In stock
SKU: 5H8038
5H8038 NBR O-Ring fit Caterpillar
In stock
SKU: 5H8038
5H8038 NBR O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
$4.00
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5H8038 NBR O-Ring for Caterpillar Equipment
5H8038 is an NBR O-ring used as an axial or radial seal in Caterpillar engines and machines. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The O-ring is made from NBR, also identified as nitrile butadiene rubber, and has a nominal hardness of 75 Shore A. The supplied dimensions are a 0.21-inch cross-section diameter, 0.6-inch inner diameter, and 1.02-inch outside diameter.
Fitment
The O-ring is listed for Caterpillar engine and machine applications, including the following models:
- Caterpillar 3116
- Caterpillar 3196
- Caterpillar 3306
- Caterpillar 3406
- Caterpillar 3406B
- Caterpillar 3406C
- Caterpillar 3408
- Caterpillar 3408C
- Caterpillar 3408E
- Caterpillar 3412
Application of the seal depends on the specific engine or machine assembly. Verify the part number and seal dimensions against the service documentation for the equipment before installation.
Cross-reference numbers
- 5H-8038
Specifications
| Part name | NBR O-ring |
| SKU | 5H8038 |
| Equipment manufacturer | Caterpillar |
| Equipment category | Engine and machine |
| Seal type | Standard O-ring |
| Sealing application | Axial or radial sealing |
| Main seal material | Rubber |
| Material specification | NBR, nitrile butadiene rubber |
| Coating | None |
| Hardness | 75 Shore A |
| Cross-section diameter | 0.21 in |
| Inner diameter | 0.6 in |
| Outside diameter | 1.02 in |
| SAE AS568 dash size | -312 |
| Listed size | 312 |
| Weight | 0.1 lb |
| Length | 2.4 cm |
| Width | 2.4 cm |
| Depth | 0.3 cm |

























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