Air Filters

Primary Air Filter - Replacement for Fenwick 8100779 - PartsOnline
Fenwick Primary Air Filter - Replacement for Fenwick 8100779
$23.00
Primary Air Filter - Replacement for Ford 8020044 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 8020044
$23.00
Primary Air Filter - Replacement for Ford 9279108 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 9279108
$23.00
Primary Air Filter - Replacement for JLG 7004214 - PartsOnline
JLG Primary Air Filter - Replacement for JLG 7004214
$23.00
Primary Air Filter - Replacement for Clark 6598492 - PartsOnline
Clark Primary Air Filter - Replacement for Clark 6598492
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 6399597 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 6399597
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 6390504 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 6390504
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 6390050 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 6390050
$23.00
Primary Air Filter - Replacement for Terex 6001359 - PartsOnline
Terex Primary Air Filter - Replacement for Terex 6001359
$23.00
Primary Air Filter - Replacement for Koehring 8273242 - PartsOnline
Koehring Primary Air Filter - Replacement for Koehring 8273242
$23.00
Primary Air Filter - Replacement for New Holland 8257912 - PartsOnline
New Holland Primary Air Filter - Replacement for New Holland 8257912
$23.00
Primary Air Filter - Replacement for Yale 5158648 - PartsOnline
Yale Primary Air Filter - Replacement for Yale 5158648
$23.00
Primary Air Filter - Replacement for Ford 5011546 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 5011546
$23.00
Primary Air Filter - Replacement for New Holland 8248012 - PartsOnline
New Holland Primary Air Filter - Replacement for New Holland 8248012
$23.00
Primary Air Filter - Replacement for Ford 5011312 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 5011312
$23.00
Primary Air Filter - Replacement for Ford 8248012 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 8248012
$23.00
Primary Air Filter - Replacement for Ford 8220004 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 8220004
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 4842288 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 4842288
$23.00
Primary Air Filter - Replacement for Liebherr 7211197 - PartsOnline
Liebherr Primary Air Filter - Replacement for Liebherr 7211197
$23.00
Primary Air Filter - Replacement for JLG 7041496 - PartsOnline
JLG Primary Air Filter - Replacement for JLG 7041496
$23.00
Primary Air Filter - Replacement for Hitachi 4233318 - PartsOnline
Hitachi Primary Air Filter - Replacement for Hitachi 4233318
$23.00
Primary Air Filter - Replacement for Mustang 4203238 - PartsOnline
Mustang Primary Air Filter - Replacement for Mustang 4203238
$23.00
Primary Air Filter - Replacement for Mustang 4202891 - PartsOnline
Mustang Primary Air Filter - Replacement for Mustang 4202891
$23.00
Primary Air Filter - Replacement for Clark 6598361 - PartsOnline
Clark Primary Air Filter - Replacement for Clark 6598361
$23.00
Primary Air Filter - Replacement for Ford 3986750 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 3986750
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 6390550 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 6390550
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 6390507 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 6390507
$23.00
Primary Air Filter - Replacement for Hyster 3006519 - PartsOnline
Hyster Primary Air Filter - Replacement for Hyster 3006519
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 6230504 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 6230504
$23.00
Primary Air Filter - Replacement for Massey Ferguson 2863093 - PartsOnline
Massey Ferguson Primary Air Filter - Replacement for Massey Ferguson 2863093
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 2431634 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 2431634
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 2431633 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 2431633
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 2431632 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 2431632
$23.00
Primary Air Filter - Replacement for Hitachi 4996245 - PartsOnline
Hitachi Primary Air Filter - Replacement for Hitachi 4996245
$23.00
Primary Air Filter - Replacement for Vermeer 2146007 - PartsOnline
Vermeer Primary Air Filter - Replacement for Vermeer 2146007
$23.00
Primary Air Filter - Replacement for Allis-Chalmers 4996245 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 4996245
$23.00

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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.