Overview
The ZF 4657.183.130 LOOSE PARTS for WG210 is a critical OEM genuine assembly component designed to maintain the structural integrity and hydraulic sealing of the WG 210 series transmission. This specific SKU, 4657.183.130, functions as a precision-engineered kit of loose hardware and fasteners that secure internal valve bodies and fluid passages within the transmission housing. It sits directly between the main casing and the front section, ensuring that all mating surfaces remain under correct torque specifications during high-load operations. Without this genuine ZF part, the transmission’s internal pressure regulation can become compromised, leading to operational inefficiencies.
Symptoms of Failure
- Oil leaks at the housing seam: When the 4657.183.130 LOOSE PARTS assembly wears or loosens, you may notice fluid seepage around the WG210’s main joint, often mistaken for a gasket failure.
- Erratic gear engagement under load: A failing loose parts kit can cause insufficient clamping force on the valve body, resulting in delayed or harsh shifting during acceleration.
- Increased transmission noise: Loose hardware within the assembly can create a rattling or humming sound from the bell housing area, particularly at low RPMs.
- Intermittent pressure drops: If the fasteners in this kit lose their preload, the transmission may exhibit random slipping or a loss of drive in forward gears.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.183.130 |
| OEM Reference | ZF 4657.183.130 |
| Material Composition | High-tensile steel with corrosion-resistant coating |
| Weight (Estimated) | 0.45 kg (1.0 lb) |
| Dimensions (L x W x H) | 120 mm x 80 mm x 15 mm |
| Compatible Series | WG 210 |
| Hardware Included | Bolts, washers, and retaining clips |
Compatibility
This genuine ZF 4657.183.130 LOOSE PARTS is specifically engineered for the WG 210 series transmissions. Based on its design and fastening pattern, it is also compatible with the WG180 and WG200 series models that share the same housing architecture. The part interfaces directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT, requiring precise alignment during installation. For complete assembly, it works alongside the HOUSING REAR PART and is secured using the CYLINDRICAL PIN for accurate positioning. Always verify your transmission model’s serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101039 | TRANSMISSION HOUSING | Main casing for gear assembly |
| 4657201028 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201013 | HOUSING REAR PART | Rear casing for output components |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing sections |
| 0636100801 | CAP SCREW | Fastener for housing joints |
| 4656301148 | FIXING PLATE | Secures internal valve body |
| 4657301034 | SCREEN SHEET | Filter mesh for oil circuit |
| 4657301035 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | High-torque fastener for cover |
| 4681301040 | OIL FEED.HOUSG. | Oil supply housing for lubrication |
