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EngineJunction
5.3L V8
OEM ReplacementRemanufacturedSave 8%

GM · LS family

GM 5.3L Vortec V8 OEM Replacement Engine

Part number GM-LM7-OEM

Displacement
5.3L
Power
295 hp
Torque
335 lb-ft
$5,499$5,999

In stock

1
  • 36-month warranty covering parts and labour on the long block.
  • Crated and insured freight, quoted at checkout.
  • Dispatches in roughly 4 days.

About this engine

The straightforward, no-drama replacement for a tired truck 5.3. Remanufactured with new pistons, rings, bearings, timing set and lifters, and pressure-tested before it leaves the bench. Three-year warranty, and it bolts to the factory harness.

What you get

  • Direct OEM-fit replacement
  • New pistons, rings, bearings and lifters
  • 36-month / 100,000 mile warranty
  • Twelve units in stock

Known fitment

  • Chevrolet Silverado 1500 1999-2007
  • GMC Sierra 1500 1999-2007
  • Chevrolet Tahoe 2000-2006
  • Cadillac Escalade 2002-2006

This list is not exhaustive. If your chassis is not here, ask — most swaps come down to mounts and sump clearance.

Will it fit your build?

Tell us the chassis and the transmission. We will tell you what clears, what needs mounts, and what to avoid.

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