8F5900 O-Ring fit Caterpillar
8F5900 O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
8F5900 O-Ring for Caterpillar Equipment
The 8F5900 is an O-ring used as an axial or radial seal in Caterpillar articulated dump trucks and earthmoving compactors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The seal is listed for the following Caterpillar equipment types and models:
- Caterpillar articulated dump trucks
- Caterpillar 735
- Caterpillar 740
- Caterpillar earthmoving compactors
- Caterpillar 825G
- Caterpillar 825G II
- Caterpillar 825H
- Caterpillar 826C
- Caterpillar 826G
- Caterpillar 826G II
- Caterpillar 826H
Application depends on the machine configuration and the sealing position. Confirm the required part number and dimensions against the existing seal and the equipment parts documentation before installation.
Cross-reference numbers
- 8F5900
- 8F-5900
- SAE AS568 dash size: -269
8F5900 and 8F-5900 are the listed number formats for the same O-ring specification.
Specifications
| Part type | O-ring sealing element |
| Equipment manufacturer | Caterpillar |
| Seal application | Axial or radial sealing |
| Material | NBR, nitrile rubber |
| Hardness | 75 Shore A |
| Color | Black |
| Coating | None |
| Nominal size | 269 |
| SAE AS568 size | -269 |
| Cross-section diameter | 0.14 in |
| Inner diameter | 8.73 in |
| Outer diameter | 9.012 in |
| Weight | 0.1 lb |
| Listed length | 15.24 cm |
| Listed width | 12.7 cm |
| Listed depth | 2.54 cm |
The component is supplied as an individual O-ring. The listed material is NBR nitrile rubber with a hardness of 75 Shore A, black color, and no coating. The dimensional data identifies the seal by its cross-section, inner diameter, outer diameter, and SAE AS568 dash size.






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