1057393 Ring Back Up fit Caterpillar
1057393 Ring Back Up fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
Ring Back Up 1057393
Ring Back Up 1057393 is a transmission seal ring used in Caterpillar equipment. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is identified as a back-up ring for a sealing application. The available fitment information lists Caterpillar excavator models from the 315-A and 317 series. The model designation and part-number references below are taken from the available product data.
Fitment
- Caterpillar excavator 315-A
- Caterpillar excavator 315-A L
- Caterpillar excavator 317 N
- Caterpillar excavator 317-A
- Caterpillar excavator 317-A N
Fitment is specified for the models listed above. The available data does not identify a separate machine position, transmission assembly, or installation location for this ring.
Cross-reference numbers
- 1057393
- 105-7393
1057393 is the SKU format supplied for this part. 105-7393 is the hyphenated part-number format shown for the same ring in the equipment part-number data.
Specifications
| Part type | Ring Back Up |
| Category | Transmission Seal Rings |
| Equipment manufacturer | Caterpillar |
| Material | Polyamide |
| Cross-section width | 0.07 in |
| Cross-section height | 0.19 in |
| Inner diameter | 3.75 in |
| Weight | 0.1 lb |
| Listed length | 10.5 cm |
| Listed width | 10.5 cm |
| Listed depth | 0.2 cm |
The cross-section width, cross-section height, and inner diameter are the dimensional values provided for the ring. The length, width, and depth values are listed separately in the product data and are not identified there as additional ring dimensions or installation dimensions.





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