1178803 FKM O-Ring fit Caterpillar
1178803 FKM O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
1178803 FKM O-Ring for Caterpillar Equipment
This product is a standard FKM O-ring used in equipment manufactured by Caterpillar. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified by SKU 1178803 and is supplied as an individual sealing ring.
Cross-reference numbers
- 1178803
- 117-8803
- SAE AS568 dash size -214
Specifications
The O-ring has a fluoroelastomer construction and a Shore A hardness of 75. The dimensional data below is provided in the indicated measurement units. The inch dimensions define the ring size, while the centimetre values indicate the listed package or part dimensions.
| Part type | Standard O-ring |
| Application | Sealing component for Caterpillar equipment |
| Material | FKM fluoroelastomer |
| Main seal material | Rubber |
| Hardness | 75 Shore A |
| SAE AS568 dash size | -214 |
| Size | 214 |
| Cross-section diameter | 0.14 in |
| Inner diameter | 0.98 in |
| Outside diameter | 1.262 in |
| Operating temperature range | -40 to 350 °F |
| Coating | None |
| Weight | 0.1 lb |
| Length | 3.2 cm |
| Width | 3.2 cm |
| Depth | 0.3 cm |
The listed cross-section, inner-diameter and outside-diameter values describe the physical geometry of the seal. The -214 designation is the corresponding SAE AS568 size reference. The material specification is FKM fluoroelastomer, and no surface coating is specified for this part.
Specific Caterpillar machine models or series are not identified in the supplied product data. Compatibility should therefore be checked using the Caterpillar part number 1178803 or 117-8803 and the required O-ring dimensions before installation.



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