Description
Genuine Paccar K37-1022 extended-length fuel/water separator element for 2017+ Paccar MX-11 and MX-13 EPA17 engines. The long version of K37-1012, with a 30-micron primary rating that protects the high-pressure common rail fuel system from particulates and water carryover. Replaces Fleetguard FS20208, Baldwin PF46237, and Donaldson P583176, and is the OEM-spec service element for Kenworth T680/T880 and Peterbilt 567/579 trucks running EPA17 MX engines.
Specifications
| Manufacturer | Paccar (Genuine OEM) |
|---|---|
| Part Number | K37-1022 |
| Part Type | Fuel/Water Separator Element |
| Engine Compatibility | Paccar MX-11, MX-13 (EPA17, 2017-present) |
| Micron Rating | 30 micron |
| Length | Extended (long version of K37-1012) |
| Seals | Viton |
Cross References
This part replaces or is equivalent to the following part numbers:
- Fleetguard: FS20208
- Baldwin: PF46237
- Donaldson: P583176
- Racor: R61716XL30
- Luber-Finer: L5115F
- WIX: WF10518
Applications
This fuel/water separator fits the following engines:
- Paccar MX-11 (EPA17, 2017-present)
- Paccar MX-13 (EPA17, 2017-present)
Representative vehicles using these engines:
- Kenworth T680, T880 (2017-present)
- Peterbilt 567, 579, 389 (2017-present)
Verify engine emissions level (EPA17 vs earlier) and engine serial before ordering — the K37-1012 short element is a different SKU.
