FK-4002AB Primary and Safety Air Filter Set
The FK-4002AB is a matched engine air filter set consisting of the FK-4002A primary element and the FK-4002B safety element.
The outer primary filter corresponds to the Komatsu 600-181-6820 family and established replacement references including Donaldson P181191, Fleetguard AF4838, Sakura A-5639, Baldwin PA2784 and MANN-FILTER C 23 635.
The inner safety element corresponds to 600-181-6730, with established replacements including Donaldson P522452, Fleetguard AF4896, Sakura A-5635, Baldwin PA3578 and MANN-FILTER CF 14 007 x.
Sakura identifies A-5639 and A-5635 as the matched primary and secondary elements and lists A-5654-S as the complete set. Komatsu and MANN also reference 600-181-6740 as a set number within this filter family.
600-181-6820 / 600-181-6730 Air Filter Cross Reference
| Brand | Primary / Outer Filter | Safety / Inner Filter |
|---|
| Komatsu | 600-181-6820 | 600-181-6730 |
| Donaldson | P181191 | P522452 |
| Fleetguard | AF4838 | AF4896 |
| MANN-FILTER | C 23 635 | CF 14 007 x |
| Sakura | A-5639 | A-5635 |
| Baldwin | PA2784 | PA3578 |
| WIX | 46749 | 46627 |
| HIFI FILTER | SA14788 | SA16452 |
| Luber-finer | LAF1768 | LAF8392 |
| Doosan / Daewoo | 2474-9053 / 2474-9053A | 2474-9054 / 2474-9054A |
| Caterpillar | 3I-0885 / 1153846 | 3I-0973 / 1153847 |
| Mitsubishi | ME033603 / ME033613 | ME033839 |
| Kobelco | 2451U324-3 / 2446R312S2 | 2446U249S1 |
| Kawasaki | 3098070070 / 3098170380 | 3098070080 / 3098170390 |
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