The Factory CP4.2 Pump Found on 2011-2016 LML Duramax is known to be a problematic component. Even the slightest amount of fuel or water contamination can ruin the pumps internals leading to metal debris flushing throughout the entire fuel system. When these pumps fail...

Long Stainless Rail Fitting for LLY, LBZ, & LMM Driver side rail rear port. 1/8" ID for increased fuel flow. High Flow Rail Fitting (Long) for 04.5-10 Duramax Features: Stainless Rail Fitting Vehicle Fitments 2004.5-2010 GMC 6.6L DURAMAX 2004.5-2010 CHEVROLET 6.6L DURAMAX

Twin CP3 Pump Kit for the 2004.5-2005 LLY Duramax allows you to mount a second high pressure CP3 pump (available separately) next to your AC Compressor to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...

Twin CP3 Pump Kit for the 2004.5-2005 LLY Duramax allows you to mount a second high pressure CP3 pump (available separately) next to your AC Compressor to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...

Twin CP3 Pump Kit for the 2004.5-2005 LLY allows you to mount a second high pressure CP3 pump (available separately) in the AC compressore mount location to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...

Twin CP3 Pump Kit for the 2004.5-2005 LLY allows you to mount a second high pressure CP3 pump (available separately) in the AC compressore mount location to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...

LBZ/LMM Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part Number 98006526 2006-2010 Chevrolet Silverado 2500 2006-2010...

LBZ/LMM Duramax High Pressure Injection Line (Number 1 and Number 8). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part Number 98006523 2006-2010 Chevrolet Silverado 2500 2006-2010...

Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. This kit includes a complete set of 8 lines. Application Notes: Replaces GM Part number 98006523 (qty 2) Replaces GM Part number 98006527...

Twin CP3 Pump Kit for the 2006-2010 LBZ/LMM Duramax allows you to mount a second high pressure CP3 pump (available separately) next to your AC Compressor to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...

Twin CP3 Pump Kit for the 2006-2010 LBZ/LMM Duramax allows you to mount a second high pressure CP3 pump (available separately) next to your AC Compressor to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...

Twin CP3 Pump Kit for the 2006-2010 LBZ / LMM allows you to mount a second high pressure CP3 pump (available separately) in the AC compressore mount location to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high...

Twin CP3 Pump Kit for the 2006-2010 LBZ / LMM allows you to mount a second high pressure CP3 pump (available separately) in the AC compressore mount location to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high...

Billet Block Off plate for valley CP3 pump. Black anodized finish with engraved logo. Valley CP3 Block Off Plate for 2001-2016 Duramax Features: Block Off Plate O-ring Vehicle Fitments 2001-2016 GMC 6.6L DURAMAX 2001-2016 CHEVROLET 6.6L DURAMAX

Billet Aluminum CP3 Pulley Deep Offset, Black Anodize Finish. Twin CP3 Pulley Deep Offset for 2001-2016 Duramax Black Anodized Vehicle Fitments 2001-2016 GMC 6.6L DURAMAX 2001-2016 CHEVROLET 6.6L DURAMAX

Billet Aluminum CP3 Pulley Deep Offset, Raw Finish. Twin CP3 Pulley Deep Offset for 2001-2016 Duramax Raw Vehicle Fitments 2001-2016 GMC 6.6L DURAMAX 2001-2016 CHEVROLET 6.6L DURAMAX

Stainless steel machined nut for CP3 Pump with Billet Pulley. Twin CP3 Mount Nut for 2001-2016 Duramax Stainless Vehicle Fitments 2001-2016 GMC 6.6L DURAMAX 2001-2016 CHEVROLET 6.6L DURAMAX

2001-2010 LB7, LLY, LBZ, LMM Crew Cab Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck on the inside of the driver side frame rail. Relocation Mount for FASS Lift Pump 2001-2010 Duramax (Crew Cab Only) Features:...

2001-2004 LB7 Injection Lines complete set of 8- Over time LB7 Injection lines corrode and break, they are a leading cause of contamination when changing the Injectors. So if you are changing your injectors, or have a line failure we've got you covered with...

LLY Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. Application Notes: Replaces GM Part number 97378827 2004.5-2005 Chevrolet Silverado 2500 2004.5-2005...