618639 O-Ring Seal fit Caterpillar
618639 O-Ring Seal fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
618639 O-Ring Seal for Caterpillar Equipment
618639 is an O-ring seal used in sealing applications on Caterpillar equipment. The seal is manufactured from FKM fluoroelastomer and is supplied without a coating. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The supplied part is identified as a Caterpillar SEAL O RING. The available data specifies the equipment brand and the seal dimensions, but does not provide a list of compatible Caterpillar machine models or machine series.
Cross-reference numbers
- 061-8639
Specifications
| Part type | O-ring seal |
| SKU | 618639 |
| Equipment brand | Caterpillar |
| Seal material | FKM fluoroelastomer |
| Inner diameter | 0.61 in |
| Cross-section diameter | 0.1 in |
| Size designation | 114 in |
| Operating temperature range | -40 to 350 °F |
| Coating | None |
| Weight | 0.01 lb |
| Listed length | 8.89 cm |
| Listed width | 15.24 cm |
| Listed depth | 1.27 cm |
The sealing element has a nominal inner diameter of 0.61 inches and a cross-section diameter of 0.1 inches. Its listed material is FKM fluoroelastomer, with a specified temperature range from -40 to 350 °F. The component has no coating and a listed weight of 0.01 lb.
The available product data also lists dimensions of 8.89 cm in length, 15.24 cm in width, and 1.27 cm in depth. These values are retained as provided for the product listing. No installation position, included components, or specific Caterpillar machine model fitment is specified in the available data.




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