2778995 Seal-Lip Type Fits Caterpillar Models

One New Aftermarket Replacement Seal-Lip Type for Caterpillar (Cat) Engines and Equipment

This lip-type oil seal helps prevent oil leakage and keeps contaminants out of critical engine and drivetrain assemblies on a wide range of Caterpillar (Cat) equipment. It is a direct replacement for Caterpillar OEM part number 2778995, also cataloged as 4K7463 and 1M3003, and is used across Cat diesel engines, motor graders, articulated trucks, and other heavy construction machines.

Specifications

• Part Type: Lip-Type Oil Seal
• Weight: approximately 0.17-0.20 lbs
• Application: Engine and hydraulic sealing systems

Compatible Models

Caterpillar Engines: 3116, 3126, 3126B, 3176C, 3208, 3304, 3306, 3406, 3406B, 3406C, 3508B, C-9

Caterpillar Motor Graders: 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14G, 14H, 14H NA, 14M, 160G, 160H, 160H ES, 160H NA, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA

Caterpillar Articulated Trucks: D35HP, D400, D44B, D550B

Caterpillar Industrial Tractors: HA771, HA871, TK371, TK381

Caterpillar Landfill Compactors: 816

Caterpillar Load Haul Dump: R1700 II, R1700G, R2900, R2900G, R3000H

Replaces Part Number(s):

2778995, 4K7463, 1M3003

Aftermarket Interchange Numbers

7F5921, 8M8953, 4728007

New aftermarket replacement part - not remanufactured, not used.