2N5243 EPDM O-Ring fit Caterpillar
2N5243 EPDM O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
2N5243 EPDM O-Ring for Caterpillar — SKU 2N5243
The 2N5243 is a standard EPDM O-ring used in Caterpillar equipment, including Caterpillar articulated dump trucks and Challenger machines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The O-ring is listed for the following Caterpillar equipment and models:
- Caterpillar articulated dump trucks
- Caterpillar Challenger
- Caterpillar 725
- Caterpillar 730
- Caterpillar 65E
- Caterpillar 75D
- Caterpillar 75E
- Caterpillar 85E
- Caterpillar 95E
- Caterpillar MT835
- Caterpillar MT845
Fitment should be checked against the machine model and the part number before installation. The listed application data identifies Caterpillar as the equipment manufacturer; it does not identify Caterpillar as the manufacturer of this part.
Cross-reference numbers
| CTP part number | 2N5243 |
| Other known part number format | 2N-5243 |
Specifications
| Part type | Standard O-ring |
| Seal/O-ring designation | EPDM O-ring |
| Material | EPDM — modified ethylene-propylene-diene rubber |
| Main seal material classification | Rubber |
| SAE AS568 dash size | -330 |
| Cross-section diameter | 0.21 in |
| Inside diameter | 2.1 in |
| Outside diameter | 2.52 in |
| Hardness | 70 Shore A |
| Operating temperature range | -67 to 275 °F |
| Colour | Black |
| Coating | None |
| Size designation in source data | 330 |
| Weight | 0.1 lb |
| Length | 6.4 cm |
| Width | 6.4 cm |
| Depth | 0.4 cm |
The dimensional data identifies the O-ring by its cross-section, inside diameter, outside diameter and SAE AS568 dash size. The material specification is EPDM, with a listed hardness of 70 Shore A and a temperature range from -67 to 275 °F. The supplied part is black and has no coating.






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