One New Aftermarket Replacement Air Filter Fits Caterpillar (Fits CAT) ExcavatorsThis aftermarket replacement engine air filter protects the engine intake system on Fits Caterpillar crawler excavators, keeping dirt, dust, and debris out of the engine to maintain performance and extend engine life. Replaces OEM Fits Caterpillar part number 1P9376 and several common aftermarket cross-references including PA1634 and AF335.Specifications Inside Diameter: 6-23/32 in. (170.7 mm) Outside Diameter: 11-1/8 in. (282.6 mm) Length: 13-1/2 in. (342.9 mm) Compatible ModelsFits Caterpillar Excavators: 120, 120B, 120E, 12E, 12F, 140, 140B, 140G, 215, 215B, 215B-LC, 215C, 215D, 219, 219D, 225, 225B, 225B-LC, 225D, 225D LC Series, 229, 229D, E240, E300, EL240, EL300, W36Replaces Part Number(s):1P9376, 4M9334, 7W5317, 7W5317-A, 8N5317, 8N5317-A, PA1634, PA1634-A, RAPAF1200Aftermarket Interchange NumbersAF335, AF335M EQNew aftermarket replacement part - not remanufactured, not used.