FASS Titanium Signature Series Fuel System
Upgrade the fuel delivery and filtration system on your 2015-2016 GM 6.6L LML Duramax with the FASS Titanium Signature Series Fuel System. Because the LML Duramax does not use a factory lift pump, the CP4 injection pump must pull fuel from the tank under vacuum. The FASS system supplies positive fuel pressure to the injection system, helping reduce strain on the CP4 while providing a consistent supply of clean, de-aerated fuel.
Exclusive FASS technologies including Whisper Technology (FWT), Performance Radius Cuts (PRC), and Mass Flow Return (MFR) provide quiet operation, improved fuel flow, and continuous fuel polishing. Unused fuel is filtered before being returned to the tank, helping maintain cleaner fuel throughout the system while reducing cavitation, galling, and scoring.
Key Features
- 165 or 100 gallon-per-hour flow rating supports stock and upgraded LML Duramax fuel systems
- Preset 8-10 PSI fuel pressure provides positive fuel supply to the CP4 injection pump
- Complete replacement fuel system
- 2-micron filtration removes fine contaminants before they reach the injection system
- Integrated water separation helps protect injectors and other fuel system components
- Patented air and vapor removal process supplies cleaner, de-aerated fuel to the engine
- FASS Whisper Technology (FWT) reduces pump operating noise without sacrificing fuel flow
- Performance Radius Cuts (PRC) improve internal fuel flow while reducing turbulence and restriction
- Mass Flow Return (MFR) technology continuously filters and polishes unused fuel before returning it to the tank
- Helps protect and extend the service life of injectors and injection system components
- Helps improve cold-weather starting and consistent fuel delivery
- Bolt-on mounting system simplifies installation
- Fuel lines and ports included
- Backed by the FASS limited lifetime warranty
Benefits
The FASS Titanium Signature Series Fuel System addresses one of the major limitations of the LML Duramax fuel system by supplying positive fuel pressure to the CP4 instead of requiring the injection pump to pull fuel under vacuum. Combined with advanced filtration, water separation, and air and vapor removal, the system helps reduce stress on fuel system components while providing cleaner and more consistent fuel delivery.
Fitment
Fits 2015-2016 Chevrolet Silverado and GMC Sierra models equipped with the 6.6L LML Duramax diesel engine.
What's Included
- FASS Titanium Signature Series fuel system
- Fuel filtration and water separation components
- Fuel lines and fittings
- Bolt-on mounting brackets
- Installation hardware
