Overview
The ZF 4657.183.089 LOOSE PARTS for WG210 is a critical internal component kit designed specifically for the WG 210 Series transmission. This OEM genuine part, identified by SKU 4657.183.089, serves as a collection of fasteners, seals, and small hardware elements that secure and stabilize the transmission’s internal assembly. It sits within the main gear train area, ensuring that the TRANSMISSION HOUSING and adjacent sections remain properly aligned under high torque loads. Without this kit, the structural integrity of the gearbox is compromised, leading to misalignment of the HOUS.FRONT SECT and the HOUSING REAR PART.
Symptoms of Failure
When the ZF 4657.183.089 LOOSE PARTS begin to degrade, operators may notice several distinct failure indicators. First, oil seepage from the housing joints occurs as the included seals lose their compression, often appearing as wet spots around the bell housing. Second, intermittent gear slipping under load happens when the fasteners loosen, allowing the CYLINDRICAL PIN to shift out of its bore. Third, abnormal vibration during shifting develops from the loss of clamping force between the housing sections. Fourth, metal debris in the transmission fluid may appear as the loose parts wear against the casing, accelerating internal damage.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.183.089 |
| OEM Reference | ZF 4657.183.089 |
| Material | Steel alloy with zinc plating |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 120 mm x 80 mm x 35 mm |
| Thread Size | M10 x 1.5 (primary fasteners) |
| Hardness Rating | HRC 30-35 |
| Operating Temperature Range | -40°C to 120°C |
Compatibility
This LOOSE PARTS kit is engineered for the ZF WG 210 Series transmission, but its design also supports select models within the broader WG family. It is compatible with the WG180, WG200, and WG230 variants when used with the correct housing assembly. The kit integrates directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT, making it a universal fit for most WG-series rebuilds. Always verify the HOUSING REAR PART configuration to ensure proper alignment of the CYLINDRICAL PIN.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101039 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4657201028 | HOUS.FRONT SECT | Front section of the transmission housing |
| 4657201013 | HOUSING REAR PART | Rear section of the transmission housing |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing sections |
| 0636100801 | CAP SCREW | Fastener for securing housing components |
| 4656301148 | FIXING PLATE | Retains internal components in position |
| 4657301034 | SCREEN SHEET | Filter screen for fluid debris |
| 4657301035 | SCREEN SHEET | Secondary filter screen for fine particles |
| 0636100803 | CAP SCREW | Heavy-duty fastener for high-torque areas |
| 4681301040 | OIL FEED.HOUSG. | Distributes oil to internal bearings |
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