ZF 4699.801.118 GK10 | OEM Genuine Part

Overview

The ZF 4699.801.118 GK10 is a precision-engineered OEM genuine part designed for the clutch pack assembly within heavy-duty ZF powershift transmissions. This component functions as a critical hydraulic control element, regulating oil flow to engage and disengage specific gear sets in construction machinery. The SKU 4699.801.118 sits directly within the valve body or clutch housing, where it modulates pressure for smooth shifting under high torque loads. As a genuine ZF part, it ensures exact fitment and durability, reducing downtime in demanding applications like wheel loaders and excavators. For optimal sealing and structural integrity, this GK10 unit is often installed alongside the 4699101080: HOUSING and the 0501329881: HOUSING COVER, which protect the internal components from contamination and pressure loss.

Symptoms of Failure

When the ZF 4699.801.118 GK10 wears out, operators may notice specific performance issues that signal imminent failure. Common symptoms include:

• Delayed or harsh gear engagement – The transmission hesitates or clunks when shifting, often caused by degraded internal seals or worn piston surfaces within the GK10 assembly.
• Intermittent slipping under load – The transmission loses power during heavy digging or climbing, indicating insufficient clutch pack pressure due to a failing GK10 valve.
• Hydraulic oil leaks near the clutch housing – External seepage around the housing joint suggests a compromised 0634306309: O-RING or a cracked GK10 body, leading to fluid loss and system contamination.
• Erratic shift patterns – The transmission may skip gears or fail to hold a gear, often traced to a stuck or broken GK10 spool that disrupts hydraulic logic.

Technical Specifications

Compatibility

This GK10 valve is engineered for ZF powershift transmissions commonly used in construction machinery. Based on its design and hydraulic flow characteristics, the 4699.801.118 is compatible with the following ZF transmission models:

• ZF WG180
• ZF WG200
• ZF WG210
• ZF 4WG-200
• ZF 6WG-200

These transmissions are found in equipment such as Caterpillar, Volvo, and Liebherr wheel loaders, as well as heavy-duty forklifts. For proper installation, ensure the 0630513065: SNAP RING is correctly seated to secure the GK10 within the housing bore.

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