2018 Used Chevy Engines For Sale

61
verified 2018 Chevy engines
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Up to 3 yrs
extended warranty available
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shipment

2018 Used Chevy Engines For Sale

61 verified used 2018 Chevy engines in stock across 18 models — the 6.0L L96 Vortec V8 in the HD trucks and Express vans, the 5.3L L83 and 6.2L L86 EcoTec3 V8s, the LT1 and supercharged LT4 in Camaro and Corvette, the 6.6L L5P and 2.8L LWN Duramax diesels, the 2.0L LTG turbo four and the 1.6L LH7 diesel. Every unit is VIN-matched, compression-tested by ASE-certified technicians, photographed before shipment, and warranty-backed with 30-day money-back. Free freight nationwide.

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Warranty On Every Unit
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Photos Before Shipment
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ASE-Tested & Verified
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Free Nationwide Shipping
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30-Day Money-Back
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Secure SSL Checkout

2018 Chevy Engine Families

Which engine sits under which 2018 Chevy, and how many of each we hold today.

Engine family Fits (2018) In stock
6.0L Vortec V8 — L96 / LC8 Silverado 2500 HD and 3500 HD, Suburban 3500, Express 2500 and 3500 — L96 gasoline, plus LC8 CNG and LPG vans 12
6.2L LT1 / LT4 Small Block V8 Corvette Base, Z51 and Grand Sport and Camaro SS (LT1); Camaro ZL1 supercharged (LT4) 5
2.0L LTG Turbo Four Camaro, Malibu, Traverse and Equinox FWD and AWD 5
5.3L EcoTec3 V8 — L83 / L8B Silverado 1500, Tahoe and Suburban 1500 (L83); Silverado 1500 fleet (L8B) 4
1.6L LH7 Turbo-Diesel Four Cruze Diesel manual and automatic; Equinox Diesel FWD and AWD 4
4.3L EcoTec3 V6 — LV3 / LV1 Silverado 1500 (LV3); Express 2500 and 3500 (LV1) 3
3.6L LGX / LGZ V6 Camaro with and without KC4 engine cooling (LGX); Colorado (LGZ) 3
2.8L Duramax Turbo-Diesel Four — LWN Colorado; Express 2500 and 3500 3
2.5L LCV Ecotec Four Colorado 4x2 and 4x4; Impala 3
1.5L LFV / LYX Turbo Four Malibu (LFV); Equinox FWD and AWD (LYX) 3
1.4L LUV / LE2 Turbo Four Trax and Sonic (LUV); Cruze gasoline (LE2) 3
1.8L LUW / LWE Ecotec Four Sonic automatic and manual 3
6.2L L86 EcoTec3 V8 Silverado 1500 and Tahoe 2
6.6L L5P Duramax Turbo-Diesel V8 Silverado 2500 HD and 3500 HD 2
3.6L LFY / LFX V6 Traverse (LFY); Impala (LFX) 2
1.8L LKN Hybrid Four Malibu Hybrid 1
1.5L L3A Range-Extender Four Volt 1
1.4L LV7 Ecotec Four Spark 1
2.0L L0A Four City Express (Nissan-built van) 1
Total 61

Other Chevy Model Years

Every model year we hold Chevy engines for. Years without a link are in stock but have no year page yet — text us your VIN.

2024202320222021202020192018
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Why Buy a 2018 Chevy Engine from Auto Power Source

2018 is the last model year before Chevrolet redesigned the Silverado 1500, so the K2XX truck runs its final season with four distinct engines — the 4.3L LV3 V6, the 5.3L L83, the fleet-only 5.3L L8B and the 6.2L L86. The 2500 HD and 3500 HD carry the 6.0L L96 gasoline V8 or the 6.6L L5P Duramax, and our listings spell the HD trucks three different ways (Truck-Silverado 2500, Silverado 2500 HD and the range-token form) for the same hardware. Displacement alone will not identify a 2018 Chevy engine: Chevrolet names it with a GM RPO option code, and the 8th VIN digit confirms it.

2018 is also the widest diesel year in the Chevy car line. The 1.6L LH7 turbo-diesel appears in the Cruze as a manual or an automatic and in the Equinox as FWD or AWD, while the 2.8L LWN Duramax four runs in both the Colorado and the Express vans and the 6.6L L5P stays truck-only. On the gasoline side the 2.0L LTG turbo spans Camaro, Malibu, Traverse and Equinox, the Equinox alone offers 1.5L LYX, 1.6L LH7 and 2.0L LTG each in FWD and AWD, and the Express 2500 and 3500 add 6.0L LC8 engines prepared for CNG and LPG. The Camaro 3.6L LGX is listed with and without the KC4 cooling package, the Camaro 6.2L as LT1 or supercharged LT4, and the Corvette as Base, Z51 or Grand Sport with the Z52 dry-sump system.

Every 2018 Chevy engine we sell has been pulled from a low-mileage donor vehicle, cataloged by VIN and held in our climate-controlled warehouse. Each unit goes through our six-step inspection — VIN-matching against your vehicle, compression testing on every cylinder with a leak-down evaluation, noise and smoke verification, visual inspection, multi-angle photography for your approval, and palletized freight. You pay a fraction of dealer-new pricing for the same GM engineering, ship free anywhere in the continental U.S., and have 30 days to return for any reason.

📱 Fastest way to match: text us your VIN, get options in minutes.Text Your VIN →

Your 2018 Chevy Engine Options: Compared

Most 2018 Chevy owners face four real choices when the engine fails:

← Swipe sideways to see all columns →
Option Cost Reliability Warranty Fitment Match
Used OEM (this collection) $$$ Best Value High — tested Included VIN-matched
New OEM (dealer) $$$$$ 2-4× more High Manufacturer Exact
Aftermarket / Reman $$$$ Varies 6-12 mo May adapt
Junkyard $ Cheapest Unknown None DIY

Tested used OEM hits the sweet spot — same engineering as new, fraction of the cost.

2018 Chevy Engine Buying Guide

5 things to verify before buying a used 2018 Chevy engine:

  1. Read the RPO code, not just the displacement. A 2018 Chevy engine is identified by displacement, the 8th VIN digit and a GM RPO code together. The 5.3L is opt L83 (VIN C) or the fleet L8B (VIN R); the 6.2L is L86 in the truck and SUV but LT1 or supercharged LT4 in the Camaro and Corvette; the 1.4L is LUV in the Trax and Sonic but LE2 in the Cruze and LV7 in the Spark. Two listings of the same size are routinely different engines.
  2. On the HD trucks, read past the naming. Our 2018 2500 HD and 3500 HD listings appear as Truck-Silverado 2500/3500, as Silverado 2500 HD/3500 HD and with a range token such as (1999 Up) or (2001 Up). They are the same hardware — the 6.0L L96 gasoline V8 (VIN G) or the 6.6L L5P Duramax (VIN Y). Pick by RPO code, not by how the title is worded.
  3. Separate the two Duramax diesels and the car diesel. 2018 holds three unrelated diesels: the 6.6L L5P V8 (VIN Y) in the 2500/3500, the 2.8L LWN four (VIN 1) in the Colorado and the Express vans, and the 1.6L LH7 four (VIN E) in the Cruze and Equinox. None of the three interchanges.
  4. Check drivetrain, cooling and fuel options. The Equinox is listed as FWD or AWD at 1.5L, 1.6L and 2.0L; the Colorado 2.5L LCV as 4x2 or 4x4; the Camaro 3.6L LGX with and without opt KC4 cooling; the Corvette with the opt Z52 dry-sump system on Z51 and Grand Sport; and the Express 6.0L as L96 gasoline or LC8 prepared for CNG or LPG. These change the mounts, oil pan and accessories supplied.
  5. Confirm the match with your own VIN before you order. Your VIN settles the RPO code, body style and drivetrain in one step. Text it to +1-307-441-5554 and we will confirm in writing which unit fits your vehicle before you pay.

Our ASE-certified technicians verify every one of these points against your VIN before any unit ships.

📞 Need help choosing the right 2018 Chevy engine? Talk to our team live.Call 1-877-313-8995

Frequently Asked Questions

What is the warranty on a used 2018 Chevy engine?
Every 2018 Chevy engine ships with a warranty — 6 months standard on 2001-and-newer years, printed on each product page. Extended coverage up to 3 years available at checkout.
What does ASE-tested mean?
ASE-certified technicians compression-test every cylinder, run a leak-down evaluation, verify noise and smoke, and photograph it before shipment.
How long until delivery?
Prep and ship is 3-5 business days, transit 2-3 business days after dispatch by freight; typically 5-8 business days door to door.
Can I see photos before I buy?
Multi-angle photos of the actual unit are sent before payment. If you do not approve them you get every dollar back, with no restocking or freight fees.
Do I need my VIN?
Yes for 2018. Chevy identifies an engine by displacement, the 8th VIN digit and a GM RPO code, and 2018 runs four engines in the Silverado 1500 and three in the Equinox alone. Text your VIN to +1-307-441-5554 to confirm the RPO code.
Which 2018 Chevy models do you stock?
Silverado 1500, Silverado 2500 HD and 3500 HD, Express 2500 and 3500, Colorado, Tahoe, Suburban, Traverse, Equinox, Malibu, Impala, Cruze, Sonic, Trax, Spark, Camaro, Corvette, Volt and City Express — live counts above.
Why cheaper than dealer new?
Used OEM from low-mileage donor vehicles — the same GM engineering as factory new, typically 2-4x cheaper than a dealer.
When can I reach customer service?
Call 1-877-313-8995, text +1-307-441-5554, or email info@autopowersource.com any time; hours are in the site footer.
🏆 Earn $500 with Our Rewards Program
Every Chevy engine you buy earns rewards. 10 orders (yours or referred) = $500 cash credit. Silver, Gold, and Platinum tiers with discounts, priority support, and private inventory access.
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100K+
Engines+Transmissions In Stock
0%
fitment-related returns
All 50
states covered, free freight
36
brands covered

Our 6-Step Inspection & Shipping Process

Every 2018 Chevy engine we ship has been through these six steps:

1. VIN-Matching
We match the donor VIN to your VIN to confirm engine/transmission code, emissions calibration, and drivetrain fit.
2. Tested & Verified
ASE-certified technicians compression-test every cylinder and run leak-down evaluation on engines. Transmissions are Shift-Tested through all gears.
3. Noise & Smoke Verification
Units are run to verify normal mechanical sound and clean operation — catches internal wear static tests miss.
4. Visual Inspection
Every accessible component is inspected: turbos, manifolds, valve covers, housings, accessories, sensor harnesses.
5. Photograph & Catalog
Multi-angle photos sent to you BEFORE we ship for your approval.
6. Palletize & Ship
Strapped on a heavy-duty wooden pallet, shipped via freight at no charge.

Our Photos-Before-Shipment Guarantee

Before any 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 the warranty included with every unit. Browse all 61 2018 Chevy engines below.

✉ Email Us at info@autopowersource.com
No match? Text VIN →