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2004.5-05 6.6L Duramax LLY Diesel Performance Products and Accessories
Attention: If you have a GM Duramax please verify your engine type before ordering any product. You will either have an LB7, LLY, or LBZ motor, many of the products we offer are not interchangeable with all three engines.
To Verify: Check the 8th digit in the VIN number,
If it's a 1 you have the LB7 motor and it is covered by the model years 01-04
If it's a 2 you have the LLY motor and it is covered by the model years 04.5-05
Products in this section are designed to work on 2004.5 and 2005 6.6L GM Duramax equipped trucks unless otherwise noted.
 2004.5-05 6.6 LLY GM Duramax Maintenance and Filters |
 2004.5-05 6.6L LLY GM Duramax Air Intakes / Filters |
 2004.5-05 6.6L LLY GM Duramax Diesel Electronic Performance / Chips / Programmers / Tuners |
 2004.5-05 6.6L LLY GM Duramax Differential Covers / Mag-Hytec |
 2004.5-05 6.6L LLY GM Duramax EGT Control: Snow Performance |
 2004.5-05 6.6L LLY GM Duramax Engine Components |
 2004.5-05 6.6L LLY GM Duramax Exhaust Brakes |
 2004.5-05 6.6L LLY GM Duramax Exhaust Components |
 2004.5-05 6.6L LLY GM Duramax Exhaust Kits |
 2004.5-05 6.6L LLY GM Duramax Exhaust Manifolds |
 2004.5-05 6.6L LLY GM Duramax Fuel Related |
 2004.5-05 6.6L LLY GM Duramax Gauge Packages - DiPricol / Isspro |
 2004.5-05 6.6L LLY GM Duramax Gauges / Mounting |
 2004.5-05 6.6L LLY GM Duramax Intercoolers |
 2004.5-05 6.6L LLY GM Duramax Suspension |
 2004.5-05 6.6L LLY GM Duramax Towing / Sledpulling |
 2004.5-05 6.6L LLY GM Duramax Train Horn / Air Horn Kits |
 2004.5-05 6.6L LLY GM Duramax Transmission |
 2004.5-05 6.6L LLY GM Duramax Turbo & Accessories |
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