COGENG John Deere Solenoid Valve | Hydraulic & Transmission

John Deere

COGENG John Deere Solenoid Valve is a premium OEM-replacement component engineered specifically for John Deere construction equipment. This direct-fit solenoid valve precisely controls hydraulic pilot circuits and transmission shift functions, ensuring smooth, reliable machine operation.
Key Features
  • Dual Application: Designed for both hydraulic system control and transmission shift actuation on John Deere excavators, dozers, wheel loaders, and motor graders.

  • Exact Direct Fit: Matches John Deere original specifications for seamless plug-and-play installation. Replaces OEM part numbers including 4188762 and related series. No modifications required.

  • Prevents Common Failures: Robust coil design resists burnout and electrical faults. Precision-machined valve body prevents debris jamming. Sealed Deutsch connectors stop moisture and corrosion.

  • Restores Performance: Eliminates symptoms like harsh or delayed transmission shifts, weak hydraulic response, erratic implement control, and active diagnostic trouble codes.

Applications
Controls pilot circuits, main hydraulic flow, transmission clutch engagement, gear changes, throttle actuation, and attachment functions on John Deere equipment including 490/690/790/870 excavators, D-series dozers, K-series loaders, and G-series graders.
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