ZF 4699.808.058 GK16 | OEM Genuine Part

Overview

The ZF 4699.808.058 GK16 is a critical OEM genuine gearshift component engineered for heavy-duty construction machinery transmissions. This part functions as the primary selector mechanism within the transmission valve body, directing hydraulic pressure to engage specific gear sets. As a genuine ZF part, the SKU 4699.808.058 ensures precise fitment and long-term reliability in demanding environments such as wheel loaders, graders, and dump trucks. It sits directly in the control circuit, interfacing with the 4699008054: GK16 assembly to manage clutch pack engagement.

Symptoms of Failure

When the ZF 4699.808.058 begins to wear, operators may notice distinct operational issues. Common failure symptoms include:

• Erratic gear engagement or slipping – The transmission may hesitate or fail to hold a selected gear under load, often caused by internal spool wear in the GK16.
• Delayed shifting between forward and reverse – A worn 4699.808.058 can cause sluggish response times, especially in cold hydraulic oil conditions.
• Hydraulic fluid contamination – Debris from a degrading GK16 can circulate through the system, damaging the 4699101181: HOUSING and other valve body components.
• Intermittent neutral or loss of drive – Internal leakage past the spool can prevent proper pressure buildup, leading to sudden loss of power.

Technical Specifications

Compatibility

This genuine ZF 4699.808.058 GK16 is designed for use in ZF WG series transmissions commonly found in construction machinery. It is compatible with the following transmission models: WG180, WG200, WG210, and WG220 series. The part also integrates with the 4699102198: INPUT shaft assembly and the 4699103131: OUTPUT flange, ensuring proper torque transfer and hydraulic control. Always verify your transmission serial number before installation.

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