2124477 Air Filter Fits Caterpillar Models

One New Aftermarket Replacement Secondary Engine Air Filter for Caterpillar (Cat) Industrial and Marine Engines

This aftermarket replacement secondary engine air filter (Caterpillar part number 212-4477 / 2124477) serves as the last line of defense against dust, dirt, and airborne contaminants that can damage precision engine components. It is used in conjunction with the 212-4478 primary air filter element and features a radial seal design with standard efficiency filtration media. Compatible with Caterpillar 3054, 3054C, 3056, and C4.4 series engines across industrial and marine applications.

Specifications

• Filter Type: Secondary Engine Air Filter Element
• Efficiency Rating: Standard Efficiency
• Seal Type: Radial Seal
• Used With: 212-4478 Primary Air Filter
• Approximate Dimensions: Outer Diameter 94.6 mm (3.72 in), Inner Diameter 74.1 mm (2.92 in), Length 339.5 mm (13.37 in)

Compatible Models

Caterpillar Industrial Engines: 3054, 3054C

Caterpillar Marine Engines: 3054, 3056

Caterpillar Engine Series: C4.4

Caterpillar Excavators: 311B, 311C, 311D, 312B, 312C, 312D, 312D2, 313D, 313D2, 314C, 314D

Replaces Part Number(s):

212-4477, 2124477

Aftermarket Interchange Numbers

Donaldson P828889, WIX 46562, WIX 93326E, Fleetguard AF25557, Fleetguard AF25292, Fleetguard AF25352, Mann-Filter C 17 337/2, Baldwin RS3544, Hengst E434L, Fram CA5741, Fram CA8737, HiFi Filter SA16580

New aftermarket replacement part - not remanufactured, not used.