In stock
SKU: 6H3977
6H3977 O-Ring fit Caterpillar
In stock
SKU: 6H3977
6H3977 O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
$4.00
Delivery
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6H3977 O-Ring for Caterpillar Equipment
6H3977 is a standard O-ring sealing component for Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The seal is made from nitrile rubber NBR with a hardness of 75 Shore A. The part is supplied as a black, uncoated O-ring with SAE AS568 dash size -233. The available data identifies the equipment brand as Caterpillar; specific machine models and series are not provided.
Cross-reference numbers
- 6H-3977
Specifications
| Part type | O-ring |
| Seal/O-ring type | Standard |
| Main seal material | Rubber |
| Material | Nitrile rubber, NBR (75) |
| Material hardness | 75 Shore A |
| SAE AS568 dash size | -233 |
| Size | 233 |
| Cross-section diameter | 0.14 in |
| Inner diameter | 2.86 in |
| Outside diameter | 3.137 in |
| Colour | Black |
| Coating | None |
| Weight | 0.1 lb |
| Length | 15.24 cm |
| Width | 12.7 cm |
| Depth | 2.54 cm |
Material information
Nitrile rubber NBR is specified for use with air, engine oil, diesel fuel, coolant or urea, hydraulic oil, and automatic transmission oil. The material is not specified for use with diesel biofuels. The O-ring has abrasion and cut resistance characteristics associated with the stated NBR material.






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