Product Description
No-Drop install for 2020–2023 L5P Duramax—high-flow fueling for 500–900 HP builds. The FASS NDTSC15250F220G pairs a Titanium Signature Series 250F/220 GPH/70–75 PSI fuel system (TSC15250F220G) with the SK5501 fuel sump so you don’t have to drop the tank. It delivers cleaner, de-aerated fuel to protect injectors and sustain higher power levels with whisper-quiet operation.
Fitment
- Engine/Years: 2020–2023 GM/Chevy Duramax 6.6L (L5P) — Silverado/Sierra 2500/3500
- Output Range: 500–900 HP
- System Rating: 220 GPH @ ~70–75 PSI (250 Free Flow)
What’s Included
- FASS Titanium Signature Series Fuel System — TSC15250F220G
- FASS Fuel Sump Kit — SK5501 (enables no-tank-drop install)
- Vehicle-specific plumbing, hardware, and wiring
Why Upgrade
- Removes entrained air/vapor for smoother idle and throttle response
- >99% water removal; absolute 2-micron filtration for injector protection
- Heater-ready ports for cold climates (add-on kit available)
- Supports heavy fueling and tuning on L5P platforms
Cross-Reference / Related FASS Items (CPP Diesel only)
- FASS NDTSC15180F140G No-Drop Series (Stock–500 HP)
- FASS NDTSPC15250F220G No-Drop Series Plus (500–900 HP)
- FASS NDTSPC15290F240G No-Drop Series Plus (900–1200 HP)
- FASS PF3001XL Extended-Length Particulate Filter
- FASS XWS3002XL Extended-Length Extreme Water Separator
- FASS HK1001 Electric Heater Kit & HKS1001 Dual-Heater Splitter
Installation Instructions
Download the latest FASS manuals here: FASS Installation Manuals (see Titanium Signature Series / NDTSC15250F220G).
FAQs
Do I need to drop the fuel tank?
No—this No-Drop kit includes the SK5501 sump so you can install without removing the tank, reducing time and complexity.
How much power will this support?
The TSC15250F220G system supports roughly 500–900 HP on L5P platforms when paired with proper fueling/tuning.
Which filters should I stock for maintenance?
Use the PF3001XL (particulate) and XWS3002XL (water separator). Replace at the intervals recommended by FASS.
Is a heater required in winter?
Not required, but highly recommended for harsh climates. Add the HK1001 heater; for dual heaters use the HKS1001 splitter.
Specifications for Fass NDTSC15250F220G
| Attribute | Value |
|---|---|
| Brand | FASS Fuel Systems |
| Part Number | NDTSC15250F220G (includes TSC15250F220G + SK5501) |
| UPC | Not specified by manufacturer |
| GTIN | Not specified by manufacturer |
| Flow / Pressure | 220 GPH / ~70–75 PSI |
| Vehicle Fitment | 2020–2023 Silverado/Sierra 2500/3500 6.6L L5P |
| Shipping Weight (approx.) | 28–33 lb (boxed) |
| Package Dimensions (approx.) | ~17–18" L × 13–14" W × 11–11.5" H |
| Shipping Method | Ground (standard) |
| Prop 65 | WARNING: Cancer and Reproductive Harm |
