8U5942 FKM O-Ring fit Caterpillar
8U5942 FKM O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
8U5942 FKM O-Ring for Caterpillar Equipment
The 8U5942 FKM O-ring is a sealing component for Caterpillar equipment. It is used in hydraulic and mechanical sealing applications where an O-ring with fluoroelastomer material and a Shore A hardness of 75 is specified. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The seal is identified by the part number 8U5942. The available product data specifies an FKM construction, a 75 Shore A hardness, and an operating temperature range from -40°F to 350°F. The O-ring has no coating.
Fitment
The 8U5942 O-ring is listed for the following Caterpillar equipment models and machine series:
- 206B excavator
- 212B excavator
- M312 excavator
- M315 excavator
- M318 excavator
- M320 excavator
- 572R pipelayer
- 572R II pipelayer
- 6060 mining equipment
- 6030 mining equipment
Fitment is based on the listed Caterpillar model applications. The part is described for use across excavators, pipelayers, and mining equipment within these model designations.
Specifications
| Part name | FKM O-ring |
| SKU / part number | 8U5942 |
| Equipment manufacturer | Caterpillar |
| Part type | Sealing ring |
| Material | FKM fluoroelastomer |
| Hardness | 75 Shore A |
| Temperature range | -40°F to 350°F |
| Cross-section diameter | 0.06 in |
| Inside diameter | 0.39 in |
| Outside diameter | 0.512 in |
| Coating | None |
| Weight | 0.1 lb |
| Listed length | 1.5 cm |
| Listed width | 1.5 cm |
| Listed depth | 0.01 cm |
The primary dimensional data for the sealing profile is the cross-section diameter, inside diameter, and outside diameter specified in inches. The product data also lists separate overall dimensions in centimetres, together with the stated weight of 0.1 lb.






















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