Overview
The ZF 4657.183.066 LOOSE PARTS for WG210 is a critical service kit designed to restore the internal integrity of your ZF WG210 series transmission. This OEM genuine part, identified by SKU 4657.183.066, contains the specific loose components required to secure and align the main housing assembly during rebuilds or major repairs. It sits directly within the transmission’s structural core, interfacing with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to ensure precise gear train alignment. Without this genuine parts kit, the entire WG210 assembly risks misalignment, leading to premature wear on internal bearings and shafts.
Symptoms of Failure
- Transmission housing oil leaks at mating surfaces: When the loose parts in this kit degrade, the seal between the HOUSING REAR PART and the main casing fails, causing visible fluid seepage.
- Intermittent gear slipping under load: Worn fasteners or locating pins allow the housing sections to shift slightly, resulting in inconsistent gear engagement and power loss.
- Excessive drivetrain vibration during shifting: A compromised CYLINDRICAL PIN within this kit leads to play between the front and rear housing sections, generating noticeable vibration.
- Hard shifting or delayed engagement: Misalignment caused by degraded loose parts forces the valve body to compensate, creating harsh or delayed shifts.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.183.066 |
| OEM Reference | ZF 4657.183.066 |
| Material Composition | Case-hardened steel with zinc-nickel plating |
| Weight (estimated) | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 120 mm x 45 mm x 30 mm |
| Compatible Fasteners | CAP SCREW (0636100801) and CAP SCREW (0636100803) |
| Associated Hardware | FIXING PLATE (4656301148) |
Compatibility
This OEM genuine part is engineered primarily for the ZF WG210 series transmissions. Based on its structural role, it is also compatible with the WG180, WG200, and WG211 series where the housing architecture is shared. It integrates directly with the SCREEN SHEET (4657301032) and SCREEN SHEET (4657301033) for oil filtration, and the OIL FEED.HOUSG. (4656301048) for lubrication routing. Always verify your transmission model tag before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101037 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4657201027 | HOUS.FRONT SECT | Front section of the transmission housing |
| 4657201012 | HOUSING REAR PART | Rear section of the transmission housing |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing sections |
| 0636100801 | CAP SCREW | Fastener for housing attachment |
| 4656301148 | FIXING PLATE | Secures internal components in place |
| 4657301032 | SCREEN SHEET | Oil filter screen for hydraulic circuit |
| 4657301033 | SCREEN SHEET | Secondary oil filter screen |
| 0636100803 | CAP SCREW | High-torque fastener for housing |
| 4656301048 | OIL FEED.HOUSG. | Oil feed housing for lubrication |
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