Overview
The ZF 4657.183.396 LOOSE PARTS set is a critical OEM genuine service kit designed specifically for the WG 211 series transmission. This assembly contains the essential loose hardware and fasteners required to secure internal components during a rebuild or major repair. Positioned within the transmission’s main casing, these parts ensure that key assemblies—such as the clutch packs and planetary gear sets—remain firmly seated under high torque loads. The SKU 4657.183.396 is often sourced alongside the TRANSMISSION HOUSING to guarantee a complete and leak-free reassembly.
Symptoms of Failure
- Transmission oil leaks at the housing seam: When the loose parts (bolts, washers, or sealing elements) degrade, oil can seep past the HOUS.FRONT SECT joint, leaving visible drips under the vehicle.
- Intermittent gear slipping under load: Worn or missing fasteners from this kit allow the HOUSING REAR PART to shift slightly, causing clutch pack misalignment and power loss.
- Unusual metallic rattling from the bell housing: Loose components can vibrate against the CYLINDRICAL PIN, creating a distinct noise that worsens with RPM changes.
- Hard shifting or delayed engagement: A failure in the retaining hardware alters the axial clearance, leading to harsh gear changes and increased wear on synchronizers.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4657.183.396 |
| Material Composition | High-tensile steel with zinc-nickel plating |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| Dimensions (L x W x H) | 120 mm x 80 mm x 25 mm |
| Compatible Series | WG 211 |
| Included Fasteners | Bolts, washers, retaining clips |
Compatibility
This genuine ZF loose parts kit is engineered for the WG 211 series but is also compatible with earlier WG180 and WG200 variants that share the same housing architecture. It directly interfaces with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to restore factory tolerances. For complete rebuilds, pairing this kit with the HOUSING REAR PART and a new CYLINDRICAL PIN is strongly recommended to prevent premature wear.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101049 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4657301130 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657301131 | HOUSING REAR PART | Rear section supporting output flange |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing halves |
| 0636102489 | CAP SCREW | High-strength bolt for housing fastening |
| 4656301148 | FIXING PLATE | Secures internal bearing races |
| 0636102463 | CAP SCREW | M10 bolt for valve body attachment |
| 4657201133 | SCREEN SHEET | Filter mesh for oil sump protection |
| 0636115287 | CAP SCREW | M12 bolt for torque converter housing |
| 4657301065 | PLATE | Thrust washer for planetary gear |
Frequently Asked Questions
Q: Can I reuse the original fasteners instead of buying the 4657.183.396 kit?
A: ZF recommends replacing all loose parts during a rebuild because bolts stretch and threads wear. Reusing old hardware can lead to uneven clamping and eventual oil leaks.
Q: Does this kit include the CYLINDRICAL PIN for alignment?
A: No, the 0631306816 pin is sold separately. You will need to order it alongside this kit to properly align the housing sections during assembly.
Q: Is this part compatible with the WG180 series without modification?
A: Yes, the 4657.183.396 kit is a direct fit for WG180, WG200, and WG211 transmissions that use the same bolt pattern and housing dimensions.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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