7I8172 Ring Back Up for Caterpillar — SKU 7I8172

7I8172 is a backup ring used in transmission seal ring applications on Caterpillar equipment. The part is used with Caterpillar engines and excavators, including the 3306, C13 and C9 engine applications and the listed 330D and 336D excavator series. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The available application data identifies the following Caterpillar equipment models and machine series:

• Caterpillar 3306 engine applications
• Caterpillar C-13 engine applications
• Caterpillar C13 engine applications
• Caterpillar C9 engine applications
• Caterpillar 330D excavators
• Caterpillar 330D L excavators
• Caterpillar 330D LN excavators
• Caterpillar 330D MH excavators
• Caterpillar 336D excavators
• Caterpillar 336D L excavators

Fitment should be confirmed by comparing the part number and the machine or engine identification before installation. The listed models represent the applications provided for this part; the available data does not specify a production year, serial-number range, or individual machine configuration.

Cross-reference numbers

7I8172 and 7I-8172 identify the same part number in the available product data. No additional supplier reference numbers are specified.

Specifications

The dimensions are provided as listed product dimensions. The available data does not identify the ring material, inner diameter, outer diameter, cross-section, hardness, thread specification, or any components supplied with the part.