Description
GM 6.6L Duramax LLY Overhaul-Rebuild Kit for 2004.5–2005
Revitalize your GM 6.6L Duramax engine with this premium overhaul-rebuild kit, built specifically for 2004.5–2005 LLY models. Whether you’re a professional mechanic or a dedicated DIY enthusiast, you’ll appreciate the quality and performance packed into this complete kit.
Kit Features
- Comprehensive Components: You’ll receive UEM Dualoy pistons and rings, MAHLE/FELPRO seals, and Mahle/King/GM bearings. Every part meets or exceeds OEM specs, so you experience reliable performance with every drive.
- High-Strength Pistons: Rely on the Dualoy pistons and their robust top ring carrier to handle intense heat and the toughest diesel conditions for years to come.
- Trusted Brands: We include only the best—UEM, MAHLE, FELPRO, and KING—so you never have to worry about quality.
- Built for Performance: Enjoy greater efficiency and the heavy-duty strength your engine needs for long-term use.
- Warranty: Gain peace of mind with a 1-year warranty included with your kit.
What’s Included
- Piston Kit (specify size when ordering)
- Rod Bearing Set (specify size)
- Main Bearing Set (specify size)
- Head Gaskets
- Upper Engine Gasket Kit
- Lower Engine Gasket Kit
- Cam Bearing Set
- Thrust Washer Set
- Additional essential parts for a complete rebuild
Important Ordering Information
We build each kit to order, so lead times may vary depending on stock and options you select. Always have a professional measure your cylinder bores before ordering to ensure the correct piston size. If you need to change the piston size after your order, we will charge restocking and shipping fees. Please note, custom or machined pistons are non-exchangeable.
