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FASS Drop-In Series

FASS Drop-In Technology was developed to achieve industry-leading filtration with the simplest possible installation—making the FASS Drop-In Series Systems a true bolt-in upgrade. If you’re mechanically inclined, a Drop-In Series Fuel System can be installed in your driveway in less than an hour!

FASS Fuel System / Caterpillar - Drop-In Series - DIFSCAT1001

FASS Fuel System / Caterpillar - Drop-In Series - DIFSCAT1001

3406E, C10, C11, C12, C13, C15, C16, and C18 Caterpillar Engines Equipped with 1R-0749 and 1R-0750 Fuel Filters

~~$262.11~~ $249.00 Sale

FASS Fuel System / 2003 - 2007 Cummins 5.9 L - Drop-In Series - DIFSRAM2001

FASS Fuel System / 2003 - 2007 Cummins 5.9 L - Drop-In Series - DIFSRAM2001

2003 - 2007 Dodge Ram 2500 Cummins 5.9 L
2003 - 2007 Dodge Ram 3500 Cummins 5.9 L

~~$504.21~~ $479.00 Sale

FASS Fuel System / 2007 - 2009 Cummins 6.7 L - Drop-In Series - DIFSRAM3001

FASS Fuel System / 2007 - 2009 Cummins 6.7 L - Drop-In Series - DIFSRAM3001

2007 - 2009 Dodge Ram 2500 Cummins 6.7 L
2007 - 2009 Dodge Ram 3500 Cummins 6.7 L

~~$504.21~~ $479.00 Sale

FASS Fuel System / 2010 - 2018 Cummins 6.7 L - Drop-In Series - DIFSRAM1001

FASS Fuel System / 2010 - 2018 Cummins 6.7 L - Drop-In Series - DIFSRAM1001

2010 Dodge Ram 2500 Cummins 6.7 L
2010 Dodge Ram 3500 Cummins 6.7 L
2011 - 2018 RAM 2500 Cummins 6.7 L
2011 - 2018 RAM 3500 Cummins 6.7 L

~~$504.21~~ $479.00 Sale

FASS Fuel System / 2019 - 2024 Cummins 6.7 L - Drop-In Series - DIFSRAM4001

FASS Fuel System / 2019 - 2024 Cummins 6.7 L - Drop-In Series - DIFSRAM4001

2019 - 2024 RAM 2500 Cummins 6.7 L
2019 - 2024 RAM 3500 Cummins 6.7 L

~~$504.21~~ $479.00 Sale

FASS Fuel System / 2017 - 2024 Duramax 6.6 L - Drop-In Series - DIFSL5P1001

FASS Fuel System / 2017 - 2024 Duramax 6.6 L - Drop-In Series - DIFSL5P1001

2017 - 2019 Chevrolet Silverado 2500 Duramax 6.6 L - L5P / Crew Cab Short Bed
2017 - 2019 Chevrolet Silverado 3500 Duramax 6.6 L - L5P / Crew Cab Short Bed
2017 - 2024 Chevrolet Silverado 2500 Duramax 6.6 L / Crew Cab Long Bed
2017 - 2024 Chevrolet Silverado 3500 Duramax 6.6 L / Crew Cab Long Bed
2017 - 2019 GMC Sierra 2500 Duramax 6.6 L - L5PÊ/ Crew Cab Short Bed
2017 - 2019 GMC Sierra 3500 Duramax 6.6 L - L5PÊ/ Crew Cab Short Bed
2017 - 2024 GMC Sierra 2500 Duramax 6.6 L / Crew Cab Long Bed
2017 - 2024 GMC Sierra 3500 Duramax 6.6 L / Crew Cab Long Bed

~~$504.21~~ $479.00 Sale

FASS Fuel System / 2020 - 2024 Duramax 6.6 L - Drop-In Series - DIFSL5P2001

FASS Fuel System / 2020 - 2024 Duramax 6.6 L - Drop-In Series - DIFSL5P2001

2020 - 2024 Chevrolet Silverado 2500 Duramax 6.6 L / Crew Cab Short Bed
2020 - 2024 Chevrolet Silverado 3500 Duramax 6.6 L / Crew Cab Short Bed
2020 - 2024 GMC Sierra 2500 Duramax 6.6 L / Crew Cab Short Bed
2020 - 2024 GMC Sierra 3500 Duramax 6.6 L / Crew Cab Short Bed

~~$504.21~~ $479.00 Sale

FASS Fuel System / 2017 - 2024 Powerstroke 6.7 L - Drop-In Series - DIFSFRD1001

FASS Fuel System / 2017 - 2024 Powerstroke 6.7 L - Drop-In Series - DIFSFRD1001

2017 - 2024 Ford F-250 Powerstroke 6.7 L
2017 - 2024 Ford F-350 Powerstroke 6.7 L
2017 - 2024 Ford F-450 Powerstroke 6.7 L

~~$504.21~~ $479.00 Sale