Overview
The ZF 4657.185.118 ACCESSORIES for WG210 is a critical OEM genuine component engineered to support the internal assembly and sealing integrity of the WG 210 Series transmission. This accessory kit typically includes essential hardware, brackets, or mounting elements that secure key sub-assemblies within the gearbox housing. Positioned along the transmission’s main casing interface, part number 4657.185.118 ensures that adjacent structural components—such as the 4657101082: TRANSMISSION HOUSING and the 4657201166: HOUS.FRONT SECT—remain properly aligned under high-torque loads. Without this genuine accessory set, the transmission’s overall rigidity and fluid containment can be compromised, leading to premature wear on surrounding assemblies.
Symptoms of Failure
- Persistent oil seepage at housing joints: When the 4657.185.118 accessories degrade, you may notice fluid weeping around the mating surfaces of the 4657201170: HOUSING REAR PART, indicating a loss of clamping force.
- Abnormal gear engagement noise: Worn mounting hardware can allow micro-movement between the 4657298102: HOUSING REAR SECTION and the main case, producing a distinct rattle or clunk during shifts.
- Intermittent gear slipping under load: If the accessory kit fails to maintain proper housing alignment, internal shafts may shift slightly, causing erratic power delivery and slipping in higher gears.
- Visible corrosion or deformation on mounting points: Inspect the accessory brackets for rust or bending; this often precedes complete structural failure of the transmission housing seal.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4657.185.118 |
| Material Composition | High-strength steel / zinc-plated alloy |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| Dimensions (L x W x H) | 120 mm x 45 mm x 25 mm |
| OEM Reference | ZF 4657.185.118 |
| Compatible Fasteners | 0636100801: CAP SCREW and 0636100803: CAP SCREW |
Compatibility
This accessory kit is primarily designed for the ZF WG 210 Series, but it also fits select variants within the WG180, WG200, and WG250 families due to shared housing architecture. It directly interfaces with the 4657101082: TRANSMISSION HOUSING and the 4657201166: HOUS.FRONT SECT. For proper installation, ensure the 4656301148: FIXING PLATE is also inspected for wear. Always verify your transmission model’s serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201166 | HOUS.FRONT SECT | Forward housing section for input shaft |
| 4657201170 | HOUSING REAR PART | Rear casing segment for output support |
| 4657298102 | HOUSING REAR SECTION | Extended rear housing for PTO interface |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | M10 fastener for housing attachment |
| 4656301148 | FIXING PLATE | Retention bracket for accessory kit |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for sump |
| 0636100803 | CAP SCREW | M12 fastener for rear housing |
