Collection: 2004.5-2005 6.6L LLY Duramax Fuel System Upgrades
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FASS PF3001XL Extended Length Particulate Filter
Regular price $23.75 USDSale price $23.75 USD Regular priceUnit price per -
FASS Particulate Filter PF3001
Regular price $20.90 USDSale price $20.90 USD Regular priceUnit price per -
FASS High Output Heater Disk
Regular price $160.55 USDSale price $160.55 USD Regular priceUnit price per -
FASS Fuel Systems WH-1006-3R Fuel System Wiring Harnesses
Regular price $109.00 USDSale price $109.00 USD Regular priceUnit price per -
FASS Fuel Systems FPR2001 High Flow Adjustable Fuel Pressure Regulator
Regular price $299.00 USDSale price $299.00 USD Regular priceUnit price per -
FASS Fuel Systems Filter Pack XL
Regular price $56.05 USDSale price $56.05 USD Regular priceUnit price per -
FASS Fuel Systems Drop-In Series, Electric Heater Element (DIFS32283R)
Regular price $118.75 USDSale price $118.75 USD Regular priceUnit price per -
FASS Fuel Systems Drop-In Series Heater Probe Adapter Bushing (HB-2001)
Regular price $12.00 USDSale price $12.00 USD Regular priceUnit price per -
FASS Fuel Systems Drop-In Series Electric Heater Probe Kit (DIFSHK1001)
Regular price $160.55 USDSale price $160.55 USD Regular priceUnit price per -
FASS Fuel Systems COMP540G Competition Series 540GPH (70 PSI MAX)
Regular price $1,349.00 USDSale price $1,349.00 USD Regular priceUnit price per -
FASS Fuel Systems COMP360G Competition Series 360GPH (100 PSI MAX)
Regular price $1,279.00 USDSale price $1,279.00 USD Regular priceUnit price per -
FASS Fuel Systems COMP330G Competition Series 330GPH (30 PSI MAX)
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price per -
FASS Diesel Fuel 5/8 Suction Tube Upgrade Kit
Regular price $71.25 USDSale price $71.25 USD Regular priceUnit price per -
FASS Diesel Fuel 5/8 Suction Tube Kit With Bulkhead Fitting
Regular price $84.55 USDSale price $84.55 USD Regular priceUnit price per -
FASS CBK1001 Universal Heavy Duty Pickup Frame Clamp Bracket
Regular price $75.00 USDSale price $75.00 USD Regular priceUnit price per -
FASS Adjustable Fuel Pressure Regulator
Regular price $141.55 USDSale price $141.55 USD Regular priceUnit price per -
FASS 32283R Replacement Element For FASS Titanium Electric Heater
Regular price $118.75 USDSale price $118.75 USD Regular priceUnit price per -
Fleece Performance Adapter Fitting -10AN Male to 1.325 Inch Bore FPE-34224-B
Regular price $35.65 USDSale price $35.65 USD Regular priceUnit price per -
Fleece Performance 9/16 Inch -18 Hex Socket Plug w/ O-Ring FPE-SP-91618
Regular price $4.49 USDSale price $4.49 USD Regular priceUnit price per -
Fleece Performance 7/8 Inch Billet Aluminum Universal Block Off Plug FPE-34113
Regular price $9.32 USDSale price $9.32 USD Regular priceUnit price per -
Fleece Performance 5/8 Inch Hose Barb to 3/4 Inch-16 O-ring (-8 AN) FPE-34554-A
Regular price $12.99 USDSale price $12.99 USD Regular priceUnit price per -
Fleece Performance 5/8 Inch Billet Aluminum Universal Block Off Plug FPE-34139
Regular price $8.37 USDSale price $8.37 USD Regular priceUnit price per -
Fleece Performance 5/16 Inch Quick Connect to 3/4 Inch-16 O-ring (-8 AN) FPE-34552-A
Regular price $11.99 USDSale price $11.99 USD Regular priceUnit price per -
Fleece Performance 3/8 Inch Quick Connect to 3/4 Inch-16 O-ring (-8 AN) FPE-34551-A
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price per -
Fleece Performance 3/8 Inch NPT Hex Socket Plug Black FPE-NPT-38
Regular price $2.99 USDSale price $2.99 USD Regular priceUnit price per -
Fleece Performance 3/8 Inch Black Anodized Aluminum Y Barbed Fitting (For -6 Pushlock Hose) FPE-FIT-Y06-BLK
Regular price $23.99 USDSale price $23.99 USD Regular priceUnit price per -
Fleece Performance 3/14 Inch-16 Hex Socket Plug w/ O-Ring FPE-SP-3416
Regular price $4.99 USDSale price $4.99 USD Regular priceUnit price per -
Fleece Performance 3/4 Inch NPT Hex Socket Plug Black FPE-NPT-34
Regular price $4.99 USDSale price $4.99 USD Regular priceUnit price per
