ZF 0501.214.038 INNER CLUTCH DISK for WG158 | OEM Genuine Part

Overview

The ZF 0501.214.038 INNER CLUTCH DISK is a critical friction component engineered for the WG158 and WG200 series transmissions. This OEM genuine part sits within the multi-plate clutch pack assembly, where it transfers torque between rotating shafts during gear engagement. As a steel-backed friction disc, it interfaces directly with separator plates to enable smooth power flow under high load conditions. The SKU 0501.214.038 is specifically designed to withstand the thermal and mechanical stresses of heavy-duty industrial applications, ensuring precise clutch modulation and extended service intervals. When installed alongside the 4656101023: TRANSMISSION HOUSING, this inner disk maintains proper alignment within the clutch drum, preventing axial play that could compromise shift quality.

Symptoms of Failure

• Transmission gear slipping under load: A worn 0501.214.038 disk loses friction material, causing the clutch pack to slip during acceleration or hill climbing, often accompanied by a burning smell.
• Delayed or harsh gear engagement: When the inner clutch disk surface becomes glazed or warped, shifts from neutral to drive or between forward gears become noticeably sluggish or abrupt.
• Low hydraulic pressure warnings: Degraded friction material can clog the 4656301142: OIL TUBE, reducing clutch apply pressure and triggering fault codes in the transmission control unit.
• Metallic grinding noise during operation: Complete wear of the friction lining exposes the steel core, leading to metal-on-metal contact that damages both the 4656201016: HOUS.FRONT SECT and adjacent separator plates.

Technical Specifications

Compatibility

This inner clutch disk is primarily designed for the ZF WG158 and WG200 transmission series, which are commonly found in off-highway vehicles, construction equipment, and agricultural machinery. It also fits select variants of the WG180 and WG250 models where the clutch pack configuration matches the 180 mm outer diameter. The disk integrates with the 4656201029: HOUSING REAR PART to complete the clutch assembly. Always verify the stack height and spline count against your transmission’s service manual before installation, as variations exist between early and late production units.

Related Components

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