Overview
The ZF 4657.183.317 LOOSE PARTS kit is a critical service component designed for the WG 210 series transmission. This genuine OEM assembly contains the specific fasteners, seals, and positioning elements required to secure the main housing sections during rebuild or repair. The SKU 4657.183.317 is installed directly within the transmission casing, acting as the retention system for the TRANSMISSION HOUSING and its adjoining sections. Without this loose parts set, the structural integrity of the gearbox is compromised, leading to misalignment of internal shafts and clutches.
Symptoms of Failure
When the ZF 4657.183.317 LOOSE PARTS begin to degrade or are missing during reassembly, operators will notice distinct operational issues. Look for these specific failure symptoms to identify a worn or incomplete kit:
- Transmission oil leaks at housing joints: Worn or missing fasteners from this kit cause separation between the HOUS.FRONT SECT and the main body, allowing ATF to seep out under pressure.
- Gear slipping under load: Loose housing sections create axial play, preventing proper clutch pack engagement and causing intermittent power loss.
- Abnormal vibration or rattle from the bell housing: Degraded locating pins or bolts within the 4657.183.317 set allow the HOUSING REAR PART to shift, generating metallic noise during gear changes.
- Difficulty engaging gears: Misalignment of the HOUSING REAR SECTION due to faulty loose parts prevents the shift linkage from moving freely.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 4657.183.317 |
| Product Type | LOOSE PARTS Kit (Hardware Set) |
| Material Composition | Steel (fasteners), Rubber (seals), Zinc-plated alloy |
| Weight (estimated) | 0.85 kg (1.87 lbs) |
| OEM Reference | ZF Friedrichshafen AG |
| Application | WG 210 Series |
Compatibility
This genuine ZF 4657.183.317 LOOSE PARTS kit is primarily engineered for the WG 210 transmission series. Based on the housing geometry and fastener pattern, it is also compatible with the WG 180 and WG 200 series models that share the same split-case architecture. Always verify the housing casting numbers before installation, as variations exist between early and late production units. The kit directly interfaces with the TRANSMISSION HOUSING and the front/rear sections to maintain factory tolerances.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201166 | HOUS.FRONT SECT | Front section housing for pump and converter |
| 4657201170 | HOUSING REAR PART | Rear casing for output shaft support |
| 4657298102 | HOUSING REAR SECTION | Extended rear housing for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0636100801 | CAP SCREW | High-tensile bolt for housing fastening |
| 4656301148 | FIXING PLATE | Locking plate for bolt retention |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for sump |
| 0636100803 | CAP SCREW | Flanged bolt for valve body mounting |
