Product Description
Make your FASS Industrial Series install plug-and-play on late-model PACCAR MX-13 trucks that lack a frame-mounted water separator. The FASS PAK2001 kit adapts FASS return and feed lines to the factory fuel module and includes a new spring and PRF to bring operating pressure to ~12 PSI for proper system balance.
Fitment
- Engine/Platform: PACCAR MX-13 (late-model) on trucks without a frame-mounted water separator.
- Use case: Streamlines installs of FASS Industrial Series fuel/air separation systems on Class-8 applications.
Cross-Reference / Related FASS Items (CPP Diesel only)
- FASS PAK1001 — adapter kit variant for MX-13 with plastic quick-connect lines.
- FASS IND100G — Industrial Series 100 GPH system.
- FASS IND165G — Industrial Series 165 GPH system.
- FASS IND180F140G — Industrial Series 140 GPH system.
- Popular service parts: XWS3002 water separator, PF3001 particulate filter, FLP3000 filter pack.
Installation Instructions
Download current instructions at the FASS manuals hub: https://www.fassride.com/manuals
FAQs
What does PAK2001 do?
It adapts the FASS feed/return lines to the factory PACCAR fuel module on MX-13 trucks without a frame-mounted water separator, simplifying the install and ensuring proper connections.
Does it include pressure-regulating parts?
Yes—this kit includes a new spring and PRF designed to set operating pressure to about 12 PSI for the intended applications.
Which FASS systems pair with this kit?
It’s designed to be used with Industrial Series systems such as IND100G, IND165G, and IND180F140G.
What replacement filters should customers keep on hand?
FASS recommends keeping an XWS3002 water separator and a PF3001 particulate filter; shops often stock the FLP3000 6-pack.
Specifications for Fass PAK2001
| Attribute | Value |
|---|---|
| Brand | FASS Fuel Systems |
| Part Number | PAK2001 |
| Application | PACCAR MX-13 (late-model), trucks without frame-mounted water separator |
| Includes | Adapter fittings; new spring & PRF to ~12 PSI; hardware as pictured |
| UPC | 850044137305 |
| GTIN | 00850044137305 |
| Package Dimensions (W×H×D) | 4.00" × 9.00" × 4.00" |
| Shipping | Calculated at Checkout |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
