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  1. To FASS or not to FASS... | Cummins Diesel Forum

    Dec 19, 2024 · A FASS system ie pump and filters is around $600 to $700 and feed it from the bottom not the top. Fuel pressure should be 16 psi @ the injector pump! 03 QCLB- Built with scraps, and …

  2. FASS 165gph noisy? | Cummins Diesel Forum

    Jul 27, 2025 · The FASS Titanium Series is a top-tier lift pump with excellent filtration (3-micron rating, water separation, and air/vapor removal), which is great for protecting injectors and improving fuel …

  3. FASS vs AirDog.....You Decide! - The Truck Stop

    Jun 28, 2009 · A few things to note about the components…. 1 – The FASS comes with 3/8” fuel line and the AirDog comes with 1/2". Both had enough to leave approx 1 – 2’ of fuel line remaining after …

  4. Don't know what FASS I have | Cummins Diesel Forum

    Apr 22, 2025 · Long time viewer first time poster, and want to thank everybody for their amazing help, I have gotten so much information and learned so much from everybody's posts on problems and …

  5. Fass lift pump loosing prime | Cummins Diesel Forum

    Apr 2, 2025 · Hey guys so I’ve been chasing a fuel issue with my truck, it’s got a fass lift pump and a sump on bottom of tank, my issue is every time I shut the truck off and turn the key off and the pump …

  6. Fass fuel system | Cummins Diesel Forum

    Dec 25, 2024 · The FASS comes with very detailed instructions on how to install it. Those instructions are readily available on the FASS website for download. Start doing some research and reading here …

  7. is a FASS worth it? | Cummins Diesel Forum

    Oct 25, 2008 · The FASS pumps also come with a lifetime warranty, i never understand why that is overlooked when this comes up. But to answer your question yes they are worth it and a …

  8. FASS 150 Troubleshooting | Cummins Diesel Forum

    Nov 24, 2024 · FASS 150 Troubleshooting 1 reading Jump to Latest 681 views 7 replies 5 participants last post by rghavana Nov 25, 2024

  9. Installing FASS, have a couple questions | Cummins Diesel Forum

    Aug 30, 2022 · I'm installing a sump fed FASS Titanium lift pump on my '01 3500. I'm also removing all of the unused stock fuel delivery components (i.e. fuel lines, block mounted pump, filter bowl). …

  10. Fass Fuel system | Cummins Diesel Forum

    Dec 15, 2020 · I have had a fass system on my 97 for several years with zero issues for reliability. As far as fuel delivery the stock system/pump can handle lots more than what the truck requires. The ad on …