1979371 Piston Pin for Caterpillar Equipment

The 1979371 Piston Pin is a piston engine component used in equipment manufactured by Caterpillar. It is listed for Caterpillar motor graders, wheel-type loaders, industrial engines, ship equipment, and excavators. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The product is identified as a piston pin and is supplied under SKU 1979371. The available application information includes several Caterpillar equipment models and equipment categories. Compatibility should be checked against the machine model, serial number, and the part number installed in the engine before fitting.

Fitment

• Caterpillar Autograder 140G
• Caterpillar Wheel-Type Loader 950H
• Caterpillar Wheel-Type Loader 962H
• Caterpillar Industrial Engine C7
• Caterpillar Ship Equipment C7
• Caterpillar Excavator 325D L
• Caterpillar Excavator 329D L

The listed applications cover equipment using the Caterpillar C7 engine as well as the specified machine models. The fitment list includes both complete machines and engine or equipment application categories because the piston pin is used as an internal engine component.

For the Autograder 140G, Wheel-Type Loader 950H and 962H, Excavator 325D L and 329D L applications, the part is listed for the engine assembly used in the equipment. The C7 Industrial Engine and C7 Ship Equipment entries identify engine and equipment applications separately from the complete machine model listings.

Cross-reference numbers

• 1979371
• 197-9371

1979371 is the SKU and the unhyphenated part-number format shown for this piston pin. 197-9371 is the hyphenated number format associated with the same component. These numbers are used to identify the piston pin in parts searches and application checks.

The cross-reference information available for this product contains the two number formats listed above. No additional supplier numbers are included in the supplied product data.

Specifications

The stated dimensions are 11 cm in length, 5 cm in width, and 5 cm in depth. The listed weight is 1.4 lb. The supplied data does not specify the material, surface treatment, bore diameter, outside diameter, tolerance, retaining method, or the number of piston pins included; these parameters are therefore not stated here.

This description identifies the component by its part number, application, cross-reference formats, and recorded dimensions. The equipment model and engine application should be compared with the machine documentation to confirm the correct installation position and configuration.