4D4503 O-ring fit Caterpillar
4D4503 O-ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
4D4503 O-Ring for Caterpillar Equipment — SKU 4D4503
4D4503 is an O-ring used in equipment manufactured by Caterpillar. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is identified by the Caterpillar catalog number 4D-4503 and is used in the equipment models and machine series listed below. The supplied technical data identifies the sealing element as size 462, manufactured from nitrile rubber NBR (75).
Fitment
- Wagon 772
- Wagon 776
- Wheel Scraper 651
- Wheel Scraper 657
- Wheel Scraper 657B
- Wheel Scraper 666
- Wheel Tractor 650B
- Wheel Tractor 651
- Wheel Tractor 657
- Wheel Tractor 657B
- Wheel Tractor 666
Cross-reference numbers
| Catalog number | 4D-4503 |
| SKU format | 4D4503 |
Specifications
| Part type | O-ring |
| Equipment manufacturer | Caterpillar |
| Part size designation | 462 |
| Material | Nitrile rubber, NBR (75) |
| Nominal inner diameter | 16.46 in |
| Cross-sectional diameter | 0.28 in |
| Weight | 0.2 lb |
| Package length | 25.5 cm |
| Package width | 20 cm |
| Package depth | 0.7 cm |
The NBR material is specified for use with air, engine oil, diesel fuel, coolant or urea, hydraulic oil, and automatic transmission oil. The supplied material data does not specify use with diesel biofuel. Dimensions and material descriptions are provided for reference; verify the part number and dimensions against the machine and service documentation before installation.



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