1136303 FKM O-Ring for Caterpillar Equipment

The 1136303 FKM O-ring is a standard sealing ring used in Caterpillar equipment. It is intended for axial or radial sealing applications where the seal separates fluid or lubricant from the surrounding environment and helps prevent leakage and contamination. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The sealing element is made from FKM fluoroelastomer and is identified by Caterpillar part number 113-6303. The supplied part is a single standard O-ring with a black finish and no additional coating.

Fitment

The O-ring is listed for the following Caterpillar equipment categories and models:

• Caterpillar Engine – Machine
• Caterpillar Engineer Support Tractor
• Caterpillar Engine – Industrial
• Caterpillar Off-Highway Truck
• Caterpillar Engine – Truck
• Caterpillar 3126
• Caterpillar C175
• Caterpillar C175-
• Caterpillar 30/30
• Caterpillar Deuce
• Caterpillar 793F
• Caterpillar 795F AC
• Caterpillar 797F
• Caterpillar 3116

Application of the O-ring depends on the sealing location and the specific configuration of the machine or engine. The equipment and model information above is the listed fitment data for part number 1136303.

Cross-reference numbers

• 1136303
• 113-6303

Part number 113-6303 is the hyphenated format of 1136303. Both numbers identify the same O-ring reference in the supplied product data.

Specifications

The dimensions listed above are the product data supplied for this reference. The inch measurements identify the O-ring section and diameter, while the centimetre values are listed as package or item dimensions in the available specifications.