128781A1 Air Filter For Case

The 128781A1 is a primary engine outer air filter used predominantly in CASE Construction and Case IH heavy machinery. It works to clean incoming air before it reaches the engine, preventing dust, dirt, and debris from causing premature engine wear.

Dimensions (Approximate):

Outer Diameter (OD): 137.3 mm (5 13/32 inches)

Inner Diameter (ID): 81.0 mm (3 3/16 inches)

Length/Height: 392.9 mm (15 15/32 inches)

Paired Component: It is standard practice to replace this alongside its inner safety filter partner, part number 128782A1.

This filter is commonly installed on machines running Cummins 3.9L (4-390 / 4T-390) engines:

Backhoe Loaders: 580L, 580M, 580 Super L (580SL), 580 Super M, 580SLE, 590L, 590 Super L (590SL)

Skip Loaders / Tractors: 570L, 570LXT, 570MXT, 570M

Crawler Dozers: 550G

Forklifts / Lift Trucks: 584E, 584G, 585E, 585G, 586E, 586G, 588G

Cross-Reference:

Donaldson: P536940

Fleetguard: AF25524

Baldwin: RS3708

WIX: 46662

Sakura: A-8516

Mann Filter: C14230

128781A1 Air Filter For Case

128781A1 Air Filter