Description
Genuine Paccar OEM primary air filter for 13″ RadialSeal air cleaner housings on Class 8 Kenworth and Peterbilt trucks. P614986 replaces Donaldson P625287 and supersedes Fleetguard AF27948. Cellulose media delivers 99.9% filtration efficiency to protect Cummins ISX/X15, Caterpillar C13/C15, and Paccar MX-13 engines from intake-side dust and debris.
Signs You Need a New Air Filter
- Air filter restriction indicator illuminated
- Reduced engine power or sluggish acceleration
- Decreased fuel economy without other explanation
- Visible soot, oil, or damage to the filter media
Specifications
| Manufacturer | Paccar (Genuine OEM) |
|---|---|
| Part Number | P614986 |
| Part Type | Primary Air Filter, RadialSeal |
| Housing Size | 13″ Preferred Fit |
| Outside Diameter | 11.10″ (282 mm) |
| Inside Diameter | 6.81″ (173 mm) |
| Length | 22.44″ (570 mm) |
| Media | Cellulose, 99.9% efficiency |
Cross References
This air filter replaces or is equivalent to the following part numbers:
- Donaldson: P625287
- Fleetguard: AF27948, AF4195
- Baldwin: RS5288, RS5288XP
- WIX: WA10009
- Luber-Finer: LAF6986
Applications
This air filter fits 13″ RadialSeal air cleaner housings on the following engines:
- Cummins ISX / X15 15L (EPA10+ era)
- Cummins ISX12 / X12 11.9L
- Cummins ISM 10.8L
- Caterpillar C13 / C15 / C15 ACERT
- Caterpillar C10 / C11 / C12 (older mechanical and ACERT)
- Paccar MX-13 12.9L
Representative vehicles using this filter:
- Kenworth W900 / W900B (Cummins ISX/X15, Cat C13/C15)
- Kenworth T800 / T800B (Cummins ISX/X15, Paccar MX-13)
- Peterbilt 389 (Cummins X15, Paccar MX-13)
- Peterbilt 388, 379, 378, 367, 357 (mixed Cat / Cummins / MX-13 fitments)
Verify your air cleaner housing size and configuration before ordering to confirm fitment.









