1113203 Seal Kit Fits Caterpillar Models
1113203 Seal Kit Fits Caterpillar Models
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One New Aftermarket Replacement Seal Kit for Caterpillar (Cat) Heavy Equipment
This aftermarket replacement seal kit replaces Caterpillar (Cat) OEM part number 1113203 (111-3203). Seal kits are used to restore hydraulic integrity by replacing worn or damaged seals, O-rings, and wipers, preventing fluid leaks and extending the service life of critical hydraulic and drivetrain components. Verify your machine's model and serial number before ordering to confirm fitment.
Compatible Models
Caterpillar Excavators: 349E, 349E L, 349E L HVG, 349E L VG, 349F L
Caterpillar Haul Trucks / Off-Highway Trucks: 769D, 771D, 773D, 773F, 775D, 775F, 777F, 785B, 785C, 785D, 789B, 789C, 789D, 793B, 793C
Caterpillar Tractors: 784B, 784C
Caterpillar Track Loaders: 973C, 973D
Caterpillar Track-Type Tractors: D5M, D6R II, D6R III, D6T, D8L, D9N, D9R, D10R
Caterpillar Industrial / Power Engines: 3516B, C-10, C-12, C-15
Caterpillar Petroleum / Transmission: CX31-C13I, CX31-C15I, CX31-C18I, CX31-C9I, CX31-P600, CX31
Replaces Part Number(s):
1113203, 111-3203
New aftermarket replacement part - not remanufactured, not used.



