Overview
The ZF 4657.183.017 LOOSE PARTS set is a critical OEM genuine service kit engineered specifically for the WG 210 series transmission. This assembly contains the necessary fasteners, seals, and positioning elements required to secure internal components within the main gear train. Positioned directly within the transmission housing, this kit ensures that the TRANSMISSION HOUSING maintains proper alignment with the HOUS.FRONT SECT and the HOUSING REAR PART. The SKU 4657.183.017 is a factory-machined loose parts package that replaces worn hardware during a full rebuild or preventive maintenance interval, restoring factory tolerances and preventing premature wear on adjacent components.
Symptoms of Failure
- Transmission oil leaks at housing mating surfaces: When the loose parts in this kit degrade, the seal between the front and rear housing sections fails, causing fluid to weep from the joint line. This is a common symptom when the CYLINDRICAL PIN alignment is compromised.
- Gear slipping under load in WG210 models: Worn fasteners and positioning plates allow the internal shaft assembly to shift slightly, leading to intermittent power loss during acceleration or hill climbing.
- Abnormal vibration or driveline shudder: Loose housing bolts and missing fixing plates create micro-movement between the transmission case sections, transmitting vibration through the driveline at highway speeds.
- Difficult gear engagement or grinding noises: Misalignment caused by degraded loose parts prevents the synchronizer assemblies from seating correctly, producing harsh shifts and metallic sounds.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4657.183.017 |
| Material Composition | Steel alloy with zinc-plated finish (fasteners); nitrile rubber (seals) |
| Weight (estimated) | 0.85 kg (1.87 lbs) |
| Dimensions (packaged) | 180 mm x 120 mm x 40 mm |
| OEM Reference | ZF Friedrichshafen AG genuine loose parts set |
| Thread Specifications | M8 x 1.25 and M10 x 1.5 (cap screws) |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This OEM genuine part is primarily designed for the WG 210 Series transmission family. Based on the part type and housing geometry, the 4657.183.017 LOOSE PARTS set is also compatible with the following ZF models: WG180, WG200, WG210, and WG250 series. It integrates directly with the TRANSMISSION HOUSING and requires the HOUS.FRONT SECT and HOUSING REAR PART to be present for proper installation. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101039 | TRANSMISSION HOUSING | Main structural case for gear assembly |
| 4657201028 | HOUS.FRONT SECT | Front section of transmission housing |
| 4657201013 | HOUSING REAR PART | Rear section of transmission housing |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing sections |
| 0636100801 | CAP SCREW | Fastener for housing assembly |
| 4656301148 | FIXING PLATE | Secures internal shaft positioning |
| 4657301034 | SCREEN SHEET | Filter screen for oil flow |
| 4657301035 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | Additional housing fastener |
| 4681301040 | OIL FEED.HOUSG. | Oil feed housing for lubrication |
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