Product Description
FASS PAK1001 PACCAR FUEL LINE ADAPTER KIT
The FASS PAK1001 is a dedicated Paccar fuel line adapter kit that makes installing a FASS Diesel Fuel System on late-model Paccar MX-13 platforms straightforward. It adapts the FASS suction and feed lines to the OEM plastic quick-connect fuel lines and bypasses the factory Paccar water separator housing for a clean, reliable connection.
Fitment & System Notes
- Engine: Paccar MX-13 (late-model applications using plastic quick-connect fuel lines).
- Function: Adapts FASS feed/suction to OEM quick-connects; bypasses the OE water separator housing.
- Use case: Commonly paired with FASS Industrial Series systems on Class-8 installs.
Installation & Manuals
Find the latest instructions on FASS’s manuals portal: FASS Installation Manuals.
Cross-Reference & Related FASS Items (CPP Diesel)
- FASS PAK2001 Paccar Fuel Line Adapter Kit — variant for trucks without a frame-mounted water separator.
- FASS STK1002 Suction Tube Kit (5/8") — popular bulkhead pickup upgrade.
- FASS STK1005 Suction Tube Kit (Viton) — Viton line option.
- Service filters for FASS systems: XWS3002 Extreme Water Separator, PF3001 Particulate Filter, FLP3000 Filter Pack.
FAQ
What does PAK1001 include?Two adapter fittings to connect FASS suction and feed lines to the factory Paccar quick-connect fuel lines, enabling a bypass of the OE water separator housing.
Which engines is this kit intended for?
Late-model Paccar MX-13 applications using plastic quick-connect fuel lines.
Will this work without a sump?
Yes; the kit adapts to the factory quick-connect module. Many installers also add a suction tube kit like STK1002 or STK1005 depending on the tank setup.
Do I still use the factory water separator?
No—the adapter bypasses the factory water separator housing as part of the conversion.
Specifications for Fass PAK1001
| Brand | FASS Fuel Systems |
| Part Number | PAK1001 |
| Engine Compatibility | Paccar MX-13 (late-model with plastic quick-connect fuel lines) |
| Includes | Two adapter fittings for FASS feed/suction line connections |
| Function | Adapts to OEM quick-connects; bypasses factory water separator housing |
| UPC | 850044106790 |
| GTIN | 0850044106790 |
| Package Dimensions | 4.00" W × 4.00" H × 4.00" D |
| Shipping | Calculated at Checkout |
| Prop 65 | Yes — Cancer and Reproductive Harm |
