O-ring
| Machine | Model | Years |
|---|---|---|
| Excavator | CX135SR | — |
| Excavator | CX225SR | — |
| Excavator | CX290 | — |
| Excavator | CX210 | — |
| Excavator | CX210N | — |
| Excavator | CX210LR | — |
| Excavator | 9050B | — |
| Excavator | 9060B | — |
| Excavator | 9045B | — |
| Excavator | 9040B | — |
OEM O-Ring Plug Inner #165778A1 - OEM Sealing Component for Heavy Equipment Repair Service replacement of the original part becomes necessary when worn seals, gasket damage, and leak-related equipment service produces gasket failure, compression set, fluid leakage, and dirt intrusion; this OEM component is built for that repair path. Relevant to maintenance teams managing OEM seal replacement, gasket repair, leak service, and heavy equipment sealing maintenance replacement needs.
More Details
Part Number: 165778A1
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
- Manufacturer part number
- 165778A1
- Internal SKU
- IC:165778A1
- 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 14 fitments
| Machine | Model | Years |
|---|---|---|
| Excavator | CX135SR | — |
| Excavator | CX225SR | — |
| Excavator | CX290 | — |
| Excavator | CX210 | — |
| Excavator | CX210N | — |
| Excavator | CX210LR | — |
| Excavator | 9050B | — |
| Excavator | 9060B | — |
| Excavator | 9045B | — |
| Excavator | 9040B | — |
| Excavator | 9030B | — |
| Excavator | 9060 | — |
| Excavator | 9050 | — |
| Excavator | 9040 | — |