Check Valve
Case Construction ·17 Fitments
| Machine | Model | Years |
|---|---|---|
| Engine | A8000 | — |
| Engine | A8800 | — |
| Harvester | A8010 | 2017 |
| Harvester | A8810 | 2017 |
| Harvester | A8000 | — |
| Harvester | A8800 | — |
| Harvester | A7700 | — |
| Harvester | A7000 | — |
| Harvester | 7000 | — |
| Backhoe | 580SM | — |
OEM Check Valve Check Component Parts Not Serviced Separately Included W/ Seal Kit P/N 309787A1 #309789A1 - OEM Hydraulic Service Replacement for Heavy Equipment Repair This OEM part is intended for maintenance replacement in situations involving hydraulic service work tied to drift, reduced force, or unstable function, including symptoms like internal leakage, pressure drop, hydraulic drift, and weak system response. Frequently purchased for hydraulic drift repair, oil bypass service, and heavy equipment hydraulic component replacement repairs on construction machinery.
More Details
Part Number: 309789A1
Application: Hydraulic system replacement component used to repair pressure loss, drift, slow response, internal leakage, or failed actuation.
Key Features:
- OEM replacement for worn hydraulic components with leakage or pressure-control issues
- Helps restore reliable actuation, hydraulic response, and oil-flow control
- Direct-fit service part for heavy equipment repair and maintenance work
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
- 309789A1
- Internal SKU
- IC:309789A1
- 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 17 fitments
| Machine | Model | Years |
|---|---|---|
| Engine | A8000 | — |
| Engine | A8800 | — |
| Harvester | A8010 | 2017 |
| Harvester | A8810 | 2017 |
| Harvester | A8000 | — |
| Harvester | A8800 | — |
| Harvester | A7700 | — |
| Harvester | A7000 | — |
| Harvester | 7000 | — |
| Backhoe | 580SM | — |
| Backhoe | 580M | — |
| Backhoe | 590SM | — |
| Harvester | 7700 | — |
| Harvester | 7700 | 2002 |
| Backhoe | 580L | — |
| Backhoe | 580SL | — |
| Backhoe | 590SL | — |