5J8150 U-cup Rod Seal for Caterpillar Backhoe Loaders

5J8150 is a hydraulic U-cup rod seal used as a rod-sealing element in compatible Caterpillar backhoe loaders. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The seal is identified by the Caterpillar equipment part number 5J8150 and is listed for the backhoe loader models specified below. Its U-cup design corresponds to installation on the hydraulic cylinder rod side, where the seal is used to retain hydraulic fluid at the rod interface.

Fitment

The 5J8150 U-cup rod seal is used on the following Caterpillar backhoe loader models:

• Caterpillar 416B backhoe loader
• Caterpillar 416C backhoe loader
• Caterpillar 416D backhoe loader
• Caterpillar 420D backhoe loader
• Caterpillar 424D backhoe loader
• Caterpillar 426C backhoe loader
• Caterpillar 428B backhoe loader
• Caterpillar 428C backhoe loader
• Caterpillar 428D backhoe loader
• Caterpillar 432D backhoe loader

Compatibility is specified by the equipment model and the corresponding seal identification number. Before installation, the existing seal number and the dimensions of the seal groove should be compared with the replacement part.

Cross-reference numbers

The seal is known under the following equipment and supplier identification numbers:

• 5J8150
• 5J-8150
• 1672294

5J8150 and 5J-8150 represent the same base part number in different written formats. Number 1672294 is listed as an interchange number for this aftermarket seal.

Specifications