O-ring
| Machine | Model | Years / S/N |
|---|---|---|
| Loader | TV450B | 2025 |
| Loader | TV370B | 2025 |
| Loader | TR310B | 2025 |
| Loader | TR270B | 2025 |
| Loader | TR340B | 2025 |
| Tractor | SL27 TR | — |
| Tractor | SL35 | — |
| Tractor | SL35 TR | — |
| Tractor | SL50 TR | — |
| Tractor | SL27 | — |
OEM O-Ring #51665569 - OEM Leak Repair Part for Case Construction Equipment Service Technician-focused and repair-ready, this OEM component is used when oil leaks, dust intrusion, and failed sealing surfaces results in oil leaks, seepage, contamination entry, and worn sealing lips and direct replacement is required. Often searched by buyers handling OEM seal replacement, gasket repair, leak service, and heavy equipment sealing maintenance service work.
More Details
Part Number: 51665569
Application: Common service application: Seal or gasket replacement used to repair fluid leaks, worn sealing surfaces, contamination entry, and failed OEM sealing points.
Key Features:
- OEM replacement for worn seals, failed gaskets, or damaged sealing points
- Helps restore fluid containment and protect against contamination entry
- Direct-fit service part for leak repair and routine maintenance replacement
Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering
Replaces: Refer to manufacturer cross-reference if applicable
- Manufacturer part number
- 51665569
- Internal SKU
- IC:51665569
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 2.2 lb
Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.
30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.
All 56 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Loader | TV450B | 2025 |
| Loader | TV370B | 2025 |
| Loader | TR310B | 2025 |
| Loader | TR270B | 2025 |
| Loader | TR340B | 2025 |
| Tractor | SL27 TR | — |
| Tractor | SL35 | — |
| Tractor | SL35 TR | — |
| Tractor | SL50 TR | — |
| Tractor | SL27 | — |
| Skid Steer | SV340B | 2025 |
| Skid Steer | SV280B | 2025 |
| Skid Steer | SV185B | — |
| Skid Steer | SR240B | 2025 |
| Skid Steer | SR210B | 2025 |
| Skid Steer | SR175B | 2025 |
| Skid Steer | SR270B | 2025 |
| Loader | C332 | 2025 |
| Loader | C327 | 2025 |
| Loader | C330 | 2025 |
| Loader | C345 | 2025 |
| Loader | C337 | 2025 |
| Tractor | ML35 T | — |
| Tractor | ML27 T | — |
| Tractor | ML50 T | — |
| Tractor | ML27 | — |
| Skid Steer | L334 | 2025 |
| Skid Steer | L328 | 2025 |
| Skid Steer | L318 | 2025 |
| Skid Steer | L321 | 2025 |
| Skid Steer | L320 | 2025 |
| Skid Steer | C334 | 2025 |
| Loader | TR270B | — |
| Loader | TR340B | — |
| Loader | TR310B | — |
| Loader | DL550 | — |
| Loader | TV620B | — |
| Loader | TV450B | — |
| Loader | TV370B | — |
| Skid Steer | SV280B | — |
| Skid Steer | SR270B | — |
| Skid Steer | SR240B | — |
| Skid Steer | SR210B | — |
| Skid Steer | SR160B | — |
| Skid Steer | SV340B | — |
| Loader | C362 | — |
| Loader | C345 | — |
| Loader | C337 | — |
| Loader | C334 | — |
| Loader | C332 | — |
| Loader | C330 | — |
| Loader | C327 | — |
| Skid Steer | L334 | — |
| Skid Steer | L328 | — |
| Skid Steer | L321 | — |
| Skid Steer | SR175B | — |