Built for the right kind of project
Built for GM truck, SUV, and van owners who need the right 5.3L LS replacement, matched by application details instead of guesswork.
Search by Year, Make & Model or enter your VIN. We’ll narrow the GOAT catalog to the replacement engines that match your application.
Ready-to-ship 5.3L reman long block for 1999-2007 chevy/gmc truck, suv & van applications, built as a stock-style direct-fit replacement.
Remanufactured 5.3L LM7/L59 long block for listed 1999-2007 Chevrolet and GMC replacement applications. Match the original engine code, VIN and vehicle configuration before ordering.
LM7: VIN engine code T. L59: VIN engine code Z, flex-fuel application. For 2007 Silverado and Sierra trucks, this listing is for the Classic body style. Model years alone do not establish fitment. Match the original RPO, drivetrain, emissions equipment and external hardware.
| Displacement | 5.3L / 325 cu. in. |
|---|---|
| Engine family | GM Gen III small-block V8 |
| Engine codes | LM7 / L59 |
| Block | Cast iron |
| Cylinder heads | Aluminum |
| Fuel application | Gasoline or flex-fuel, matched to the original engine |
| Assembly | Remanufactured long block |
This is a long block, not a fully dressed, ready-to-run engine. External parts are not included unless specifically listed in your order. Photographs may show a representative configuration.
Plan for application-specific intake and exhaust manifolds, fuel system and throttle body, sensors and wiring, accessory drive, flexplate or flywheel and engine-management components. The original oil pan, pickup and front cover may also need to transfer, depending on the supplied assembly and vehicle.
Reuse only serviceable components. Identify the cause of the original failure, clean the intake of debris, inspect the cooling and fuel systems, and follow the supplied oil-pump and oil-cooler requirements before startup.
A $300 core deposit is added at checkout. Outbound engine freight is $299. If you use GOAT's arranged core return, return freight is $299 and is deducted from the approved core refund. No separate return-freight payment is collected up front.
For eligible passenger cars and light trucks up to one ton: 3 years or 100,000 miles, whichever comes first, covering defects in materials or workmanship. Parts and labor claims require approval and are subject to reimbursement limits. Special-use applications have different terms. Read the coverage, installation and claim summary below.
Built for GM truck, SUV, and van owners who need the right 5.3L LS replacement, matched by application details instead of guesswork.
3-Year Limited Warranty
Eligible passenger cars and light trucks up to one ton are covered for 36 months or 100,000 miles, whichever comes first, for defects in materials or workmanship. Special-use applications carry different coverage.
Improper installation, overheating, oil starvation, contamination, misuse, racing, off-road use and unauthorized modifications are excluded. Special-use, motorhome and heavier-truck schedules differ; geographic restrictions also apply. This is a summary of the supplied limited warranty, not a replacement for its complete terms.
This is a stock-replacement reman long block built for the exact application family shown on this page, not a carbureted turn-key hot rod package.
This version is aimed at 1999-2007 Chevy Silverado 1500, Avalanche, Suburban & Express Van; 1999-2007 GMC Sierra 1500 & Savana Van; 2002-2005 Cadillac Escalade. Fitment still needs to be confirmed by year, VIN/application details, and platform-specific hardware.
Match the year range, vehicle application, and the correct engine/application details for this listing: LM7/L59. 2007 Silverado/Sierra Classic only; VIN T/Z; 3-bolt cam gear; .8570" crank end flange; check PCV per GM TSB guidance.
This listing is meant to follow the stock-style application details for the engine family shown here, so matching the original setup matters.
Yes. The listed selling price is for the engine itself; the core charge is separate and is handled through the reman core-return process after the correct rebuildable core is returned and accepted.
The current availability is shown beside the product price. The delivery range is an estimate based on handling and transit time; the shipping destination and carrier can affect arrival. Final availability is confirmed when your order is reviewed.
Yes. GOAT will help confirm the correct year range, VIN/application details, electronics, and stock-style fitment direction before you place the order.
For eligible passenger cars and light trucks up to one ton, coverage is 3 years or 100,000 miles, whichever comes first, for defects in materials or workmanship. Approved parts and labor claims are subject to the written warranty: independent-shop labor uses published flat-rate time at up to $50 per hour; owner-installed labor is up to $25 per flat-rate hour, capped at $300. Register within 30 days of installation and contact GOAT Engines before diagnosis, disassembly or repairs. Special-use applications have different terms. Full requirements and exclusions apply.