Overview
The ZF 4657.183.201 LOOSE PARTS for WG210 is a critical internal assembly kit designed to secure and position key components within the WG 210 series transmission. This OEM genuine part, identified by SKU 4657.183.201, functions as a retention and alignment set, ensuring that the TRANSMISSION HOUSING maintains structural integrity during high-torque operations. It sits directly between the HOUS.FRONT SECT and the HOUSING REAR PART, acting as a stabilizing interface that prevents axial movement and reduces vibration in the drivetrain assembly.
Symptoms of Failure
When the 4657.183.201 LOOSE PARTS kit begins to degrade, operators often notice intermittent gear slippage under load, particularly during uphill climbs or heavy hauling. A second common indicator is low-frequency humming or knocking from the transmission bell housing, which worsens as the transmission warms up. Third, chronic oil seepage around the housing mating surfaces may develop, as the loose parts fail to maintain proper sealing pressure. Finally, delayed engagement when shifting from Neutral to Drive can occur, signaling that the alignment between the HOUSING REAR SECTION and the main shaft has shifted.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.183.201 |
| Material | High-tensile steel with zinc-nickel coating |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 120 mm x 45 mm x 30 mm |
| OEM Reference | ZF 4657.183.201 |
| Torque Rating | Up to 1,200 Nm |
| Operating Temperature | -40°C to +120°C |
Compatibility
This LOOSE PARTS kit is engineered primarily for the WG 210 series transmissions, but it also fits select variants in the WG 180 and WG 200 families where the housing geometry matches. It is directly compatible with transmissions using the TRANSMISSION HOUSING (part 4657101079) and the HOUS.FRONT SECT (part 4657201166). For applications involving the HOUSING REAR PART (4657201169) or the HOUSING REAR SECTION (4657298104), this kit ensures proper alignment and load distribution across the entire assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101079 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4657201166 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201169 | HOUSING REAR PART | Rear housing section for output bearing |
| 4657298104 | HOUSING REAR SECTION | Secondary rear housing support |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | Fastener for housing attachment |
| 4656301148 | FIXING PLATE | Retention plate for bearing preload |
| 4657301032 | SCREEN SHEET | Filter mesh for oil circulation |
| 4657301033 | SCREEN SHEET | Secondary filter screen for debris |
| 0636100803 | CAP SCREW | High-strength bolt for rear housing |
