1345959 HNBR O-Ring fit Caterpillar
1345959 HNBR O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
1345959 HNBR O-Ring for Caterpillar Equipment
This part is a standard HNBR O-ring used in sealing applications on Caterpillar equipment. The O-ring is identified by SKU 1345959 and the formatted part number 134-5959. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The seal is made from HNBR, also known as hydrogenated nitrile rubber, with a nominal hardness of 78 Shore A. The available product data identifies the part as an SAE AS568 size -372 O-ring. Specific Caterpillar machine models are not listed in the available data, so fitment should be confirmed by matching the part number and seal dimensions with the equipment service documentation.
Cross-reference numbers
- 1345959
- 134-5959
- SAE AS568 dash size: -372
Specifications
| Part type | Standard O-ring |
| Equipment manufacturer | Caterpillar |
| Seal material | HNBR, hydrogenated nitrile rubber |
| Main seal material classification | Rubber |
| Hardness | 78 Shore A |
| SAE AS568 size | -372 |
| Cross-section diameter | 0.21 in |
| Inner diameter | 8.73 in |
| Outside diameter | 9.145 in |
| Temperature range | -40 °F to 275 °F |
| Colour | Black |
| Coating | None |
| Weight | 0.05 lb |
| Listed length | 30.48 cm |
| Listed width | 38.1 cm |
| Listed depth | 2.54 cm |
The dimensional data for the sealing section is a 0.21-inch cross-section, an 8.73-inch inner diameter, and a 9.145-inch outside diameter. The size designation -372 is the applicable SAE AS568 reference listed for this part.
The specified operating temperature range is from -40 °F to 275 °F. The product data also identifies the O-ring as black, uncoated, and manufactured from HNBR material with a hardness of 78 Shore A.
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