Air Filters

Primary Air Filter - Replacement for Allis-Chalmers 257966 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 257966
$22.21
Primary Air Filter - Replacement for Allis-Chalmers 257597 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 257597
$22.21
Primary Air Filter - Replacement for Ford 616720 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 616720
$17.00
Primary Air Filter - Replacement for Ford 254521 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 254521
$17.00
Primary Air Filter - Replacement for Ford 616520 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 616520
$17.00
Primary Air Filter - Replacement for Allis-Chalmers 250699 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 250699
$22.21
Primary Air Filter - Replacement for Manitou 554435 - PartsOnline
Manitou Primary Air Filter - Replacement for Manitou 554435
$22.21
Primary Air Filter - Replacement for Hitachi 239518 - PartsOnline
Hitachi Primary Air Filter - Replacement for Hitachi 239518
$22.21
Primary Air Filter - Replacement for Jacobsen 549593 - PartsOnline
Jacobsen Primary Air Filter - Replacement for Jacobsen 549593
$17.00
Primary Air Filter - Replacement for Allis-Chalmers 239516 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 239516
$22.21
Primary Air Filter - Replacement for Thermo King 522968 - PartsOnline
Thermo King Primary Air Filter - Replacement for Thermo King 522968
$17.00
Primary Air Filter - Replacement for Allis-Chalmers 239513 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 239513
$22.21
Primary Air Filter - Replacement for Allis-Chalmers 235918 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 235918
$22.21
Primary Air Filter - Replacement for Ingersoll Rand 434931 - PartsOnline
Ingersoll Rand Primary Air Filter - Replacement for Ingersoll Rand 434931
$22.21
Primary Air Filter - Replacement for New Holland 198492 - PartsOnline
New Holland Primary Air Filter - Replacement for New Holland 198492
$22.21
Primary Air Filter - Replacement for International 389290 - PartsOnline
International Primary Air Filter - Replacement for International 389290
$22.21
Primary Air Filter - Replacement for Ditch Witch 195682 - PartsOnline
Ditch Witch Primary Air Filter - Replacement for Ditch Witch 195682
$17.00
Primary Air Filter - Replacement for Clark 335498 - PartsOnline
Clark Primary Air Filter - Replacement for Clark 335498
$22.21
Primary Air Filter - Replacement for Ditch Witch 195671 - PartsOnline
Ditch Witch Primary Air Filter - Replacement for Ditch Witch 195671
$17.00
Primary Air Filter - Replacement for Ditch Witch 195427 - PartsOnline
Ditch Witch Primary Air Filter - Replacement for Ditch Witch 195427
$17.00
Primary Air Filter - Replacement for Hyster 324376 - PartsOnline
Hyster Primary Air Filter - Replacement for Hyster 324376
$22.21
Primary Air Filter - Replacement for Manitou 169468 - PartsOnline
Manitou Primary Air Filter - Replacement for Manitou 169468
$22.21
Primary Air Filter - Replacement for Toro 277110 - PartsOnline
Toro Primary Air Filter - Replacement for Toro 277110
$17.00
Primary Air Filter - Replacement for Hitachi 257597 - PartsOnline
Hitachi Primary Air Filter - Replacement for Hitachi 257597
$22.21
Primary Air Filter - Replacement for Hyster 125846 - PartsOnline
Hyster Primary Air Filter - Replacement for Hyster 125846
$22.21
Primary Air Filter - Replacement for Hyster 123730 - PartsOnline
Hyster Primary Air Filter - Replacement for Hyster 123730
$22.21
Primary Air Filter - Replacement for Gehl 88360 - PartsOnline
Gehl Primary Air Filter - Replacement for Gehl 88360
$22.21
Primary Air Filter - Replacement for Massey Ferguson 246918 - PartsOnline
Massey Ferguson Primary Air Filter - Replacement for Massey Ferguson 246918
$17.00
Primary Air Filter - Replacement for Gehl 55017 - PartsOnline
Gehl Primary Air Filter - Replacement for Gehl 55017
$22.21
Primary Air Filter - Replacement for Ingersoll Rand 43493 - PartsOnline
Ingersoll Rand Primary Air Filter - Replacement for Ingersoll Rand 43493
$22.21
Primary Air Filter - Replacement for Yale 33104 - PartsOnline
Yale Primary Air Filter - Replacement for Yale 33104
$17.00
Primary Air Filter - Replacement for Ford 217490 - PartsOnline
Ford Primary Air Filter - Replacement for Ford 217490
$22.21
Primary Air Filter - Replacement for Kalmar 30101 - PartsOnline
Kalmar Primary Air Filter - Replacement for Kalmar 30101
$22.21
Primary Air Filter - Replacement for Allis-Chalmers 25796 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 25796
$22.21
Primary Air Filter - Replacement for Manitou 9865 - PartsOnline
Manitou Primary Air Filter - Replacement for Manitou 9865
$22.21
Primary Air Filter - Replacement for Hyster 179931 - PartsOnline
Hyster Primary Air Filter - Replacement for Hyster 179931
$22.21

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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.