GM 6.6L Duramax Engine Overhaul-Rebuild Kit 2001-2004 LB7

GM 6.6L Duramax LB7 Overhaul-Rebuild Kit 2001–2004

Restore your GM 6.6L Duramax LB7 engine (2001–2004) with this premium GM 6.6L Duramax LB7 Overhaul-Rebuild Kit 2001–2004. We designed this kit for both professional mechanics and dedicated enthusiasts who want trusted quality and peak performance.

Kit Features

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• Comprehensive Components: \nThe kit includes UEM Dualoy pistons and rings, MAHLE/FELPRO seals, and Mahle/King/GM bearings. Every component meets or exceeds OEM specifications, so you can count on a precise fit and lasting reliability.
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• High-Strength Pistons: \nDualoy pistons feature a reinforced top ring carrier, offering superior heat resistance and durability—even under the toughest diesel conditions.
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• Trusted Brands: \nWe source all parts from industry leaders like UEM, MAHLE, FELPRO, and KING. This means you can trust every component in your rebuild.
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• Longevity & Performance: \nEach item in the kit is engineered for maximum efficiency and heavy-duty use, helping your engine deliver dependable, long-term performance.
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• Warranty: \nEnjoy peace of mind with a 1-year warranty on your complete kit.
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What’s Included

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• Piston Kit (specify size when ordering)
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• Rod Bearing Set (specify size)
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• Main Bearing Set (specify size)
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• Head Gaskets
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• Upper Engine Gasket Kit
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• Lower Engine Gasket Kit
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• Cam Bearing Set
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• Thrust Washer Set
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• More essential components for a complete rebuild
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Important Ordering Information

We build every kit to order, so lead times may vary based on stock and the options you select. Please have your cylinder bores professionally measured before placing your order to ensure the correct piston size. If you need to change your piston size after your order is processed, restocking and shipping fees will apply. Please note that custom or machined pistons cannot be exchanged.