113
verified 2000 gmc engines
2000 Used GMC Engines For Sale
113 verified 2000 GMC engines in stock, spanning the 1999-Up GMT800 Sierra and Yukon 1500/2500 small-blocks (4.3L V6, 4.8L & 5.3L Vortec, 6.0L Vortec) alongside the classic GMT400 2500/3500 heavy-duty units (5.0L, 5.7L, 7.4L Vortec 7400 big-block and the 6.5L turbo-diesel), plus Savana vans, Suburban/Yukon XL, and the S-10/Sonoma/Jimmy compacts. Every unit is VIN-matched to your truck, compression-tested by ASE-certified technicians, photographed before shipment, and backed by up to a 3-year warranty plus 30-day money-back. Free freight nationwide.
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Compression-Tested & Verified
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Free Nationwide Shipping
Browse 2000 GMC Engines by Model
2000 was a split year for GMC trucks — the new GMT800 Sierra and Yukon 1500/2500 ran alongside the outgoing GMT400 "classic" 2500/3500 heavy-duty trucks. Pick your model below to see the fitments in stock. Not sure which Vortec code fits? Text us your VIN and a specialist confirms the 8th-digit match.
2000 Sierra 1500 (1999 Up)
New-body GMT800 half-ton: 4.3L V6 (VIN W), 4.8L Vortec LR4 (VIN V, MT & AT), and 5.3L Vortec LM7 (VIN T). VIN-matched and compression-tested.
2000 Sierra 2500 (1999 Up)
New-body 3/4-ton: 5.3L Vortec (VIN T) and 6.0L Vortec LQ4 (VIN U, 8-364). Confirm light-duty vs heavy-duty 2500 before ordering.
2000 Classic 2500/3500 (2000–2001 Down)
Outgoing GMT400 heavy-duty: 5.0L (VIN M), 5.7L (VIN R) gas, 7.4L Vortec 7400 (VIN J) big-block, and the 6.5L turbo-diesel (VIN F). No Duramax yet in 2000.
2000 Yukon & Yukon XL
Yukon (except XL) 4.8L (VIN V), 5.3L (VIN T), 5.7L (VIN R). First-year Yukon XL1500 5.3L (VIN T) and XL2500 6.0L (VIN U).
2000 Suburban 1500/2500
Suburban 1500 (2001 Down) 5.3L Vortec (VIN T) and Suburban 2500 (1967 Up) 6.0L Vortec (VIN U). Match GVWR class before you buy.
2000 Savana Van 1500/2500/3500
Full-size van: 4.3L (VIN W), 5.0L (VIN M), 5.7L (VIN R) gas & CNG, 7.4L (VIN J) big-block, and 6.5L turbo-diesel (VIN F). Wide spread — VIN confirms it.
2000 S-10 / S-15 / Sonoma
Compact pickup: 4.3L V6 (VIN W) plus the 2.2L four (VIN 5 and VIN 4). The four-cylinder VIN codes are not interchangeable.
2000 Jimmy, Safari & Envoy
Compact Jimmy / S10-S15, Safari van, and the top-trim Envoy all run the 4.3L Vortec V6 (VIN W, 6-262). Tested and warrantied.
Why Buy a 2000 GMC Engine from Auto Power Source
Every 2000 GMC engine in our inventory is pulled from a low-mileage donor truck, cataloged by VIN, and held in our climate-controlled warehouse pending sale. Because 2000 straddles the GMT400-to-GMT800 changeover, fitment is the whole game — a "classic" 2500 long-block and a new-body 2500 share a displacement but not the block, accessories, or mounts. Each unit goes through our six-step inspection: VIN-matching, ASE compression testing, noise & smoke verification, full visual inspection, multi-angle photography, and palletized shipping.
Our ASE-certified technicians compression-test every cylinder and run a leak-down evaluation before any 2000 GMC engine is cleared for sale — that matters on the high-mileage 5.7L Vortec and 6.5L diesel HD units. You pay a fraction of dealer-reman pricing for the same Vortec engineering, ship free on a heavy-duty pallet anywhere in the continental U.S., and get up to a 3-year warranty plus 30-day money-back. Not sure whether your truck is a 1999-Up or a 2001-Down chassis? Text your VIN and we will confirm.
📱 Fastest way to match: text us your VIN, get options in minutes.Text Your VIN →
Your 2000 GMC Engine Options: Compared
Most 2000 GMC owners face four real choices when their engine fails:
← Swipe sideways to see all columns →
| Option |
Cost |
Reliability |
Warranty |
Fitment Match |
| Used OEM (this collection) |
$$$ Best Value |
High |
Up to 3 years |
VIN-matched |
| New OEM (dealer) |
$$$$$ rarely stocked |
High |
Manufacturer |
Exact |
| Aftermarket / Reman |
$$$$ |
Varies |
6-12 mo |
May adapt |
| Junkyard |
$ Cheapest |
Unknown |
None |
DIY |
Tested used OEM hits the sweet spot — same Vortec engineering as the factory unit, at a fraction of the cost, and getting a brand-new long-block for a 2000 truck is no longer realistic.
2000 GMC Engine Buying Guide
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Read the 8th-digit VIN code. On a 2000 GMC the 8th digit is the engine ID — W=4.3L, V=4.8L, T=5.3L, U=6.0L, M=5.0L, R=5.7L, J=7.4L, F=6.5L turbo-diesel. Same liters can be a different engine.
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Identify classic vs new body. 1500 and light 2500 trucks moved to GMT800 ("1999 Up"); the HD 2500/3500 still shipped as the old GMT400 ("2000 Down" / "2001 Down"). The blocks are not interchangeable across that split.
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Match gas vs diesel and big-block. The 6.5L turbo-diesel (VIN F) and 7.4L Vortec 7400 (VIN J) are HD-only and share nothing with the small-block V8s. Confirm before ordering.
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Watch for CNG and gasoline 5.7L. Several 2000 Savana and 2500 units came as 5.7L CNG (VIN R) — these are emissions-specific and distinct from the gasoline 5.7L.
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Always run the donor VIN if available. We provide it on request for any engine in our inventory so you can verify mileage and history before it ships.
Our ASE-certified technicians verify every one of these points against your VIN before any engine ships.
Frequently Asked Questions
What is the warranty on a 2000 GMC engine?
Up to 3 years, depending on the specific unit. The exact warranty term is listed on each product page.
What does compression-tested mean?
ASE-certified technicians compression-test every cylinder and run a leak-down evaluation before the engine is cleared for sale — a real check on these high-mileage Vortec and 6.5L diesel units.
How long until delivery?
Prep and ship time is 3-5 business days. Transit time is 2-3 business days via freight carrier after dispatch.
Can I see photos before I buy?
Yes. Multi-angle photos of the actual unit are sent before payment.
Do I need my VIN?
Strongly recommended. 2000 GMC engines vary by 8th-digit code, classic vs new body, and gas/diesel/CNG configuration.
What if I do not approve the photos?
Every dollar back — no restocking fees, no return freight charges.
Why is a used OEM engine cheaper than the dealer?
You are buying a VIN-matched, tested donor engine instead of a remanufactured or new long-block, so you skip the dealer markup while keeping factory Vortec engineering.
When can I reach customer service?
Our team is available 24 hours a day, Monday through Saturday, by phone at 1-877-313-8995 or by text.
46,000+
engines + transmissions shipped
0%
fitment-related returns
All 50
states covered, free freight
Excellent
Customer Reviews
rated on Trustpilot
Our 6-Step Inspection & Shipping Process
Every 2000 GMC engine we ship has been through these six steps:
1. VIN-MatchingWe match the donor VIN to your VIN to confirm engine code, emissions calibration, classic-vs-new body, and drivetrain fit.
2. Tested & VerifiedASE-certified technicians compression-test every cylinder and run a leak-down evaluation on each engine.
3. Noise & Smoke VerificationUnits are run to verify normal mechanical sound and clean operation — catches wear static tests miss.
4. Visual InspectionEvery accessible component is inspected: manifolds, valve covers, accessories, injection pump on diesels, sensor harnesses.
5. Photograph & CatalogMulti-angle photos sent to you BEFORE we ship, for your approval.
6. Palletize & ShipStrapped on a heavy-duty wooden pallet, shipped via freight at no charge.
What Our Customers Say
Rated Excellent by our customers on Trustpilot.
★★★★★
Transaction was perfect
"Found me the right engine at a great price. Got it in 2 days and installed the car the next day. Runs absolutely beautiful."
— Kevin Graham, 2026-04-29
★★★★★
Repeat customer
"AutoPowerSource is a great company. I've used them several times for used motors. Low mileage when other companies gave up."
— Curtis Haines, 2025-12-23
★★★★★
Highly recommend Mike
"Mike reached out first thing in the morning regarding my inquiry for a used engine. Very informative and helpful."
— Beatrice, 2026-03-31
★★★★★
Great experience
"Daisy kept me in the loop every step. My original engine was damaged before shipping; she found a different one quickly."
— Bryan Perkins, 2026-03-25
Our Photos-Before-Shipment Guarantee
Before any 2000 GMC engine 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. On top of 30-day money-back and up to a 3-year warranty.
✉ Email Us at info@autopowersource.com
