3E6732 NBR O-Ring fit Caterpillar
3E6732 NBR O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
3E6732 NBR O-Ring for Caterpillar Equipment
3E6732 is an O-ring seal for Caterpillar equipment. It is used as an axial or radial seal in applications requiring a circular sealing element. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The seal is identified by the SKU 3E6732 and the hyphenated part-number format 3E-6732. The supplied product data identifies the sealing material as NBR, also known as nitrile rubber, with a Shore A hardness of 90.
Fitment
The 3E6732 O-ring is listed for the following Caterpillar equipment models and machine series:
- Tracked bulldozer: D11T
- Hydraulic mini excavator: 307-A
- Truck engine: C9
- Excavator: 307
- Wheel loader: 966KXE
- Backhoe loader: 420D, 420E, 430D, 430E
- Forest machines: 559D, 579D, 2384D, 2484D
Fitment should be verified against the machine model, serial number, and the sealing position before installation, because the same equipment model may use different components depending on configuration.
Cross-reference numbers
| SKU | 3E6732 |
| Hyphenated part-number format | 3E-6732 |
Specifications
| Part type | O-ring seal |
| Seal configuration | Standard |
| Application | Axial or radial sealing |
| Material designation | NBR (nitrile) |
| Main seal material | Rubber |
| Hardness | 90 Shore A |
| Temperature range | -40°F to 212°F |
| Coating | None |
| Cross-section diameter | 0.14 in |
| Inside diameter | 3.11 in |
| Outside diameter | 3.387 in |
| Listed size | 235 in |
| Weight | 0.1 lb |
| Length | 15.24 cm |
| Width | 12.7 cm |
| Depth | 2.54 cm |
The dimensions above are provided in the product data in both inch and metric units where specified. The cross-section, inside diameter, and outside diameter describe the O-ring geometry; the listed package dimensions and weight are stated separately from the seal dimensions.





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