Cotter Rocker Arm
Case Construction ·74 Fitments
| Machine | Model | Years |
|---|---|---|
| Tractor | 3230 | — |
| Tractor | 3220 | — |
| Tractor | 4240 | — |
| Tractor | 4230 | — |
| Tractor | 4210 | — |
| Tractor | 395 | — |
| Tractor | 495 | — |
| Tractor | 595 | — |
| Tractor | 695 | — |
| Tractor | 995 | — |
OEM Cotter Rocker Arm Cotter Bearing Spring Lock Valve #3055057R91 - OEM Pump, Valve, or Cylinder Repair Part for Case Construction Equipment Repair-oriented by design, this OEM component replaces damaged originals in jobs involving repair of pumps, valves, or cylinders with poor actuation or oil bypass and poor actuation, oil bypass, slow movement, and unreliable hydraulic control. Frequently purchased for hydraulic drift repair, oil bypass service, and heavy equipment hydraulic component replacement repairs on construction machinery.
More Details
Part Number: 3055057R91
Application: Repair application: OEM pump, valve, or cylinder service part for restoring hydraulic control and dependable machine movement during repair work.
Key Features:
- Designed to replace failed pumps, valves, cylinders, or hydraulic assemblies
- Supports repair of drift, slow movement, and reduced hydraulic performance caused by wear
- OEM-style fit for efficient installation during hydraulic service
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
- 3055057R91
- Internal SKU
- IC:3055057R91
- 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 74 fitments
| Machine | Model | Years |
|---|---|---|
| Tractor | 3230 | — |
| Tractor | 3220 | — |
| Tractor | 4240 | — |
| Tractor | 4230 | — |
| Tractor | 4210 | — |
| Tractor | 395 | — |
| Tractor | 495 | — |
| Tractor | 595 | — |
| Tractor | 695 | — |
| Tractor | 995 | — |
| Tractor | 895 | — |
| Tractor | 844S | — |
| Engine | D-268 | — |
| Combine | 1620 | — |
| Tractor | 380B | — |
| Tractor | 248 | — |
| Tractor | 385 | — |
| Tractor | 433 | — |
| Tractor | 485 | — |
| Tractor | 585 | — |
| Tractor | 685 | — |
| Tractor | 885 | — |
| Engine | D-310 | — |
| Harvester | 275 | — |
| Harvester | 375 | — |
| Cotton Picker | 95 | — |
| Cotton Picker | 622 | — |
| Cotton Picker | 616 | — |
| Engine | D-358 | — |
| Engine | D-179 | — |
| Cotton Picker | 782 | — |
| Tractor | 268 | — |
| Tractor | 258 | — |
| Tractor | 3288 | — |
| Tractor | 785 | — |
| Cotton Picker | 1400 | — |
| Tractor | 533 | — |
| Tractor | 633 | — |
| Tractor | 733 | — |
| Tractor | 833 | — |
| Engine | D-155 | — |
| Tractor | 584 | — |
| Tractor | 884 | — |
| Engine | D-246 | — |
| Tractor | 684 | — |
| Combine | 1420 | — |
| Tractor | 278 | — |
| Tractor | 484 | — |
| Tractor | 644 | — |
| Tractor | 784 | — |
| Tractor | HYDRO 84 | — |
| Engine | D-206 | — |
| Tractor | 744 | — |
| Tractor | 686 | — |
| Tractor | 886 | — |
| Tractor | 844 | — |
| Combine | 715 | — |
| Tractor | 2500 | — |
| Tractor | 574 | — |
| Tractor | 674 | — |
| Tractor | HYDRO 86 | — |
| Tractor | 474 | — |
| Tractor | 553 | — |
| Tractor | 654 | — |
| Tractor | 724 | — |
| Tractor | 824 | — |
| Tractor | 3400 | — |
| Engine | D-239 | — |
| Tractor | 2756 | — |
| Tractor | 2826 | — |
| Tractor | 826 | — |
| Tractor | 756 | — |
| Tractor | 2706 | — |
| Tractor | 706 | — |