5.3L LM7/L59 Rebuilt Truck Engine

Description

5.3L LM7/L59 Rebuilt Truck Engine – Dependable GM Power for Your Chevy or GMC

Restore or upgrade your truck with our rebuilt 5.3L LM7/L59 V8 engine, engineered for maximum reliability and smooth performance. Built from the legendary GM LS truck platform, this engine is ideal for Chevy Silverado, Tahoe, Suburban, GMC Sierra, and Yukon models.

Each unit is professionally rebuilt to OEM specifications using premium-quality components and thoroughly tested to ensure it meets or exceeds factory performance.

Condition:

• Rebuilt (Zero Miles) — fully disassembled, cleaned, machined, and assembled with all new internal parts.

• Every engine is dyno-tested and pressure-checked for oil pressure, compression, and leak integrity before shipping.

Main Components Replaced or Inspected:

Every rebuilt 5.3L LM7/L59 engine includes:

• New pistons, piston rings, bearings, seals, and gaskets

• New oil pump and timing chain set

• Reconditioned or new cylinder heads

• Resurfaced engine block and crankshaft polishing

• New camshaft bearings and valve components

• All engines pressure-tested and inspected for leaks and compression

Key Features:

• 5.3L Displacement (LM7/L59 – Gen III LS Series)

• Cast-Iron Block / Aluminum Heads

• 9.5:1 Compression Ratio

• Horsepower: Approx. 285–325 HP (Stock) — upgrade-ready for performance builds

• Compatible with 4L60E and 4L80E transmissions

• Available with optional wiring harness and ECM

Why Choose a Rebuilt LM7/L59 Engine?

Rebuilt LS engines offer the performance and longevity of a new engine at a lower price. With brand-new internals and zero running miles, you get factory-level reliability, perfect for truck restorations, LS swaps, or daily drivers.

Order Your Rebuilt 5.3L LM7/L59 Engine Today

Bring your Chevy or GMC back to life with a professionally rebuilt LS engine you can trust.
✅ OEM-quality components
✅ Tested for compression and oil pressure
✅ Zero-mile rebuild with nationwide shipping

✅ Plug & Play Ready
✅ Zero-Mile Rebuild
✅ Includes Tested ECM + Complete Wiring Harness
✅ Free Shipping in the USA