Product Description
Upgrade your 2015–2016 Duramax 6.6L with the FASS TSPC12100G Titanium Signature Series Plus 100GPH fuel system. Engineered to deliver cleaner, air-free fuel, this system improves injector life, cold starts, throttle response, and overall reliability—while operating with FASS Whisper Technology for ultra-quiet performance.
- Flows 100 GPH – supports stock to ~600 HP builds
- 2-micron absolute filtration with built-in water separation
- Air/vapor removal to protect injectors and pump
- ORB fittings, black-anodized 6061 hardware, black fuel line
- Mass Flow Return (MFR) continually “polishes” fuel
- Bolt-on bracketry for clean, fast installation
- Limited lifetime warranty from FASS
Fitment
- 2015–2016 Chevrolet Silverado 2500/3500 HD – 6.6L Duramax (LML)
- 2015–2016 GMC Sierra 2500/3500 HD – 6.6L Duramax (LML)
- Configured for stock–600 HP applications
Installation Instructions
Find the latest installation manuals on the official FASS site here: FASS Installation Manuals.
Why CPP Diesel
- Diesel-focused experts with proven tech support
- Fast, free shipping in the lower 48
- Real inventory and accurate fitment guidance
Specifications for Fass TSPC12100G
| Attribute | Value |
|---|---|
| Brand | FASS Diesel Fuel Systems |
| Part Number | TSPC12100G |
| Flow Rate | 100 GPH (stock–600 HP) |
| Vehicle Fitment | 2015–2016 Chevy Silverado / GMC Sierra 2500HD–3500HD, 6.6L Duramax (LML) |
| Package Dimensions (W × H × D) | 14.00" × 11.50" × 18.00" |
| Shipping | Free Shipping (Lower 48) |
| UPC | Not provided by manufacturer |
| GTIN | Not provided by manufacturer |
| Warranty | Limited Lifetime (per FASS) |
| Prop 65 Warning | This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit P65Warnings.ca.gov. |
