Overview
The ZF 4657.183.211 LOOSE PARTS for WG211 represents a critical service kit designed to restore the internal integrity of your ZF WG 211 Series transmission. This OEM genuine assembly includes the essential fasteners, seals, and positioning elements required to secure the main housing sections during a rebuild or overhaul. Specifically, this kit interfaces directly with the 4657101049: TRANSMISSION HOUSING and the 4657301130: HOUS.FRONT SECT, ensuring a precise fit that prevents internal fluid migration and maintains gear alignment. The SKU 4657.183.211 is a factory-sealed package containing all necessary loose hardware for a complete WG211 reassembly.
Symptoms of Failure
When the components within the 4657.183.211 kit degrade or are improperly torqued, operators often report external oil seepage at the transmission housing split line, particularly between the front and rear sections. A second common failure is intermittent gear slippage under load, caused by micro-movement of the 4657301131: HOUSING REAR PART relative to the main case. Technicians may also notice abnormal vibration during 2nd-to-3rd gear shifts, indicating that the 0631306816: CYLINDRICAL PIN has sheared or backed out, compromising dowel alignment. Finally, contaminated transmission fluid with metallic debris often points to loose fasteners allowing gear train components to contact the housing walls.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.183.211 |
| Kit Contents | Loose hardware, seals, pins, fasteners |
| Material Grade | Steel (fasteners), Nitrile (seals) |
| Weight (approx.) | 0.85 kg (1.87 lbs) |
| OEM Reference | ZF 4657.183.211 |
| Compatible Housing | 4657101049 |
| Front Section | 4657301130 |
| Rear Section | 4657301131 |
| Alignment Pin | 0631306816 |
Compatibility
This genuine ZF loose parts kit is engineered specifically for the WG 211 Series transmission family. Based on its structural role, it also applies to the WG180 and WG200 models that share the same housing architecture. Additionally, the kit is compatible with WG210 and WG212 variants where the front and rear housing sections are bolted together using identical fastener patterns. Always verify your transmission serial number against the ZF parts catalog before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101049 | TRANSMISSION HOUSING | Main structural case for gear assembly |
| 4657301130 | HOUS.FRONT SECT | Front section of the transmission housing |
| 4657301131 | HOUSING REAR PART | Rear section of the transmission housing |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing sections |
| 0636102489 | CAP SCREW | Fastener for housing assembly |
| 4656301148 | FIXING PLATE | Secures internal components in position |
| 0636102463 | CAP SCREW | Alternate fastener for housing sections |
| 4657201133 | SCREEN SHEET | Filter mesh for fluid passage |
| 0636115287 | CAP SCREW | High-torque fastener for rear housing |
| 4657301065 | PLATE | Cover plate for access port |
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