O-ring
Case Construction ·41 Fitments
| Machine | Model | Years |
|---|---|---|
| Loader | 221G | — |
| Loader | 121F | — |
| Loader | 221F | 2023 |
| Loader | 221F | — |
| Loader | 321F | 2023 |
| Loader | 321F | — |
| Loader | 321G | — |
| Loader | 21G | — |
| Loader | 121G | — |
| Loader | W80D | — |
OEM O-Ring 134 X 3 Mm #2978362 - OEM Seal and Gasket Replacement for Case Construction Equipment Designed for heavy equipment service, this OEM component replaces worn originals tied to repair of sealing points affected by seepage, contamination, or compression set and common issues such as gasket failure, compression set, fluid leakage, and dirt intrusion. Relevant to maintenance teams managing oil leak repair, o-ring replacement, and Case equipment gasket service replacement needs.
More Details
Part Number: 2978362
Application: Primary service use: OEM sealing component for maintenance work involving oil seepage, gasket failure, or leak-related equipment service.
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
Replaces the following OEM and aftermarket part numbers. Click any reference to search for matching parts.
- Manufacturer part number
- 2978362
- Internal SKU
- IC:2978362
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
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 41 fitments
| Machine | Model | Years |
|---|---|---|
| Loader | 221G | — |
| Loader | 121F | — |
| Loader | 221F | 2023 |
| Loader | 221F | — |
| Loader | 321F | 2023 |
| Loader | 321F | — |
| Loader | 321G | — |
| Loader | 21G | — |
| Loader | 121G | — |
| Loader | W80D | — |
| Loader | W60C | — |
| Loader | W70C | — |
| Loader | W80C | — |
| Loader | W80C | 2023 |
| Loader | W70C | 2024 |
| Loader | W60C | 2024 |
| Loader | W60D | — |
| Loader | W70D | — |
| Loader | W70C | 2023 |
| Loader | 21F | — |
| Loader | W50C | — |
| Loader | W80BTC | — |
| Loader | 121E SERIES 3 | — |
| Loader | 21E SERIES 3 | — |
| Loader | 221E SERIES 3 | — |
| Loader | 321E SERIES 3 | — |
| Loader | W70BTC | — |
| Loader | W50BTC | — |
| Loader | W60BTC | — |
| Loader | W50TC | — |
| Loader | W80TC | — |
| Loader | 121E | — |
| Loader | 221E | — |
| Loader | 321E | — |
| Loader | 21E | — |
| Loader | 221D | — |
| Loader | 21D | — |
| Loader | 321D | — |
| Loader | LW80.B | — |
| Loader | LW50.B | — |
| Loader | LW50 | — |