Shop below for FASS fuel air separation systems for your GM Duramax Diesel. The FASS Fuel Systems product line for GM Duramax diesel pickups is the best selling aftermarket diesel fuel pump and Filtration Systems (Titanium Series) on the market today. FASS Fuel Systems are designed to eliminate air and vapor trapped in diesel fuel. When air and vapor are eliminated and replaced with pure fuel we are able to provide your diesel engine with the cleanest burning fuel possible. Please take a look at our FASS products and if you have any question please feel free to give us a call.
Description: 2015 - 2016 Chevy GMC 6.6L Duramax LML 2500 & 3500
Stock to Moderate HP (0-600 HP)
More Details »
Item #: TSC12100G
Condition: New
Free Ground Shipping
Price: $699.00
FASS Titanium Signature Series 140gph - 17-19 L5P DuramaxNew
2017 - 2019 Chevy GMC 6.6L L5P Duramax 2500 & 3500
Supersedes part # TSC13140G
Stock to Moderate HP (Stock - 500 HP)
This system is designed for the 2017-2019 L5P Duramax WITH...
Item #: TSC13180F140GFASS Fuel Air Separation Systems
Description: 2017 - 2019 Chevy GMC 6.6L L5P Duramax 2500 & 3500
Supersedes part # TSC13140G
Stock to Moderate HP (Stock - 500 HP)
This system is designed for the 2017-2019 L5P Duramax WITH...More Details »
2020 - 2022 Chevy GMC 6.6L L5P Duramax 2500 & 3500
This Fuel System REQUIRES aftermarket tuning to be compatible.
Stock to Moderate HP (Stock - 500 HP)
This system is designed ...
Item #: TSC15180F140GFASS Fuel Air Separation Systems
Description: 2020 - 2022 Chevy GMC 6.6L L5P Duramax 2500 & 3500
This Fuel System REQUIRES aftermarket tuning to be compatible.
Stock to Moderate HP (Stock - 500 HP)
This system is designed...More Details »
Item #: TSC15180F140G
Condition: New
Free Ground Shipping
Price: $799.00
FASS Titanium Signature Series 165gph - 01-10 DuramaxNew
2001 - 2010 Chevy GMC 6.6L Duramax 2500 & 3500 LB7, LLY, LBZ, LMM
Moderate to Extreme HP (600-900 HP)
Description: 2015 - 2016 Chevy GMC 6.6L LML Duramax 2500 & 3500
Moderate to Extreme HP (600-900 HP)
More Details »
Item #: TSC12165G
Condition: New
Free Ground Shipping
Price: $749.00
FASS Titanium Signature Series 220gph - 17-19 L5P DuramaxNew
2017 - 2019 Chevy GMC 6.6L L5P Duramax 2500 & 3500
Supersedes part # TSC13220G
MODERATE TO EXTREME HP (500Hp-900HP)
This system is designed for the 2017-2019 L5P Duramax WITH ...
Item #: TSC13250F220GFASS Fuel Air Separation Systems
Description: 2017 - 2019 Chevy GMC 6.6L L5P Duramax 2500 & 3500
Supersedes part # TSC13220G
MODERATE TO EXTREME HP (500Hp-900HP)
This system is designed for the 2017-2019 L5P Duramax WITH...More Details »
2020 - 2022 Chevy GMC 6.6L L5P Duramax 2500 & 3500
This Fuel System REQUIRES aftermarket tuning to be compatible.
Moderate to Extreem HP (600 - 900 HP)
This system is designed ...
Item #: TSC15250F220GFASS Fuel Air Separation Systems
Description: 2020 - 2022 Chevy GMC 6.6L L5P Duramax 2500 & 3500
This Fuel System REQUIRES aftermarket tuning to be compatible.
Moderate to Extreem HP (600 - 900 HP)
This system is designed...More Details »
Item #: TSC15250F220G
Condition: New
Free Ground Shipping
Price: $849.00
FASS Titanium Signature Series 240gph - 17-19 L5P DuramaxNew
2017 - 2019 Chevy GMC 6.6L L5P Duramax 2500 & 3500
Supersedes part # TSC13240G
Extreme HP (900-1200 HP)
This system is designed for the 2017-2019 L5P Duramax WITH AFTERMARKET ...
Item #: TSC13290F240GFASS Fuel Air Separation Systems
Description: 2017 - 2019 Chevy GMC 6.6L L5P Duramax 2500 & 3500
Supersedes part # TSC13240G
Extreme HP (900-1200 HP)
This system is designed for the 2017-2019 L5P Duramax WITH AFTERMARKET...More Details »
2020 - 2022 Chevy GMC 6.6L L5P Duramax 2500 & 3500
This Fuel System REQUIRES aftermarket tuning to be compatible.
Extreme HP (900 - 1200 HP)
This system is designed for the 202...
Item #: TSC15290F240GFASS Fuel Air Separation Systems
Description: 2020 - 2022 Chevy GMC 6.6L L5P Duramax 2500 & 3500
This Fuel System REQUIRES aftermarket tuning to be compatible.
Extreme HP (900 - 1200 HP)
This system is designed for the...More Details »
Item #: TSC15290F240G
Condition: New
Free Ground Shipping
Price: $899.00
FASS Titanium Signature Series 250gph - 01-16 DuramaxNew
