O-Ring
| Machine | Model | Years / S/N |
|---|---|---|
| Excavator | CX225SR | — |
| Excavator | 220CKS | — |
| Excavator | 220B | — |
| Excavator | 220 | — |
| Excavator | 125B | — |
| Excavator | 75C | — |
| Excavator | 90CL | — |
| Excavator | 75P | — |
| Excavator | 160CL | — |
| Excavator | 160CKS | — |
OEM O-Ring 6 99 X 129 54 #X30358 - OEM Leak Repair Part for Case Construction Equipment Service This OEM part is intended for maintenance replacement in situations involving worn seals, gasket damage, and leak-related equipment service, including symptoms like gasket failure, compression set, fluid leakage, and dirt intrusion. Used in repair departments handling oil leak repair, o-ring replacement, and Case equipment gasket service requirements.
More Details
Part Number: X30358
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
WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov
- Manufacturer part number
- X30358
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.06 lb
Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.
Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.
30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.
All 14 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Excavator | CX225SR | — |
| Excavator | 220CKS | — |
| Excavator | 220B | — |
| Excavator | 220 | — |
| Excavator | 125B | — |
| Excavator | 75C | — |
| Excavator | 90CL | — |
| Excavator | 75P | — |
| Excavator | 160CL | — |
| Excavator | 160CKS | — |
| Excavator | 160CK | — |
| Excavator | 115CL | — |
| Excavator | LC80M | — |
| Excavator | LC80 | — |
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