ZF 4657.171.037 CLUTCH for WG 190/WG 210 | OEM Genuine Part

Overview

The ZF 4657.171.037 CLUTCH is a critical friction component engineered specifically for the WG 190 and WG 210 series transmissions. Positioned within the planetary gear set assembly, this OEM genuine part is responsible for engaging and disengaging power flow between rotating shafts, enabling smooth gear shifts under high torque loads. As a direct replacement for the WG 191 Series, the SKU 4657.171.037 ensures factory-specified clamping force and thermal stability, preventing premature wear in heavy-duty industrial applications. For optimal hydraulic control, this clutch works in tandem with the 4657120005: PRESSURE REGULATOR to maintain consistent oil pressure during engagement cycles.

Symptoms of Failure

• Delayed or harsh gear engagement: When the clutch disc material wears thin, you may experience a noticeable lag or a jarring shift when moving from neutral to drive, especially under load.
• Transmission overheating and burnt oil smell: Slipping friction surfaces generate excessive heat, causing the transmission fluid to degrade and emit a distinct burnt odor.
• Intermittent loss of power in forward gears: A worn 4657.171.037 clutch can cause the transmission to momentarily lose torque delivery, particularly during uphill climbs or heavy hauling.
• Visible clutch debris in the oil pan: As friction material disintegrates, metallic or carbon particles will accumulate in the sump, often detected during routine fluid changes.

Technical Specifications

Compatibility

This clutch is designed for the ZF WG 191 Series but is also a direct fit for the following transmission models: WG 180, WG 190, WG 200, WG 210, and WG 211. It is commonly used in off-highway vehicles, construction equipment, and agricultural machinery. Always verify the spline count and stack height against your existing assembly. For proper installation, pair this clutch with the 0501211384: VALVE to regulate fluid flow, and ensure the 0630532183: INDENTED RING is correctly seated to prevent axial play. The 4656306145: PISTON must also be inspected for scoring during rebuilds.

Related Components

Frequently Asked Questions

Q: Can the 4657.171.037 clutch be used in a ZF WG 180 transmission?
A: Yes, this clutch is compatible with WG 180, WG 190, WG 200, and WG 210 models. However, always confirm the clutch pack thickness and spline configuration against your original part before installation.

Q: What other parts should I replace when installing a new clutch?
A: It is highly recommended to replace the 4657120005: PRESSURE REGULATOR and the 4656306145: PISTON simultaneously, as worn seals and scored bores are common failure points that can damage a new clutch.

Q: How do I identify if my clutch is the OEM 4657.171.037 version?
A: Look for the laser-etched part number on the steel backing plate. Genuine ZF parts have a matte finish and precise edge chamfering. Counterfeit parts often lack the SKU marking or have irregular friction material patterns.