Description
Fleetguard AF26154 primary engine air filter for Freightliner M2 Business Class trucks and other medium-duty chassis with Cummins ISB, ISC, and ISL engines. Cellulose media with axial seal — aftermarket replacement for Donaldson P607955, Baldwin CA4700, Wix 42809, and Alliance ABP/N10G-P607955.
Specifications
| Manufacturer | Fleetguard (Cummins Filtration) |
|---|---|
| Part Number | AF26154 |
| Part Type | Primary Engine Air Filter |
| Filter Style | Round / Axial Seal |
| Filter Media | Cellulose |
| Outer Diameter | 12.81 in (325.4 mm) |
| Length | 8.00 in (203.2 mm) |
| Engine Compatibility | Cummins ISB, ISC, ISL (Freightliner M2 chassis) |
Cross References
This filter replaces or is equivalent to the following part numbers:
- Donaldson: P607955, P548070
- Baldwin: CA4700
- WIX: 42809
- Alliance (Daimler): ABP/N10G-P607955
- Carquest: 87809
- Champ: LAF3233
- Fram: CA10281
- Hastings: AF2376
- HiFi Filter: SA16714
- Luber-Finer: LAF3233
- NAPA: 2809
- Purolator: A35925
Applications
This air filter fits the following engines and chassis:
- Cummins ISB, ISC, ISL on-highway engines (Freightliner M2 chassis)
Representative vehicles using this filter:
- Freightliner M2 Business Class (106 / 112)
- Freightliner FL80 medium-duty conventional
- Western Star 4700 vocational chassis
- Thomas Saf-T-Liner C2 school bus (with Cummins ISB / ISC / ISL)
Verify your air-cleaner housing and existing filter dimensions before ordering — some M2 build configurations use a different (taller / radial seal) air filter.









