ZF 4699.841.032 GK26LD | OEM Genuine Part

Overview

The ZF 4699.841.032 GK26LD is a precision-engineered OEM genuine component designed for the valve body assembly within heavy-duty ZF powershift transmissions. This part functions as a critical hydraulic control element, directing oil flow to engage specific clutch packs and gear sets in construction machinery. As an integral part of the transmission’s hydraulic circuit, the SKU 4699.841.032 ensures precise shift timing and pressure regulation. When installed alongside the 4699101166 HOUSING and the 4699301223 HOUSING, it forms a sealed hydraulic manifold that governs gear engagement. This genuine ZF part guarantees factory tolerances for consistent performance in demanding earthmoving applications.

Symptoms of Failure

• Delayed or harsh gear engagement: When the 4699.841.032 wears internally, operators notice a lag between shifting and actual clutch engagement, often accompanied by a jarring thud. This is a common “transmission shift hesitation” issue in ZF units.
• Hydraulic oil seepage at the valve body: Deteriorated sealing surfaces cause “ZF transmission oil leak near valve body” scenarios, leaving visible drips on the bell housing or under the machine.
• Intermittent gear slippage under load: A worn GK26LD component fails to maintain consistent hydraulic pressure, leading to “transmission slipping in forward gear” during heavy digging or grading operations.
• Erratic shift patterns: The transmission may skip gears or fail to hold a selected range, a symptom often searched as “ZF powershift transmission erratic shifting.”

Technical Specifications

Compatibility

This genuine ZF GK26LD valve component is engineered for use in the following ZF transmission models commonly found in construction machinery: WG180, WG200, WG211, and WG240 series. It is also compatible with certain variants of the 4WG200 and 6WG200 powershift transmissions used in wheel loaders, dozers, and graders. Always verify your transmission serial number against the OEM parts catalog to confirm fitment.

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