Description
The Fleetguard AF27906 is a primary round-oval air filter for Cummins Onan Quiet Diesel RV and commercial generators, replacing Onan 140-2897 with a 4 7/16″ to 6 19/32″ tapered profile and 4 1/16″ length. It drops directly into the factory air cleaner housing on HDKAH, HDKAJ, and HDKAK series gensets and is rated for a 500-hour service interval under normal duty.
Specifications
| Manufacturer | Fleetguard / Cummins Filtration |
|---|---|
| Part Number | AF27906 |
| Part Type | Primary Air Filter (round-oval) |
| Outer Diameter | 4 7/16″ (112.7 mm) to 6 19/32″ (167.5 mm) |
| Length | 4 1/16″ (103.2 mm) |
| Service Interval | 500 hours (typical) |
Cross References
This air filter replaces or is equivalent to the following part numbers:
- Cummins Onan: 140-2897 (1402897)
- Baldwin: PA5658
- WIX: 49697
- Fram: CA11094
- Luber-finer: LAF5978
- Carquest: 83697
- HIFI Filter: SA12427
Applications
This air filter fits the following Cummins Onan generator series:
- Cummins Onan HDKAH Quiet Diesel
- Cummins Onan HDKAJ Quiet Diesel
- Cummins Onan HDKAK Quiet Diesel
- Cummins Onan HQDPA, HQDPC commercial generators
Representative platforms using these gensets:
- Class A and Class C diesel motorhomes
- Marine and mobile commercial generator installations
Verify your generator model number and air cleaner housing before ordering to confirm fitment.









