

AF25492 AF25491 Air Filter Set
The NAKATU AF25492 AF25491 is a dual-element engine air filter set designed for compatible agricultural tractors, construction machinery and industrial diesel equipment. The primary element helps capture airborne dust and dirt, while the secondary safety element provides an additional protective barrier against contaminants entering the engine intake system. The set supports routine maintenance of compatible two-element air cleaner assemblies.
Specifications
- Model:
- NAKATU AF25492 AF25491 Air Filter Set
- Product Type:
- air filter
- Replaces:
- Fleetguard AF25492 + AF25491 Donaldson P777638 + P777639 Baldwin RS3734 / RS3884 + RS3885 WIX 46761 + 46766 HIFI-FILTER SA16114 + SA16115 MANN-FILTER C 21630/1 + CF 1140/2
- Applicable engine number:
- Case IH Puma 125; New Holland T7.170 / T7.185 / T7.200; selected Caterpillar 924G loaders. Verify serial number, engine and air cleaner housing.
- Key Specifications:
- Primary AF25492: Height 421 mm; Largest OD 208 mm Secondary AF25491: Height 404.5 mm; Largest OD 109 mm
- OEM Part Numbers:
- Case IH 87300179 / W3150514 Caterpillar 1304678 / 1527217 (Primary) Caterpillar 1304679 / 1527219 (Secondary) New Holland 82034619 / 82034622 (verify configuration) JCB 32912901 / 32912902
- Complete primary and secondary air filter combination.
- Designed for compatible two-element air cleaner assemblies.
- Helps reduce dust and particulate contamination entering the engine.
- Applicable Regions: North America, Europe, South America, Southeast Asia, South Pacific, Mexico and Central America.



