto Power Source","description":"\u003c!-- APS-COLL-2020-CHEVY-SILVERADO-2500-TRANS-T4-2026-07-17-v1 --\u003e\n\u003clink rel=\"stylesheet\" href=\"https:\/\/fonts.googleapis.com\/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700\u0026amp;display=swap\"\u003e\n\u003cstyle\u003e\n.collection-hero,.collection-hero__inner,.collection-hero__text-wrapper,.collection-hero__description,.shopify-section--collection-banner{padding-top:0!important;margin-top:0!important;}\n.shopify-section-group-header-group+.shopify-section .collection-hero{padding-top:0!important;margin-top:0!important;}\n.rte:has(.aps-page){max-width:none!important;width:auto!important;margin:0!important;padding:0!important;}\n.aps-page{width:100vw;max-width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);}\n.aps-page,.aps-page *{font-family:'Source Serif 4','Source Serif Pro','PT 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16px!important;}.aps-h2{font-size:23px!important;}.aps-grid-3{grid-template-columns:1fr!important;}.aps-grid-4{grid-template-columns:repeat(2,1fr)!important;}.aps-grid-6{grid-template-columns:repeat(2,1fr)!important;}.aps-trust-row{grid-template-columns:repeat(2,1fr)!important;}.aps-cta-bar{flex-direction:column;}.aps-compare-hint{display:block!important;}}\n\u003c\/style\u003e\n\u003cdiv class=\"aps-page\"\u003e\n\u003cdiv class=\"aps-hero-dark\"\u003e\n\u003cdiv class=\"aps-stat-grid\"\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv class=\"aps-stat-num\"\u003e3\u003c\/div\u003e\n\u003cdiv class=\"aps-stat-label\"\u003everified units in stock\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;border-left:.5px solid rgba(255,255,255,.15);border-right:.5px solid rgba(255,255,255,.15);\"\u003e\n\u003cdiv class=\"aps-rating-line\"\u003e\u003cspan style=\"color:#f4c860;\"\u003e★★★★★\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"aps-rating-line\" style=\"margin-top:4px;\"\u003e\u003ca href=\"https:\/\/www.trustpilot.com\/review\/autopowersource.com\" target=\"_blank\" rel=\"noopener\"\u003eExcellent Customer Reviews\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"aps-stat-label\" style=\"margin-top:6px;\"\u003eon Trustpilot\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv class=\"aps-stat-num\"\u003e3 years\u003c\/div\u003e\n\u003cdiv class=\"aps-stat-label\"\u003emax warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;border-left:.5px solid rgba(255,255,255,.15);\"\u003e\u003cdiv style=\"font-size:21px;font-weight:600;color:#fff;line-height:1.2;\"\u003ePhotos before\u003cbr\u003eshipment\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-bc\"\u003e\n\u003ca href=\"\/\"\u003eHome\u003c\/a\u003e › \u003ca href=\"\/collections\/used-engines-and-transmissions\"\u003eUsed Engines \u0026amp; Transmissions\u003c\/a\u003e › \u003ca href=\"\/collections\/used-chevy-transmissions-for-sale\"\u003eUsed Chevy Transmissions\u003c\/a\u003e › \u003ca href=\"\/collections\/2020-used-chevy-transmissions-for-sale\"\u003e2020\u003c\/a\u003e › Silverado 2500\u003c\/div\u003e\n\u003ch1 class=\"aps-hero-headline\"\u003e2020 Used Chevy Silverado 2500 Transmissions For Sale\u003c\/h1\u003e\n\u003cp class=\"aps-hero-desc\"\u003eThree verified 2020 Chevy Silverado 2500 transmissions are on the shelf today. Every one of them sits behind a 6.6L and every one is an automatic — but two are gasoline trucks and one is a diesel, and that single word is the difference between the right gearbox and an expensive mistake. Each unit is VIN-matched to your truck, shift-tested under load by ASE-certified technicians and photographed before it ships, backed by up to a 3-year warranty and 30-day money-back. Free freight, all fifty states.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca href=\"sms:+13074415554?\u0026amp;body=Hi%2C%20I%20need%20a%202020%20Chevy%20Silverado%202500%20Transmission%20quote.%20VIN%3A%20\" class=\"aps-cta-primary\"\u003eText Your VIN — Match Options\u003c\/a\u003e\u003ca href=\"#aps-products\" class=\"aps-cta-primary\"\u003e↓ Browse all 3 units\u003c\/a\u003e\u003cspan class=\"aps-tertiary-wrap\"\u003eor call \u003ca href=\"tel:+18773138995\"\u003e1-877-313-8995\u003c\/a\u003e · 24h Mon-Sat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-trust-row\"\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003eUp to 3-Year Warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003ePhotos Before Shipment\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003eShift-Tested \u0026amp; Verified\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003eFree Nationwide Shipping\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003e30-Day Money-Back\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003eSecure SSL Checkout\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-section\" style=\"padding-top:24px;\"\u003e\n\u003cdiv style=\"margin-bottom:32px;\"\u003e\n\u003ch2 class=\"aps-h2\"\u003e2020 Silverado 2500 Transmission Fitments In Stock\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;color:#2a3441;margin:0 0 18px;line-height:1.75;\"\u003eAll 3 in-stock 2020 Silverado 2500 transmission fitments, one card per build. Displacement will not sort this page for you — all three are 6.6L. What sorts it is fuel and drivetrain. Read the cards, then let the VIN confirm it at the order step.\u003c\/p\u003e\n\u003cdiv class=\"aps-grid-6\"\u003e\n\u003ca class=\"aps-model-card\" href=\"#aps-products\"\u003e\u003cdiv class=\"model-name\"\u003e6.6L gasoline — 4x2\u003c\/div\u003e\n\u003cdiv class=\"model-desc\"\u003eThe two-wheel-drive gasoline truck. Same displacement as the diesel on this page and a completely different powertrain behind it — the gearbox is not shared.\u003c\/div\u003e\u003c\/a\u003e\n\u003ca class=\"aps-model-card\" href=\"#aps-products\"\u003e\u003cdiv class=\"model-name\"\u003e6.6L gasoline — 4x4\u003c\/div\u003e\n\u003cdiv class=\"model-desc\"\u003eThe four-wheel-drive gasoline truck. It parts company with the 4x2 above at the output and the transfer interface, so the two are not interchangeable.\u003c\/div\u003e\u003c\/a\u003e\n\u003ca class=\"aps-model-card\" href=\"#aps-products\"\u003e\u003cdiv class=\"model-name\"\u003e6.6L diesel — 4x4, opt MGM (ID OMKF)\u003c\/div\u003e\n\u003cdiv class=\"model-desc\"\u003eThe diesel, four-wheel drive, carrying option code MGM and unit ID OMKF. Those codes are on the listing for a reason: this is the one fitment on the page where the paperwork, not the badge, is what confirms the match.\u003c\/div\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:15px;color:#5a6470;margin:16px 0 0;line-height:1.75;\"\u003eRunning a diesel 4x2? We hold the gasoline truck both ways but the diesel only in four-wheel drive today — \u003ca href=\"sms:+13074415554?\u0026amp;body=2020%20Chevy%20Silverado%202500%20transmission%20%E2%80%94%20please%20verify%20my%20VIN\" style=\"color:#082e3d;font-weight:700;\"\u003etext us the VIN\u003c\/a\u003e and we will source it rather than sell you the wrong box. Need a different part for the same truck? \u003ca href=\"\/collections\/2020-used-chevy-silverado-2500-engines-for-sale\" style=\"color:#082e3d;font-weight:700;\"\u003e2020 Chevy Silverado 2500 engines\u003c\/a\u003e are stocked separately, or step back up to \u003ca href=\"\/collections\/2020-used-chevy-transmissions-for-sale\" style=\"color:#082e3d;font-weight:700;\"\u003eall 2020 Chevy transmissions\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:32px;\"\u003e\n\u003ch2 class=\"aps-h2\"\u003eWhy Buy a 2020 Chevy Silverado 2500 Transmission from Auto Power Source\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;color:#2a3441;margin:0 0 14px;line-height:1.8;\"\u003eEvery gearbox on this page came out of a low-mileage 2020 Silverado 2500 donor, was logged against that truck's VIN the day it landed, and has waited indoors in a climate-controlled warehouse rather than out in the weather. None has been rebuilt or reshelled — it is original Chevy hardware. Before any unit is listed, our ASE-certified technicians take it through its full gear range and then put it on the road with weight behind it. On a three-quarter-ton truck that last part is not a formality: these transmissions spend their lives towing, and a unit that feels fine empty can still be finished.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;color:#2a3441;margin:0;line-height:1.8;\"\u003eThe Silverado 2500 is the one truck on the 2020 Chevy shelf where the displacement tells you nothing. All three of our units are 6.6L — so a customer who reads the badge, checks the litres and stops there has narrowed three options down to three. The fork that actually matters is fuel: two of these trucks burn gasoline, one burns diesel, and they do not share a gearbox. Then drivetrain splits it again. We hold gasoline in 4x2 and 4x4, and diesel in 4x4 only. \u003ca href=\"sms:+13074415554?\u0026amp;body=2020%20Chevy%20Silverado%202500%20transmission%20%E2%80%94%20please%20verify%20my%20VIN\" style=\"color:#082e3d;font-weight:700;\"\u003eText us the VIN\u003c\/a\u003e and we will tell you exactly which of the three you need — or tell you straight that yours is one we need to source.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-cta-bar\"\u003e\n\u003cspan class=\"aps-cta-bar-text\"\u003e📱 Fastest way to match: text us your VIN, get options in minutes.\u003c\/span\u003e\u003ca href=\"sms:+13074415554?\u0026amp;body=Hi%2C%20I%20need%20a%202020%20Chevy%20Silverado%202500%20Transmission%20quote.%20VIN%3A%20\"\u003eText Your VIN →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:32px;\"\u003e\n\u003ch2 class=\"aps-h2\"\u003eYour 2020 Silverado 2500 Transmission Options: Compared\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;color:#2a3441;margin:0 0 16px;line-height:1.75;\"\u003eWhen the transmission lets go on a 2020 Silverado 2500, there are four ways forward. The honest version:\u003c\/p\u003e\n\u003cdiv class=\"aps-compare-hint\"\u003e← Swipe sideways to see all columns →\u003c\/div\u003e\n\u003cdiv class=\"aps-compare-wrap\"\u003e\u003ctable class=\"aps-compare-table\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#082e3d;color:#fff;\"\u003e\n\u003cth style=\"text-align:left;\"\u003eOption\u003c\/th\u003e\n\u003cth style=\"text-align:center;\"\u003eCost\u003c\/th\u003e\n\u003cth style=\"text-align:center;\"\u003eReliability\u003c\/th\u003e\n\u003cth style=\"text-align:center;\"\u003eWarranty\u003c\/th\u003e\n\u003cth style=\"text-align:center;\"\u003eFitment Match\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom:.5px solid #B5BFC8;background:#ECEEF1;\"\u003e\n\u003ctd style=\"font-weight:700;color:#082e3d;\"\u003eUsed OEM (this collection)\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#082e3d;font-weight:700;\"\u003e$$$ Best Value\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#082e3d;font-weight:700;\"\u003eHigh\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#082e3d;font-weight:700;\"\u003eUp to 3 years\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#082e3d;font-weight:700;\"\u003eVIN-matched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:.5px solid #B5BFC8;\"\u003e\n\u003ctd style=\"font-weight:700;color:#082e3d;\"\u003eNew OEM (dealer)\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003e$$$$$ 2-4× more\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eHigh\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eExact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:.5px solid #B5BFC8;\"\u003e\n\u003ctd style=\"font-weight:700;color:#082e3d;\"\u003eAftermarket \/ Reman\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003e$$$$\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eVaries\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003e6-12 mo\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eMay adapt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight:700;color:#082e3d;\"\u003eJunkyard\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003e$ Cheapest\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eUnknown\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eNone\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eDIY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:14px;color:#5a6470;margin:14px 0 0;font-style:italic;\"\u003eTested used OEM is where the value lands — factory hardware with a real warranty behind it, and none of the dealer markup on a new-in-box unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:32px;background:#ECEEF1;border:.5px solid #B5BFC8;border-left:3px solid #082e3d;border-radius:6px;padding:28px 24px;\"\u003e\n\u003ch2 style=\"font-size:24px;font-weight:700;color:#082e3d;margin:0 0 14px;\"\u003e2020 Silverado 2500 Transmission Buying Guide\u003c\/h2\u003e\n\u003col style=\"font-size:15px;color:#2a3441;margin:0;padding-left:22px;line-height:1.8;\"\u003e\n\u003cli style=\"margin-bottom:10px;\"\u003e\n\u003cstrong style=\"color:#082e3d;\"\u003eSettle fuel before anything else.\u003c\/strong\u003e Gasoline or diesel is the first cut on this truck, and it is the whole ball game. Both of our engines are 6.6L, so litres will not separate them — on most other 2020 Chevys displacement does that job, and here it does not.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:10px;\"\u003e\n\u003cstrong style=\"color:#082e3d;\"\u003eThen settle 4x2 versus 4x4.\u003c\/strong\u003e We stock the gasoline truck both ways and the diesel in four-wheel drive only. A 4x2 and a 4x4 unit differ at the output and the transfer interface — they are different parts however well the engine matches.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:10px;\"\u003e\n\u003cstrong style=\"color:#082e3d;\"\u003eOn the diesel, order off the option code.\u003c\/strong\u003e Our diesel listing carries opt MGM and ID OMKF. Heavy-duty trucks were built to order and the codes are what confirm the match — not the trim, and not the year on the title.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:10px;\"\u003e\n\u003cstrong style=\"color:#082e3d;\"\u003eTake the towing history seriously.\u003c\/strong\u003e Three-quarter-ton trucks earn their living under load, so mileage alone understates the wear. It is the reason we road-test every unit with weight behind it rather than just cycling it on the bench.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:10px;\"\u003e\n\u003cstrong style=\"color:#082e3d;\"\u003eAsk us for the donor VIN.\u003c\/strong\u003e We release it on request for any Silverado 2500 transmission in stock, so you can check the mileage and history yourself rather than taking our word for it.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp style=\"font-size:14px;color:#5a6470;margin:14px 0 0;font-style:italic;\"\u003eOur ASE-certified technicians verify every one of these points against your VIN before any transmission ships.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-cta-bar\"\u003e\n\u003cspan class=\"aps-cta-bar-text\"\u003e📞 Not sure whether your 2500 left the line gasoline or diesel? Talk to our team live, 24h Mon-Sat.\u003c\/span\u003e\u003ca href=\"tel:+18773138995\"\u003eCall 1-877-313-8995\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:32px;\"\u003e\n\u003ch2 class=\"aps-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"display:flex;flex-direction:column;gap:12px;\"\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eWhat is the warranty on a 2020 Silverado 2500 transmission?\u003c\/summary\u003e\u003cdiv\u003eUp to 3 years, depending on the specific unit. The exact term is shown on each product page.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eWhat does shift-tested mean?\u003c\/summary\u003e\u003cdiv\u003eASE-certified technicians run the unit through its full gear range under load and check for slip, flare and harsh engagement before it is cleared for sale.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eHow long until delivery?\u003c\/summary\u003e\u003cdiv\u003ePrep and ship time is \u003cstrong\u003e3-5 business days\u003c\/strong\u003e. Transit time is \u003cstrong\u003e2-3 business days\u003c\/strong\u003e via freight carrier after dispatch.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eCan I see photos before I buy?\u003c\/summary\u003e\u003cdiv\u003eYes. Multi-angle photos of the actual unit are sent before payment.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eDo I need my VIN?\u003c\/summary\u003e\u003cdiv\u003eOn this truck, effectively yes. All three units are 6.6L, so displacement cannot separate them — the VIN is what settles gasoline versus diesel and 4x2 versus 4x4.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eWhat if I do not approve the photos?\u003c\/summary\u003e\u003cdiv\u003eEvery dollar back — no restocking fees, no return freight charges.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eWhy is this cheaper than a dealer replacement?\u003c\/summary\u003e\u003cdiv\u003eIt is used OEM out of a low-mileage donor Silverado 2500 — the same Chevy engineering, minus the new-part markup.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eWhen can I reach customer service?\u003c\/summary\u003e\u003cdiv\u003e24 hours a day, Monday through Saturday.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:8px;\"\u003e\n\u003ch2 class=\"aps-h2\"\u003eRelated Collections\u003c\/h2\u003e\n\u003cdiv class=\"aps-grid-4\"\u003e\n\u003ca href=\"\/collections\/2020-used-chevy-transmissions-for-sale\" class=\"aps-related-link primary\"\u003e← All 2020 Chevy Transmissions\u003c\/a\u003e\n\u003ca href=\"\/collections\/2020-used-chevy-silverado-2500-engines-for-sale\" class=\"aps-related-link secondary\"\u003e2020 Silverado 2500 Engines\u003c\/a\u003e\n\u003ca href=\"\/collections\/used-chevy-transmissions-for-sale\" class=\"aps-related-link secondary\"\u003eAll Chevy Transmissions\u003c\/a\u003e\n\u003ca href=\"\/collections\/used-engines-and-transmissions\" class=\"aps-related-link secondary\"\u003eAll Engines \u0026amp; Transmissions\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-about-block\"\u003e\n\u003cdiv class=\"aps-section\" style=\"background:#C8CFD6;\"\u003e\n\u003cdiv style=\"margin-bottom:24px;background:#082e3d;padding:24px;border-radius:8px;\"\u003e\n\u003cdiv class=\"aps-grid-4\"\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:32px;font-weight:700;color:#fff;letter-spacing:-.5px;\"\u003e46,000+\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px;color:#a8bdc7;text-transform:uppercase;letter-spacing:.7px;margin-top:6px;font-weight:600;\"\u003eengines + transmissions shipped\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:32px;font-weight:700;color:#fff;letter-spacing:-.5px;\"\u003e0%\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px;color:#a8bdc7;text-transform:uppercase;letter-spacing:.7px;margin-top:6px;font-weight:600;\"\u003efitment-related returns\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:32px;font-weight:700;color:#fff;letter-spacing:-.5px;\"\u003eAll 50\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px;color:#a8bdc7;text-transform:uppercase;letter-spacing:.7px;margin-top:6px;font-weight:600;\"\u003estates covered, free freight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:21px;font-weight:700;color:#fff;line-height:1.35;\"\u003eExcellent\u003cbr\u003eCustomer Reviews\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px;color:#a8bdc7;text-transform:uppercase;letter-spacing:.7px;margin-top:6px;font-weight:600;\"\u003erated on Trustpilot\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:24px;background:#fff;padding:28px 24px;border-radius:8px;border:.5px solid #B5BFC8;\"\u003e\n\u003ch2 style=\"font-size:28px;font-weight:700;color:#082e3d;margin:0 0 16px;border-bottom:2px solid #082e3d;padding-bottom:8px;display:inline-block;\"\u003eOur 6-Step Inspection \u0026amp; Shipping Process\u003c\/h2\u003e\n\u003cp style=\"font-size:15px;margin:0 0 18px;color:#2a3441;line-height:1.75;\"\u003eNo 2020 Silverado 2500 transmission is offered for sale until it has cleared all six:\u003c\/p\u003e\n\u003cdiv class=\"aps-grid-6\"\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e1. VIN-Matching\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eWe read your VIN to settle the two facts that decide this truck: whether it burns gasoline or diesel, and whether it drives two wheels or four.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e2. Tested \u0026amp; Verified\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eASE-certified technicians shift-test the unit through its full gear range, watching for slip, flare and harsh engagement.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e3. Shift \u0026amp; Road Verification\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eDriven with weight behind it. On a three-quarter-ton truck this step earns its keep — a tired converter will idle quietly all day and only confess under load.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e4. Visual Inspection\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eCase, bellhousing, pan, cooler lines, harness connectors and every mounting point go under the light.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e5. Photograph \u0026amp; Catalog\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eMulti-angle photos reach your inbox BEFORE the freight is booked. Your approval is what moves the pallet.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e6. Palletize \u0026amp; Ship\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eStrapped to a heavy-duty wooden pallet and freighted to your door at no charge.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:0;\"\u003e\n\u003ch2 style=\"font-size:28px;font-weight:700;color:#082e3d;margin:0 0 12px;border-bottom:2px solid #082e3d;padding-bottom:8px;display:inline-block;\"\u003eWhat Our Customers Say\u003c\/h2\u003e\n\u003cp style=\"font-size:15px;color:#5a6470;margin:0 0 16px;\"\u003e\u003cstrong style=\"color:#082e3d;\"\u003eRated Excellent by our customers on \u003ca href=\"https:\/\/www.trustpilot.com\/review\/autopowersource.com\" target=\"_blank\" rel=\"noopener\" style=\"color:#082e3d!important;\"\u003eTrustpilot\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv class=\"aps-grid-4\"\u003e\n\u003cdiv style=\"background:#fff;border:.5px solid #B5BFC8;border-radius:8px;padding:18px;border-top:3px solid #082e3d;\"\u003e\n\u003cdiv style=\"color:#a17a1a;font-size:14px;margin-bottom:8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#082e3d;font-size:17px;margin-bottom:6px;\"\u003eTransaction was perfect\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;color:#2a3441;line-height:1.7;\"\u003e\"Found me the right engine at a great price. Got it in 2 days and installed the car the next day. Runs absolutely beautiful.\"\u003c\/div\u003e\n\u003cdiv style=\"margin-top:10px;font-size:12px;color:#5a6470;\"\u003e— Kevin Graham, 2026-04-29\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border:.5px solid #B5BFC8;border-radius:8px;padding:18px;border-top:3px solid #082e3d;\"\u003e\n\u003cdiv style=\"color:#a17a1a;font-size:14px;margin-bottom:8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#082e3d;font-size:17px;margin-bottom:6px;\"\u003eRepeat customer\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;color:#2a3441;line-height:1.7;\"\u003e\"AutoPowerSource is a great company. I've used them several times for used motors. Low mileage when other companies gave up.\"\u003c\/div\u003e\n\u003cdiv style=\"margin-top:10px;font-size:12px;color:#5a6470;\"\u003e— Curtis Haines, 2025-12-23\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border:.5px solid #B5BFC8;border-radius:8px;padding:18px;border-top:3px solid #082e3d;\"\u003e\n\u003cdiv style=\"color:#a17a1a;font-size:14px;margin-bottom:8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#082e3d;font-size:17px;margin-bottom:6px;\"\u003eHighly recommend Mike\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;color:#2a3441;line-height:1.7;\"\u003e\"Mike reached out first thing in the morning regarding my inquiry for a used engine. Very informative and helpful.\"\u003c\/div\u003e\n\u003cdiv style=\"margin-top:10px;font-size:12px;color:#5a6470;\"\u003e— Beatrice, 2026-03-31\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border:.5px solid #B5BFC8;border-radius:8px;padding:18px;border-top:3px solid #082e3d;\"\u003e\n\u003cdiv style=\"color:#a17a1a;font-size:14px;margin-bottom:8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#082e3d;font-size:17px;margin-bottom:6px;\"\u003eGreat experience\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;color:#2a3441;line-height:1.7;\"\u003e\"Daisy kept me in the loop every step. My original engine was damaged before shipping; she found a different one quickly.\"\u003c\/div\u003e\n\u003cdiv style=\"margin-top:10px;font-size:12px;color:#5a6470;\"\u003e— Bryan Perkins, 2026-03-25\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#082e3d;color:#fff;padding:28px 32px;\"\u003e\n\u003ch2 style=\"font-size:28px;font-weight:700;color:#fff;margin:0 0 14px;\"\u003eOur Photos-Before-Shipment Guarantee\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;margin:0 0 16px;color:#d4e1e8;line-height:1.8;max-width:820px;\"\u003eBefore any 2020 Silverado 2500 transmission leaves our warehouse, we send you multi-angle photographs. You approve. If you do not approve, you get every dollar back — no questions, no restocking fees, no return freight charges. That sits on top of 30-day money-back and up to a 3-year warranty.\u003c\/p\u003e\n\u003ca href=\"mailto:info@autopowersource.com?subject=2020%20Chevy%20Silverado%202500%20Transmission%20Inquiry\" style=\"display:inline-block;background:#fff;color:#082e3d!important;padding:13px 26px;border-radius:6px;font-weight:700;font-size:15px;text-decoration:none;\"\u003e✉ Email Us at info@autopowersource.com\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"2020-chevy-truck-silverado-2500-1999-up-used-transmission-at-6-6l-gasoline-4x4-3","title":"2020 Chevy Truck-Silverado 2500 (1999 Up) Used Transmission (AT, 6.6L), gasoline, 4x4","description":"\u003cp\u003eThe \u003cstrong\u003e2020 Chevy Truck-Silverado 2500 (1999 Up) Used Transmission (AT, 6.6L), gasoline, 4x4\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 2020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Chevrolet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Silverado 2500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 6.6L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 4x4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission Type:\u003c\/strong\u003e Automatic\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used transmission fits the 2020 Chevrolet Silverado 2500 with the 6.6L Gasoline engine. Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used transmission, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chevrolet","offers":[{"title":"Tested and complete \/ 93,792 miles driven \/ 6 Months warranty","offer_id":45998610972845,"sku":"APST_4010","price":3562.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/chevy-6l80-transmission-tested-certified.png?v=1780393068"},{"product_id":"2020-chevy-truck-silverado-2500-1999-up-used-transmission-at-6-6l-gasoline-4x2-3","title":"2020 Chevy Truck-Silverado 2500 (1999 Up) Used Transmission (AT, 6.6L), gasoline, 4x2","description":"\u003cp\u003eThe \u003cstrong\u003e2020 Chevy Truck-Silverado 2500 (1999 Up) Used Transmission (AT, 6.6L), gasoline, 4x2\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 2020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Chevrolet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Silverado 2500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 6.6L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 4x2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission Type:\u003c\/strong\u003e Automatic\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used transmission fits the 2020 Chevrolet Silverado 2500 with the 6.6L Gasoline engine. 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