Collection: 2004.5-2005 6.6L LLY DURAMAX
Elevate your 2004.5-2005 6.6L LLY DURAMAX engine with our high-quality parts.
Experience a significant boost in power and performance, along with improved fuel efficiency and unmatched durability. Effortless installation ensures a seamless upgrade. Unlock the full potential of your vehicle today!
Upgrade now and feel the difference! Drive with...
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Duramax CP3 6.6 Liter 2001-2025 New LBZ Based For Use On LB7 LML Dual CP3 Kit Etc CAN T Be Sold As Stock LBZ S&S Diesel
Regular price $1,086.00 USDSale price $1,086.00 USD Regular priceUnit price per -
Duramax Mm3 /Rev Displacement) 6.6 Liter 2001-2025 LBZ-Based S&S Diesel
Regular price From $2,143.00 USDSale price From $2,143.00 USD Regular priceUnit price per -
Duramax Supersport CP3 (higher Output >3500rpm) 6.6 Liter 2001-2025 New LBZ-Based S&S Diesel
Regular price $1,273.00 USDSale price $1,273.00 USD Regular priceUnit price per -
Replacement Sensor Connector With Pigtail for L5P Duramax and GM Vehicles (L5P Duramax Sensor Pigtail 1) Fleece Performance
Regular price $37.99 USDSale price $37.99 USD Regular priceUnit price per$39.89 USDSale -
Replacement Transmission Line LB7/LMM (Long Line) Fleece Performance
Regular price $139.99 USDSale price $139.99 USD Regular priceUnit price per$146.99 USDSale -
Replacement Transmission Line LB7/LLY (Short Line) Fleece Performance
Regular price $79.99 USDSale price $79.99 USD Regular priceUnit price per$83.99 USDSale -
Allison Transmission Cooler Lines For 2001-2005 LB7-LLY Fleece Performance
Regular price $289.99 USDSale price $289.99 USD Regular priceUnit price per$304.49 USDSale -
Multiuse Sensor Pigtail No 11
Regular price $18.99 USDSale price $18.99 USD Regular priceUnit price per$19.94 USDSale -
2004.5-2010 Duramax Billet Turbo Resonator Delete Plug LLY/LBZ/LMM Fleece Performance
Regular price $23.80 USDSale price $23.80 USD Regular priceUnit price per$24.99 USDSale -
Replacement Transmission Line LB7/LMM (Medium Line) Fleece Performance
Regular price $99.99 USDSale price $99.99 USD Regular priceUnit price per$104.99 USDSale -
SureFlo Performance Sending Unit For 04.5-10 Silverado/Sierra 2500/3500 Duramax Fleece Performance
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price per$397.95 USDSale -
Duramax MAP/BARO Sensor Pigtail 01-07 Fleece Performance
Regular price $27.99 USDSale price $27.99 USD Regular priceUnit price per$29.39 USDSale -
Turbo Vane Position Sensor Adapter Harness for LLY Duramax Fleece Performance
Regular price $46.99 USDSale price $46.99 USD Regular priceUnit price per$49.34 USDSale -
2003-2010 Duramax Oil Pressure Sensor Pigtail
Regular price $21.99 USDSale price $21.99 USD Regular priceUnit price per$23.09 USDSale -
Duramax Vane Position Sensor Pigtail LLY Fleece Performance
Regular price $28.99 USDSale price $28.99 USD Regular priceUnit price per$30.44 USDSale -
Duramax Turbo Thermostat Delete Plug Fleece Performance
Regular price $37.95 USDSale price $37.95 USD Regular priceUnit price per$39.85 USDSale -
Duramax Crankshaft Position Sensor Pigtail (2004.5-2016)
Regular price $21.99 USDSale price $21.99 USD Regular priceUnit price per$23.09 USDSale -
2004.5-2010 LLY, LBZ, LMM Duramax 63mm FMW Cheetah Turbocharger STREET Fleece Performance
Regular price $2,599.00 USDSale price $2,599.00 USD Regular priceUnit price per$2,728.95 USDSale -
LLY Duramax High Pressure Injection Line (Number 1 and Number 8) Fleece Performance
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price per$73.49 USDSale -
LLY Duramax High Pressure Injection Line (Number 2 and Number 7) Fleece Performance
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price per$73.49 USDSale -
LLY Duramax High Pressure Injection Line (Number 4 and Number 5) Fleece Performance
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price per$73.49 USDSale -
LLY Duramax High Pressure Injection Line (Number 3 and Number 6) Fleece Performance
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price per$73.49 USDSale -
LLY Duramax High Pressure Injection Line Kit Fleece Performance
Regular price $489.00 USDSale price $489.00 USD Regular priceUnit price per$513.45 USDSale -
2001-2016 Duramax Oil Cap Fleece Performance
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price per$41.98 USDSale -
Donaldson P553203 Case of 12 Fuel Filters for Fleece L5P Duramax Fuel Filter Kits and 1998.5-2018 Dodge Ram Cummins Auxiliary Fuel Filter Kits Fleece Performance
Regular price $339.00 USDSale price $339.00 USD Regular priceUnit price per$355.95 USDSale -
Duramax PowerFlo 750 CP3 Fleece Performance
Regular price $2,049.00 USDSale price $2,049.00 USD Regular priceUnit price per$2,099.00 USDSale -
Duramax CP3K Fleece Performance
Regular price $1,349.00 USDSale price $1,349.00 USD Regular priceUnit price per$1,399.00 USDSale -
Remote Turbo Oil Feed Line Kit for 6.6L Duramax Turbochargers 2001-2016 GM 2500/3500 Fleece Performance
Regular price $99.99 USDSale price $99.99 USD Regular priceUnit price per$104.99 USDSale
