Overview
The ZF 4657.183.200 LOOSE PARTS for WG210 is a critical service kit designed to restore the internal integrity of your ZF WG 210 series transmission. This OEM genuine part set includes the specific fasteners, seals, and positioning elements required to secure the main housing assembly. Located within the central casing structure, the 4657.183.200 ensures that the TRANSMISSION HOUSING maintains proper alignment with the HOUS.FRONT SECT and the HOUSING REAR PART. Without this loose parts kit, the transmission cannot achieve the necessary clamping force to prevent fluid migration or gear train misalignment.
Symptoms of Failure
When the ZF 4657.183.200 LOOSE PARTS begin to degrade or are missing during reassembly, operators will notice distinct operational issues. Oil seepage at the housing mating line is the most common indicator, often appearing as a slow drip between the front and rear casing sections. Intermittent gear slippage under load occurs when the fasteners lose torque, allowing the HOUSING REAR SECTION to shift slightly. Abnormal vibration during torque converter lockup signals that the structural rigidity of the casing has been compromised. Difficulty in maintaining hydraulic pressure is a late-stage symptom, as the loose parts fail to seal the internal oil galleries properly.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number (SKU) | 4657.183.200 |
| Material Composition | Case-hardened steel / Nitrile rubber seals |
| Weight (kit) | 0.85 kg (1.87 lbs) |
| OEM Reference | ZF 4657.183.200 (Genuine) |
| Thread Pitch | M10 x 1.5 (primary fasteners) |
| Temperature Range | -40°C to +120°C |
| Torque Specification | 45 Nm ± 5 Nm |
Compatibility
This ZF 4657.183.200 LOOSE PARTS kit is engineered specifically for the WG 210 Series transmission family. It is also compatible with the WG180 and WG200 models that share the same housing architecture. The kit works in conjunction with the CYLINDRICAL PIN for precise dowel alignment and the CAP SCREW for securing the front section. For complete housing restoration, pair this kit with the FIXING PLATE and the SCREEN SHEET to ensure oil filtration integrity. The kit is not backward-compatible with WG120 or WG150 series without adapter modifications.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201166 | HOUS.FRONT SECT | Front section of transmission housing |
| 4657201170 | HOUSING REAR PART | Rear housing component for output shaft |
| 4657298102 | HOUSING REAR SECTION | Secondary rear housing section |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | Fastener for front housing section |
| 4656301148 | FIXING PLATE | Retains internal components in position |
| 4657301032 | SCREEN SHEET | Oil filter screen for main sump |
| 4657301033 | SCREEN SHEET | Secondary oil filter screen |
| 0636100803 | CAP SCREW | Fastener for rear housing section |
