Product Description
Upgrade your L5P Duramax with proven fuel delivery and filtration. The FASS TSPC15180F140G Titanium Signature Series PLUS delivers approximately 140 GPH at ~65–75 PSI for 2020–2023 GM 6.6L Duramax (stock to ~500 HP). It combines 2-micron absolute filtration, integrated water separation, and patented air/vapor removal to protect injectors and high-pressure pumps while improving drivability and fuel system longevity.
Fitment
- 2020–2023 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax L5P
- 2020–2023 GMC Sierra 2500HD/3500HD 6.6L Duramax L5P
- Application range: Stock–~500 HP; ~140 GPH flow; ~65–75 PSI.
Why this system
- 2-micron absolute filtration + water separation helps extend injector life.
- Removes entrained air/vapor; helps smooth idle and throttle response.
- ORB fittings, 6061 black-anodized hardware, black fuel line for a clean install.
- Backed by FASS limited lifetime warranty (with registration).
Installation Instructions
Download the official FASS Titanium Signature Series PLUS install manuals here:
- Titanium Signature Series PLUS Installation Manuals (FASS)
- TSP-F20 180F-140G / 220G / 240G PDF — covers 2020-up GM applications.
Specifications for Fass TSPC15180F140G
| Attribute | Value |
|---|---|
| Brand | FASS Fuel Systems |
| Part Number | TSPC15180F140G |
| Flow / Pressure | ~140 GPH @ ~65–75 PSI (approx.) |
| Supported Power | Stock to ~500 HP |
| Filtration | 2-micron absolute, integrated water separation |
| Vehicle Fitment | 2020–2023 GM 6.6L Duramax L5P (Silverado/Sierra 2500HD/3500HD) |
| UPC | Not specified by manufacturer |
| GTIN | Not specified by manufacturer |
| Shipping Weight / Dimensions | Not specified |
| Prop 65 | Yes — Cancer and Reproductive Harm: www.P65Warnings.ca.gov |
