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GM
2004 – 2005 6.6L Duramax LLY
The 2004–2005 6.6 Duramax LLY engine delivers solid performance and towing power, but maintaining it means using high-quality parts built for durability and fit. At Pensacola Fuel Injection, we stock a wide range of components to keep your LLY running smoothly. Our inventory includes essentials like turbochargers, glow plugs & fuel filters, as well as sensors, injectors, gaskets, and more. Each part is sourced from brands known for quality and long-term reliability. Our team understands the importance of keeping your truck dependable, so with fast shipping, fair pricing, and expert support, Pensacola Fuel Injection is your trusted source for LLY parts built to perform. Browse our selection today and keep your Duramax running at its best.
Showing 73–84 of 198 results
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01-16 6.6L Duramax Rear Main Crankshaft Seal
List Price: $48.34Our Price: $34.95 -
01-16 6.6L Duramax Valve Lifter
List Price: $79.95Our Price: $59.95 -
01-16 6.6L Duramax Valve Springs
List Price: $54.95Our Price: $35.00 -
01-16 6.6L Duramax WIF Sensor Delete Plug
List Price: $35.00Our Price: $27.95 -
01-16 6.6L Duramax – 04.5-07 5.9L Dodge Wix 2 Micron Fuel Filter
List Price: $26.00Our Price: $20.00 -
01-16 6.6L GM Duramax Right Side Exhaust Manifold
List Price: $264.95Our Price: $229.95 -
01-16 6.6L GM Duramax Updated Left Exhaust Manifold
List Price: $109.00Our Price: $89.95 -
01-16 GM 6.6L Duramax 185 Front Thermostat
List Price: $34.00Our Price: $29.00 -
01-16 GM 6.6L Duramax ARP Head Studs
List Price: $795.00Our Price: $689.00 -
01-16 GM 6.6L Duramax CP3/4 Pump Gear
List Price: $195.00Our Price: $75.00 -
01-16 GM 6.6L Duramax Fuel Filter Housing O-Ring Kit
List Price: $39.00Our Price: $34.00 -
01-16 GM 6.6L Duramax Left Head Gasket
List Price: $102.00Our Price: $79.00












