Air Filters

Outer Air Filter - Replaces Toyota 177522054070 - PartsOnline
Outer Air Filter - Replaces Toyota 178022300071 - PartsOnline
Outer Air Filter - Replaces Toyota 1780123000071 - PartsOnline
Outer Air Filter - Replaces Toyota 1780112300171 - PartsOnline
Outer Air Filter - Replaces Toyota 187022300071 - PartsOnline
Outer Air Filter - Replaces Lull P12179 - PartsOnline
Outer Air Filter - Replaces Hyster 8821039 - PartsOnline
Outer Air Filter - Replaces Baker 150850151 - PartsOnline
Outer Air Filter - Replaces Baker 1458211 - PartsOnline
Outer Air Filter - Replaces Baker 9033DE1 - PartsOnline
Outer Air Filter - Replaces Baker 9033BM1 - PartsOnline
Outer Air Filter - Replaces Baker 104170 - PartsOnline
Inner Air Filter - Replaces Hyster 1620145 - PartsOnline
Inner Air Filter - Replaces Yanmar 11923312701 - PartsOnline
Inner Air Filter - Replaces XCMG 800155406 - PartsOnline
Inner Air Filter - Replaces Wacker Neuson 1000263252 - PartsOnline
Inner Air Filter - Replaces Wacker Neuson 1000261259 - PartsOnline
Inner Air Filter - Replaces Takeuchi T1911101342 - PartsOnline
Inner Air Filter - Replaces Power Boss 3330678 - PartsOnline
Inner Air Filter - Replaces Komatsu YM11923312700 - PartsOnline
Inner Air Filter - Replaces Hyundai XJAF02699 - PartsOnline
Inner Air Filter - Replaces Toro 1031326 - PartsOnline
Inner Air Filter - Replaces Komatsu 37A0111730 - PartsOnline
Inner Air Filter - Replaces JCB 335G1419 - PartsOnline
Inner Air Filter - Replaces Doosan 9213938 - PartsOnline
Inner Air Filter - Replaces Toyota 177912200070 - PartsOnline
Inner Air Filter - Replaces Toyota 177912200071 - PartsOnline
Air Filter - Replacement for Komatsu 17M-91-13530 - PartsOnline
Air Filter - Replacement for Komatsu 3EC-02-A5230 - PartsOnline
Air Filter - Replacement for John Deere FYD00001327 - PartsOnline
Air Filter - Replacement for Hitachi YD00001540 - PartsOnline
Air Filter - Replacement for TCM 256C1-08011 - PartsOnline
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Secondary Air Filter - Replacement for Bobcat 75687-4 - PartsOnline
Bobcat Secondary Air Filter - Replacement for Bobcat 75687-4
Sale price$84.66 Regular price$102.99
Save 31%
Outer Air Filter - Replacement for Bobcat 75686-6 - PartsOnline
Bobcat Outer Air Filter - Replacement for Bobcat 75686-6
Sale price$50.60 Regular price$72.99
Save 2%
Air Intake Filter - Replacement for Bobcat 7016382 - PartsOnline
Bobcat Air Intake Filter - Replacement for Bobcat 7016382
Sale price$39.99 Regular price$40.99
Primary Engine Air Filter - Replacement for Power Boss 3302842 - PartsOnline

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Air Filter Fitment and Compatibility

Air filters match to the air cleaner housing on your engine, so the OEM number on the old element is the reliable identifier. Common elements fit Bobcat loaders, including the outer air filter that replaces OEM 6598492, its inner safety element that replaces OEM 6598362, and the outer filter that replaces OEM 6666375 on larger frames. Coverage spans deep into John Deere, Allis-Chalmers, International, and New Holland tractor lines.

Outer and inner elements are a matched pair in most housings. The outer element does the filtering and takes the service interval, while the inner safety element guards the intake during outer element changes. Product pages list both the housing applications and the paired element where one exists.

Types of Replacement Air Filters

Conventional round elements seal against the housing ends and remain standard on older tractors and equipment. Radial seal elements grip the housing outlet tube directly, seat without wing nuts, and dominate modern designs. Inner safety elements sit inside the outer filter as the last line of defense and are replaced less frequently, typically every third outer element change.

Black smoke under load, power loss, and a triggered restriction indicator are the working signs of a loaded air filter. Dusty conditions shorten intervals dramatically, and tapping an element clean shortens its life rather than extending it, since the paper media tears at the pleats.