ZF 4145.209.002 INNER CLUTCH DISK for WG100/WG130/WG131 | OEM Genuine Part

Overview

The ZF 4145.209.002 INNER CLUTCH DISK is a precision-engineered friction component designed for the WG100, WG130, and WG131 series transmissions. This OEM genuine part sits within the clutch pack assembly, where it transfers torque between rotating shafts during gear engagement. The SKU 4145.209.002 ensures exact fitment and OEM-specified friction characteristics, critical for maintaining shift quality and load capacity in heavy-duty industrial applications. When paired with a matching 4143101016 HOUSING and 4143301039 HOUSING, this disk forms the core of the clutch coupling system, enabling smooth power delivery under high torque loads.

Symptoms of Failure

• Delayed or harsh gear engagement – Worn friction material causes the clutch pack to slip before locking, leading to jerky shifts or hesitation when moving from neutral to drive.
• Transmission overheating – Excessive slippage from a degraded inner clutch disk generates abnormal heat, often detected by warning lights or burnt fluid smell.
• Torque converter shudder – Vibration during acceleration at low speeds indicates uneven friction surface contact, a classic sign of disk wear.
• Oil contamination with metallic debris – As the friction lining erodes, particles mix with transmission fluid, visible during routine drain inspections.

Technical Specifications

Compatibility

This inner clutch disk is engineered for ZF WG100, WG130, and WG131 transmissions, commonly used in off-highway vehicles, agricultural tractors, and construction equipment. It also fits select variants of the WG180 and WG200 series when used with the correct 0501318136 GASKET and 0636101084 CAP SCREW for secure housing assembly. Always verify spline count and stack height against your existing clutch pack before installation.

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