Air Filters

Primary Air Filter - Replacement for Allis-Chalmers 4789026 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 4789026
$31.05
Primary Air Filter - Replacement for Hitachi 4273091 - PartsOnline
Hitachi Primary Air Filter - Replacement for Hitachi 4273091
$31.05
Primary Air Filter - Replacement for Hyster 1320263 - PartsOnline
Hyster Primary Air Filter - Replacement for Hyster 1320263
$31.05
Primary Air Filter - Replacement for Allis-Chalmers 1167808 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 1167808
$31.05
Primary Air Filter - Replacement for Hitachi 4001430 - PartsOnline
Hitachi Primary Air Filter - Replacement for Hitachi 4001430
$31.05
Primary Air Filter - Replacement for Allis-Chalmers 1167807 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 1167807
$31.05
Primary Air Filter - Replacement for JCB 3201074 - PartsOnline
JCB Primary Air Filter - Replacement for JCB 3201074
$31.05
Primary Air Filter - Replacement for Allis-Chalmers 1143747 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 1143747
$31.05
Primary Air Filter - Replacement for Hyster 3125077 - PartsOnline
Hyster Primary Air Filter - Replacement for Hyster 3125077
$31.05
Primary Air Filter - Replacement for Hyster 3040062 - PartsOnline
Hyster Primary Air Filter - Replacement for Hyster 3040062
$31.05
Primary Air Filter - Replacement for Hyster 3000526 - PartsOnline
Hyster Primary Air Filter - Replacement for Hyster 3000526
$31.05
Primary Air Filter - Replacement for Hyster 3000329 - PartsOnline
Hyster Primary Air Filter - Replacement for Hyster 3000329
$31.05
Primary Air Filter - Replacement for Atlas Weyhausen 2654548 - PartsOnline
Atlas Weyhausen Primary Air Filter - Replacement for Atlas Weyhausen 2654548
$31.05
Primary Air Filter - Replacement for CAT 1033229 - PartsOnline
CAT Primary Air Filter - Replacement for CAT 1033229
$31.05
Primary Air Filter - Replacement for Massey Ferguson 1024947 - PartsOnline
Massey Ferguson Primary Air Filter - Replacement for Massey Ferguson 1024947
$31.05
Primary Air Filter - Replacement for Allis-Chalmers 2072636 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 2072636
$31.05
Primary Air Filter - Replacement for Hitachi 886525 - PartsOnline
Hitachi Primary Air Filter - Replacement for Hitachi 886525
$31.05
Primary Air Filter - Replacement for Clark 1803991 - PartsOnline
Clark Primary Air Filter - Replacement for Clark 1803991
$31.05
Primary Air Filter - Replacement for Allis-Chalmers 1678083 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 1678083
$31.05
Primary Air Filter - Replacement for Clark 1622085 - PartsOnline
Clark Primary Air Filter - Replacement for Clark 1622085
$31.05
Primary Air Filter - Replacement for Clark 792340 - PartsOnline
Clark Primary Air Filter - Replacement for Clark 792340
$31.05
Primary Air Filter - Replacement for Hitachi 1167807 - PartsOnline
Hitachi Primary Air Filter - Replacement for Hitachi 1167807
$31.05
Primary Air Filter - Replacement for CAT 780070 - PartsOnline
CAT Primary Air Filter - Replacement for CAT 780070
$31.05
Primary Air Filter - Replacement for New Holland 721779 - PartsOnline
New Holland Primary Air Filter - Replacement for New Holland 721779
$31.05
Primary Air Filter - Replacement for Allis-Chalmers 721779 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 721779
$31.05
Primary Air Filter - Replacement for CAT 689401 - PartsOnline
CAT Primary Air Filter - Replacement for CAT 689401
$31.05
Primary Air Filter - Replacement for Allis-Chalmers 1140888 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 1140888
$31.05
Primary Air Filter - Replacement for Massey Ferguson 1088215 - PartsOnline
Massey Ferguson Primary Air Filter - Replacement for Massey Ferguson 1088215
$31.05
Primary Air Filter - Replacement for CAT 688491 - PartsOnline
CAT Primary Air Filter - Replacement for CAT 688491
$31.05
Primary Air Filter - Replacement for JLG 1071279 - PartsOnline
JLG Primary Air Filter - Replacement for JLG 1071279
$31.05
Primary Air Filter - Replacement for Yale 664587 - PartsOnline
Yale Primary Air Filter - Replacement for Yale 664587
$31.05
Primary Air Filter - Replacement for Yale 664579 - PartsOnline
Yale Primary Air Filter - Replacement for Yale 664579
$31.05
Primary Air Filter - Replacement for Yale 664577 - PartsOnline
Yale Primary Air Filter - Replacement for Yale 664577
$31.05
Primary Air Filter - Replacement for Clark 997239 - PartsOnline
Clark Primary Air Filter - Replacement for Clark 997239
$31.05
Primary Air Filter - Replacement for Allis-Chalmers 659388 - PartsOnline
Allis-Chalmers Primary Air Filter - Replacement for Allis-Chalmers 659388
$31.05
Primary Air Filter - Replacement for Towmotor 971293 - PartsOnline
Towmotor Primary Air Filter - Replacement for Towmotor 971293
$31.05

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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.