326-0542 495 mm ID D-Ring Rubber Seal
Cat® D-rings for final drive service and parking brakes ensure a safe, reliable seal that prevents fluid leaks.
Wholesale only · Full payment before shipment · Send your machine nameplate to confirm fitment
Description
O-rings are used for static sealing and some dynamic applications.
Cat® O-rings are made from materials compatible with the fluids, temperatures and pressures in Cat engines and machines. These materials resist wear and extrusion, giving the seals excellent compression set resistance. In addition, some Cat O-rings are coated with PTFE to minimize seal twisting and cutting during installation.
Our O-rings are dimensioned to strictly follow tight tolerances, ensuring they are properly seated in the seal groove with the right seal compression.
With more than 2500 different sizes and materials of O-rings, Cat O-rings are the best solution for the O-ring needs of your Cat and other mobile equipment.
Cat sealing systems prevent leaks and contamination of more expensive parts. Genuine Cat seals protect your investment.
Specifications
| Coating | None |
|---|---|
| Color | Light Blue |
| Color Note | Actual O-ring color may differ from the image. |
| Cross-Section Orientation | Curved OD |
| Cross-Section Height | 6.6 mm (0.260 in) |
| Cross-Section Width | 4.31 mm (0.170 in) |
| Hardness | 90 Shore A |
| Inside Diameter | 495 mm (19.488 in) |
| Material | FKM |
| Material Description | FKM Rubber |
| Remarks | Dimensions and material descriptions are for reference only. |
| O-Ring Type | D-Ring Seal |
| Outside Diameter | 508.2 mm (20.008 in) |
Compatible Equipment
- Excavators: 621H, 621K
Additional information
| Machine Model | |
|---|---|
| Equipment Type | |
| Part Source | Genuine OEM |








