Overview
The ZF 4657.183.412 LOOSE PARTS kit is a critical service component engineered specifically for the WG 210 series transmission. This genuine OEM assembly contains the necessary loose hardware and fasteners required to secure the main transmission housing sections during rebuild or repair. The SKU 4657.183.412 directly interfaces with the internal structural framework of the gearbox, ensuring that the 4657101082: TRANSMISSION HOUSING remains properly aligned under high torque loads. Without this kit, the integrity of the entire drivetrain assembly is compromised, making it an indispensable element for any WG210 overhaul.
Symptoms of Failure
When the components within the 4657.183.412 kit degrade or are omitted during service, operators typically encounter these specific failure modes:
- Transmission oil seepage at housing joints: Worn or missing loose parts allow the 4657201166: HOUS.FRONT SECT to shift, breaking the seal and causing fluid loss.
- Abnormal gear engagement noise: Loose fasteners lead to micro-movement between the 4657201170: HOUSING REAR PART and the main case, producing a distinct metallic chatter during shifting.
- Vibration under load: Insufficient clamping force from the loose parts allows the 4657298102: HOUSING REAR SECTION to resonate, transmitting vibration through the chassis.
- Intermittent gear slipping: Structural flexing caused by degraded hardware alters gear mesh depth, leading to power loss under acceleration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number / SKU | 4657.183.412 |
| OEM Reference | ZF 4657.183.412 |
| Material Composition | High-tensile steel with zinc plating |
| Kit Weight (estimated) | 0.45 kg (1.0 lb) |
| Primary Application | WG 210 Series |
| Included Fasteners | Bolts, washers, and alignment pins |
Compatibility
This genuine ZF loose parts kit is designed primarily for the WG 210 series. Based on the structural design of the housing interfaces, it is also compatible with the WG 180 and WG 200 series transmissions that share the same bolt pattern and housing geometry. It is not recommended for use in the WG 120 or WG 150 series without verifying the housing part numbers. Always cross-reference your existing TRANSMISSION HOUSING to confirm fitment before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4657201166 | HOUS.FRONT SECT | Front section housing for input shaft support |
| 4657201170 | HOUSING REAR PART | Rear housing component for output bearing retention |
| 4657298102 | HOUSING REAR SECTION | Secondary rear section for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing dowel positioning |
| 0636100801 | CAP SCREW | Hex head fastener for housing flange |
| 4656301148 | FIXING PLATE | Locking plate for fastener retention |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for sump |
| 0636100803 | CAP SCREW | Shoulder bolt for rear housing attachment |
