FIND THE RIGHT REPLACEMENT OEM ENGINE
GM Genuine Parts provides authentic OEM replacement engines for Chevrolet, GMC, Buick, and Cadillac vehicles. Whether your ride relies on an efficient EcoTec®, a heavy-duty Duramax diesel or an LT-Series performance engine, every factory-backed powertrain is built to exact original specifications and includes a
Explore the engine families below to find the right replacement engine for your vehicle, driving needs, and performance goals.
EcoTec® & E-Turbo Family
Best for: Daily driving, fuel efficiency and modern passenger vehicles.
FUEL:
Gasoline
CONFIGURATION:
Inline-4
DISPLACEMENT OPTIONS:
1.4L Turbo, 1.5L Turbo, 2.0L Turbo, 2.4L, 2.5L, 2.7L TurboMax®
PRODUCTION VEHICLES:
Chevrolet: Blazer, Colorado, Cruze, Equinox, Malibu, Silverado 1500, Trax
GMC: Canyon, Sierra 1500, Terrain
Buick: Encore, Encore GX, Envision, Envista
Cadillac: ATS, CT4, CT5, XT4, XT5
EcoTec3® Family
Best for: Trucks and SUVs requiring towing capability, payload capacity and dependable everyday performance.
FUEL:
Gasoline
CONFIGURATION:
Naturally Aspirated V-6 & V-8
DISPLACEMENT OPTIONS:
4.3L V-6 (LV3), 5.3L V-8 (L83, L84), 6.2L V-8 (L86, L87), 6.6L Gas V-8 (L8T)
PRODUCTION VEHICLES:
Chevrolet: Express, Silverado 1500, Silverado HD, Suburban, Tahoe
GMC: Savana, Sierra 1500, Sierra HD, Yukon
Cadillac: Escalade
LT-Series (Performance)
Best for: Drivers seeking increased horsepower, track-inspired performance and V8 power.
FUEL:
Gasoline
CONFIGURATION:
Direct Injection Small-Block V-8
DISPLACEMENT OPTIONS:
6.2L LT1, 6.2 LT2; Supercharged 6.2L LT4, 5.5L LT6; Twin-Turbo 5.5L LT7
PRODUCTION VEHICLES:
Chevrolet: Camaro SS, Camaro ZL1, Corvette E-Ray, Corvette Stingray, Corvette Z06, Corvette ZR1
Cadillac: T5-V Blackwing, CTS-V
Duramax® Family
Best for: Heavy-duty towing, hauling, and commercial use where diesel torque and durability are priorities.
FUEL:
Diesel
CONFIGURATION:
Inline-4, Inline-6 and V-8
DISPLACEMENT OPTIONS:
2.0L, 2.8L, 3.0L Inline-6 (LZ0), 6.6L V8 (L5P, L5D, LML, LMM, LBZ)​
PRODUCTION VEHICLES:
Chevrolet: Colorado, Express, Silverado 1500, Silverado HD, Suburban, Tahoe
GMC: Canyon, Savana, Sierra 1500, Sierra HD, Yukon
Cadillac: Escalade
LOOKING FOR RACING &
PERFORMANCE ENGINES?
Chevrolet Performance offers crate engines and performance powertrain solutions designed for restoration projects, custom builds, racing applications and vehicle upgrades. Explore the full lineup of LS, LT, Big-Block, and Small-Block crate engines on the Chevrolet Performance website.
ENGINE BUILD OPTIONS
NEW OEM REPLACEMENT ENGINES
Find the right OEM replacement engine for your Chevrolet, Buick, GMC or Cadillac vehicle — straight from the source.
REMANUFACTURED ENGINES
GM Genuine Parts Remanufactured Engines come backed by GM’s 3-year/100,000 mile Limited Powertrain
- 100% dynamic dyno tested
- Verified for compression balance and timing
- 100% brand new cylinder head castings
ENGINE COMPONENTS
Don’t take shortcuts — because that engine never will. Choose the right engine and engine components designed for your Chevrolet, Buick, GMC or Cadillac vehicle.
POWERTRAIN LIMITED WARRANTIES
Most GM Original Equipment by GM Genuine Parts and ACDelco come backed by one of GM’s warranties for streamlined
REMANUFACTURED ENGINE
36 months
or
100,000
ENGINE COMPONENTS
24 months
or
Unlimited
NEW CRATE ENGINE
24 months
or
50,000
ENGINE SPOTLIGHT
GM GENUINE PARTS L5P DURAMAX​® (REMANUFACTURED)
6.6L V8 Turbo Diesel
HORSEPOWER: 470 HP @ 5,400 RPM
TORQUE: 975 lb. ft. @ 1,600 RPM
- 100% brand new cylinder head castings
- 100% spin tested
- No per-claim warranty payout cap
RELATED PARTS AND COMPONENTS
Help secure the engine and engine parts with GM OE Engine Brackets and Mounting Components.
Help preserve fuel economy and drive quality with GM OE Camshafts and related components.
Help keep the engine safe by removing exhaust with GM OE Exhaust Manifolds.
Rely on a GM OE Intake Manifold to help deliver the correct ratio of fuel and air to the engine.
Trust parts that help deliver precision with GM OE Timing Belts and Chain components.
Trust GM OE valve covers to help keep the engine oil sealed for proper circulation.
GM OEM REPLACEMENT TRANSMISSIONS
Only GM Genuine Parts Transmissions are specifically calibrated for Chevrolet, Buick, GMC and Cadillac vehicles and engine combinations. Stay with the parts your General Motors vehicle came with for known quality and trust with GM Genuine Parts and ACDelco.
THERE’S NO SUBSTITUTION FOR CERTAINTY. TRUST GM OEM POWERTRAIN PARTS.
POWERTRAIN ENGINES
GM Genuine Parts Engines are GM Original Equipment (OEM), are tested and validated through an 18-step, quality-approval process and designed for convenient installation.
POWERTRAIN ENGINE COMPONENTS
GM Genuine Parts Engine Components help get the most performance out of GM Engines and are designed, engineered, tested and backed by GM.
POWERTRAIN
Discover how GM Genuine Parts Engines and Transmissions are engineered and specifically calibrated for each vehicle model.
ENGINE BUYING AND DIAGNOSTIC FAQ
REMANUFACTURED ENGINE FAQS
MORE WAYS TO GET THE RIGHT ENGINE
