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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 97–108 of 198 results
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01-20 6.6L GM Duramax Thermostat Set
List Price: $79.00Our Price: $59.95 -
02-16 6.6L Duramax Belt Tensioner
List Price: $119.00Our Price: $89.95 -
02-16 6.6L Duramax HD Micro-V Belt (Single Alt)
List Price: $69.95Our Price: $49.95 -
02-19 6.6L Duramax HD Micro-V Belt
List Price: $62.95Our Price: $44.95 -
03-07 5.9L Dodge Cummins Fuel Rail Pressure Sensor
List Price: $139.00Our Price: $109.00 -
03-07 6.6L Transfer Case Encoder Ring
List Price: $64.00Our Price: $57.95 -
03-08 GM 6.6L Transfer Case Motor
List Price: $249.00Our Price: $228.95 -
03-10 6.6L Duramax OEM AC Compressor
List Price: $455.00Our Price: $395.00 -
03-10 6.6L Duramax Oil Pressure Sensor Pigtail Connector
List Price: $29.00Our Price: $19.00 -
03-10 GM 6.6L Duramax Oil Pressure Sender / Switch
List Price: $99.00Our Price: $79.00 -
04-05 6.6L GM LLY Duramax S&B Cold Air Intake
List Price: $369.00Our Price: $349.00 -
04-07 6.6L Duramax AC Accumulator
List Price: $37.89Our Price: $32.95











