Overview
The ZF 4657.182.001 VIBRATION DAMPER is an OEM genuine component engineered specifically for the WG 211 Series transmission. This critical part is mounted on the driveline to absorb torsional vibrations and harmonic oscillations generated during gear shifts and heavy-load operations. By dampening these forces, the damper protects the gear train and clutch assemblies from premature fatigue. The SKU 4657.182.001 is a direct replacement for original factory units, ensuring precise fitment and long service life. It works in concert with the TRANSMISSION HOUSING to maintain structural integrity under high torque conditions.
Symptoms of Failure
- Excessive gear rattle or clunking noise during acceleration: A worn damper fails to isolate vibrations, causing audible metallic sounds from the transmission housing.
- Increased driveline shudder at low RPM: When the damper loses elasticity, you may feel a persistent vibration through the chassis, especially when pulling heavy loads.
- Premature wear on adjacent seals and bearings: Unchecked oscillations can lead to oil leaks around the HOUS.FRONT SECT and HOUSING REAR PART due to increased stress on mounting points.
- Reduced shift quality under load: A failing damper allows torque spikes that cause harsh engagement or delayed shifts, often misdiagnosed as clutch slip.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.182.001 |
| Outer Diameter | 180 mm (estimated) |
| Inner Bore Diameter | 65 mm (estimated) |
| Material | High-grade rubber compound bonded to steel hub |
| Weight | 2.4 kg (estimated) |
| OEM Reference | ZF 4657.182.001 |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This vibration damper is designed for the ZF WG 211 Series transmission family. It is also compatible with the following ZF models that share the same damper mounting interface: WG180, WG200, WG210, and WG211. Always verify the spline count and hub diameter against your existing part before installation. For secure mounting, use the CYLINDRICAL PIN to align the damper with the shaft assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101049 | TRANSMISSION HOUSING | Encloses and supports gear train assembly |
| 4657301130 | HOUS.FRONT SECT | Front section of transmission housing |
| 4657301131 | HOUSING REAR PART | Rear section of transmission housing |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for damper mounting |
| 0636102489 | CAP SCREW | Fastener for damper attachment |
| 4656301148 | FIXING PLATE | Secures damper to shaft hub |
| 0636102463 | CAP SCREW | Additional mounting bolt |
| 4657201133 | SCREEN SHEET | Protective mesh for oil flow |
| 0636115287 | CAP SCREW | High-tensile fastener |
| 4657301065 | PLATE | Spacer or cover plate |
