5J8157 Piston Wear Ring for Caterpillar Equipment

The 5J8157 is a piston wear ring used in Caterpillar tracked bulldozers and track loaders. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed in the Piston Ring Sets category and is intended for installation in the piston assembly of the compatible Caterpillar machine models specified below. The equipment brand referenced for fitment is Caterpillar; Caterpillar is the manufacturer of the machines on which this part is used.

Fitment

The 5J8157 piston wear ring is listed for the following Caterpillar equipment models and machine series:

• Tracked bulldozers: Caterpillar 5A
• Tracked bulldozers: Caterpillar 5S
• Tracked bulldozers: Caterpillar 6A
• Tracked bulldozers: Caterpillar 6S
• Tracked bulldozers: Caterpillar 8SU
• Tracked bulldozers: Caterpillar 8A
• Tracked bulldozers: Caterpillar 8U
• Tracked bulldozers: Caterpillar D6R
• Tracked bulldozers: Caterpillar D6R II
• Tracked bulldozers: Caterpillar D7R
• Tracked bulldozers: Caterpillar D7R II
• Tracked bulldozers: Caterpillar D8N
• Track loaders: Caterpillar 951B
• Track loaders: Caterpillar 951C

Fitment should be checked against the machine model, serial number, and the part number marked in the existing assembly before installation. The model list above reflects the equipment applications provided for part number 5J-8157.

Cross-reference numbers

The piston wear ring is identified by the following part number formats:

• SKU: 5J8157
• Part number: 5J-8157

These two formats refer to the same listed part number. No additional supplier or equipment-manufacturer cross-reference numbers are specified in the available product data.

Specifications

The dimensional values are stated in the units provided for this part. The ring width, outside diameter, and inner diameter are the component dimensions; the length, width, depth, and weight are listed as product details in the available data.