4F7391 O-Ring fit Caterpillar
4F7391 O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
4F7391 O-Ring for Caterpillar Equipment
4F7391 is a standard O-ring seal for use in Caterpillar equipment, including fixed and moving sealing points. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The seal is made from nitrile rubber with a specified hardness of 75 Shore A. The supplied component is a black, uncoated O-ring identified by the Caterpillar equipment reference 4F-7391 and SAE AS568 dash size -219.
Fitment
- Caterpillar equipment
- Exact machine model and series are not specified in the available product data.
Cross-reference numbers
- 4F7391
- 4F-7391
- SAE AS568 dash size: -219
Specifications
| Part type | O-ring seal |
| Seal design | Standard |
| Equipment manufacturer | Caterpillar |
| Equipment application | Sealing of fixed and moving parts |
| Part number | 4F7391 |
| Reference format | 4F-7391 |
| SAE AS568 dash size | -219 |
| Primary material | Rubber |
| Specific material | Nitrile rubber (NBR) |
| Material designation | NBR (75) |
| Hardness | 75 Shore A |
| Cross-section diameter | 0.14 in |
| Inside diameter | 1.3 in |
| Outside diameter | 1.574 in |
| Size designation | 219 |
| Coating | None |
| Colour | Black |
| Weight | 0.1 lb |
| Length | 8.89 cm |
| Width | 15.24 cm |
| Depth | 1.27 cm |
The dimensional data identifies the O-ring by its inside diameter, outside diameter and cross-section diameter. The inch measurements supplied for this part are 1.3 in inside diameter, 1.574 in outside diameter and 0.14 in cross section. The product data also lists package or handling dimensions of 8.89 cm in length, 15.24 cm in width and 1.27 cm in depth, with a listed weight of 0.1 lb.
The NBR material specification is listed together with a 75 Shore A hardness value. The part has no coating and is identified as black. No installation hardware, seals of other sizes or additional components are specified as included; the available data describes one standard O-ring.






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