New High Temperature Seals are Available {7555}
- Caterpillar Products:
- All
Description of Change: Optional seals that are made from an improved material are available for use in high temperature applications.
Adaptable To: The new FKM (fluoroelastomer rubber) seals are available for inch port STOR fittings, ORFS fittings, and high-pressure flange fittings (D-rings). The new seals provide superior sealing performance and longer seal life in high temperature applications. The new seals may also feature a light blue coating for easier installation.
Note: Do not use the FKM seals with coolant or fireproof hydraulic fluid.Refer to the tables below for the optional direct replacement part numbers of the seals.
Show/hide table
| ORFS Fittings | |
|---|---|
| NBR (1) Pt. No. | FKM Pt. No. |
| 4J-5477 | 228-7088 (2) |
| 6V-8397 | 228-7089 (2) |
| 6V-8398 | 228-7090 (2) |
| 7J-9108 | 228-7091 (2) |
| 6V-9746 | 228-7092 (2) |
| 5K-9090 | 228-7093 (2) |
| 6V-8400 | 228-7094 (2) |
| 8T-3015 | 228-7095 (2) |
Show/hide table
| ( 1 ) | Nitrile o-ring |
| ( 2 ) | Light blue PTFE coating |
Show/hide table
| STORS Fittings | |
|---|---|
| NBR (1) Pt. No. | FKM Pt. No. |
| 4J-7533 | 238-5078 (2) |
| 7J-0204 | 238-5079 (2) |
| 3J-7354 | 214-7566 (2) |
| 1J-9671 | 214-7567 (2) |
| 3J-1907 | 214-7568 (2) |
| 3K-0360 | 238-5080 (2) |
| 2M-9780 | 238-5081 (2) |
| 3D-2824 | 238-5082 (2) |
| 4K-1388 | 238-5083 (2) |
| 7M-8485 | 238-5084 (2) |
| 230-5935 | 238-5085 (2) |
| 2S-4078 | 228-7096 (2) |
| 6K-6307 | 238-5086 (2) |
| 030-4606 | 228-7097 (2) |
Show/hide table
| ( 1 ) | Nitrile o-ring |
| ( 2 ) | Light blue PTFE coating |
Show/hide table
| High Pressure Flange Fittings (D-rings) | |
|---|---|
| NBR (1) Pt. No. | FKM Pt. No. |
| 1P-3700 | 235-2472 (3) |
| 1P-3702 | 235-2473 (3) |
| 1P-3703 | 235-2474 (3) |
| 1P-3704 | 235-2475 (3) |
| 1P-3705 | 235-2476 (3) |
| 1P-3706 | 235-2477 (3) |
| 1P-3707 | 235-2478 (3) |
| 1P-3708 | 235-2479 (3) |
| 1P-3709 | 235-2480 (3) |
| 8T-2885 | 235-2481 (3) |
| 8C-5172 | 235-2482 (3) |
Show/hide table
| ( 1 ) | Nitrile o-ring |
| ( 3 ) | No PTFE coating |
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