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Marine Engines
Remanufactured Marine/Boat Engine
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Access GMC  wiring diagrams and repair procedures. Learn how to repair, install or remove a part, reset engine lights...
GMC 495 Engine (V8, 495 cid, 8.1L)
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This GMC 495/8.1L engine/motor can fit the Sierra 3500, Yukon XL 2500, Sierra 2500 HD and some other GMC car and/or truck applications - for more details see your automobile manual.

2003 - 2004

2003-2004 GMC 495 Roller Vortec
Engine DescriptionSizeVINPrice/Core
2003-2004 GMC 495 Roller Vortec

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For troubleshooting tips and repair information on the GMC 495/8.1L engine, please visit our Information page.