46
verified 2013 gmc engines
2013 Used GMC Engines For Sale
46 verified 2013 GMC engines in stock — Sierra 1500 (4.3L LU3, 4.8L L20, 5.3L LC9/LMG, 6.0L Hybrid, 6.2L L9H — the final GMT900 year), Sierra HD 2500/3500 (6.0L L96 gas, 6.6L LML Duramax), Yukon & Yukon XL, Terrain, Acadia, Suburban, and Savana vans. VIN-matched to your vehicle, compression-tested by ASE-certified technicians, photographed before shipment, 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 2013 GMC Engines by Model
Pick your 2013 GMC model to see exact fitments in stock. Not sure which engine code or VIN 8th-digit fits? Text us your VIN and a specialist confirms the match.
2013 Sierra 1500
4.3L LU3 (VIN X), 4.8L L20 (VIN A), 5.3L LC9 (VIN 7) / LMG (VIN 0), 6.0L Hybrid LZ1 (VIN J), 6.2L L9H (VIN 2), plus 5.3L CNG/LPG (opt LFT). The final GMT900 half-ton year before the 2014 K2XX redesign.
2013 Sierra Denali 1500
6.2L L9H (VIN 2) — the top-trim half-ton small block. Confirm the VIN 8th digit before ordering.
2013 Sierra HD 2500 / 3500
6.0L L96 gas (VIN G) and 6.6L LML Duramax turbodiesel (VIN 8), including Sierra Denali HD. Match gas vs diesel and cab/chassis before buying.
2013 Yukon & Yukon XL
5.3L LMG (VIN 0) / LC9 (VIN 7), 6.2L L94 (VIN F), 6.0L Hybrid LZ1 (VIN J), and XL 2500 6.0L L96 (VIN G). Final GMT900 full-size SUV year.
2013 Terrain
2.4L LEA (VIN K) in Federal (opt NT7) and California (opt NU5/NU6) emissions families, plus 3.6L LFX (VIN 3) V6. Confirm the emissions option.
2013 Acadia
3.6L LLT (VIN D) — the first-generation Lambda V6 crossover engine, tested and warrantied.
2013 Suburban
1500 5.3L LMG (VIN 0) / LC9 (VIN 7) and 2500 6.0L L96 (VIN G). Match half-ton vs three-quarter-ton before ordering.
2013 Savana Van
1500 4.3L LU3 (VIN X) / 5.3L LMF (VIN 4); 2500–3500 4.8L L20 (VIN A), 6.0L L96 gas (VIN G), 6.6L LGH Duramax diesel (VIN L), plus 6.0L CNG/LPG (opt LC8). Cutaway and regular-van bodies.
Why Buy a 2013 GMC Engine from Auto Power Source
Every 2013 GMC engine in our inventory is pulled from a low-mileage donor vehicle, cataloged by VIN, and held in our climate-controlled warehouse pending sale. Each unit goes through our six-step inspection — VIN-matching, ASE 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 2013 GMC engine is cleared for sale. The 2013 model year is the final GMT900 platform run for the Sierra 1500, Yukon, and Suburban, so verifying the VIN 8th-digit engine code matters — a 5.3L LC9 and a 5.3L LMG are not the same calibration. You pay a fraction of dealer-new pricing for identical GM 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 which 2013 variant fits? Text your VIN and we will confirm.
📱 Fastest way to match: text us your VIN, get options in minutes.Text Your VIN →
Your 2013 GMC Engine Options: Compared
Most 2013 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) |
$$$ Best Value |
High |
Up to 3 years |
VIN-matched |
| New OEM (dealer) |
$$$$$ 2-4× more |
High |
Manufacturer |
Exact |
| Aftermarket / Reman |
$$$$ |
Varies |
6-12 mo |
May adapt |
| Junkyard |
$ Cheapest |
Unknown |
None |
DIY |
Tested used OEM hits the sweet spot — same GM engineering as new, fraction of the cost.
2013 GMC Engine Buying Guide
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Confirm the 8th-digit VIN engine code. 2013 GMC trucks share displacements across very different engines — a 5.3L can be an LC9 (VIN 7) or an LMG (VIN 0), and a 6.0L can be an L96 gas, an LZ1 hybrid, or an LC8 CNG/LPG unit.
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Match gas vs diesel on HD trucks. The Sierra 2500/3500 ships with a 6.0L L96 gasoline or a 6.6L LML Duramax turbodiesel — completely different engines and mounts.
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Check the Terrain emissions option. The 2.4L LEA comes in Federal (opt NT7) and California (opt NU5/NU6) calibrations; ordering the wrong one can fail an emissions test.
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Note hybrid and alt-fuel units. The 6.0L LZ1 two-mode hybrid (Yukon/Sierra/Suburban) and the CNG/LPG LC8/LFT Savana and Sierra engines are distinct from standard gasoline blocks.
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Always run the donor VIN if available. We provide it on request for any engine in our inventory to verify mileage and history.
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 2013 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.
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. 2013 GMC engines vary by engine code, drivetrain, emissions option, and fuel type — the VIN 8th digit pins down the exact unit.
What if I do not approve the photos?
Every dollar back — no restocking fees, no return freight charges.
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 2013 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, 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, sensor harnesses, turbos on Duramax units.
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 2013 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
