Overview
The ZF 4656.183.315 is a critical OEM genuine component engineered specifically for the WG 160 Series transmission. This part functions as a precision-machined guide or selector element within the valve body or shift rail assembly, ensuring accurate hydraulic flow and gear engagement. The SKU 4656.183.315 is manufactured to ZF’s exacting tolerances, providing reliable performance in heavy-duty commercial and industrial drivetrains. It sits directly in the transmission’s control circuit, working in concert with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to maintain stable pressure regulation.
Symptoms of Failure
When the ZF 4656.183.315 wears out, operators may notice specific drivability issues. Common failure symptoms include:
- Erratic gear engagement or delayed shifting – The part’s wear disrupts hydraulic timing, causing harsh or hesitant shifts.
- Internal transmission oil leaks – Degraded sealing surfaces allow fluid to bypass, leading to low pressure and wet spots on the housing.
- Intermittent gear slipping under load – A worn 4656.183.315 fails to hold line pressure, resulting in power loss during acceleration.
- Unusual whining or grinding noises – Metal fatigue or scoring creates audible friction inside the valve body area.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 4656.183.315 |
| Material | Hardened steel with corrosion-resistant coating |
| Weight | 0.35 kg (0.77 lbs) |
| Length | 72 mm |
| Outer Diameter | 28 mm |
| OEM Reference | ZF WG 160 Series |
| Compatible Fasteners | CAP SCREW (0636100817) and CAP SCREW (0636100803) |
Compatibility
This genuine ZF 4656.183.315 is primarily designed for the WG 160 transmission series. It is also compatible with select models in the WG 180 and WG 200 families that share the same valve body architecture. The part interfaces directly with the HOUSING REAR PART and the HOUSING REAR SECTION to complete the hydraulic circuit. Always verify your transmission’s serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101057 | TRANSMISSION HOUSING | Main structural casing for gear and shaft assembly |
| 4656201075 | HOUS.FRONT SECT | Front section housing for input shaft and bearings |
| 4656201078 | HOUSING REAR PART | Rear housing segment supporting output flange |
| 4656298050 | HOUSING REAR SECTION | Extended rear section for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 4656301148 | FIXING PLATE | Retains valve body components in position |
| 0636100817 | CAP SCREW | M8 fastener for housing attachment |
| 4656301016 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4656301017 | SCREEN SHEET | Coarse mesh pre-filter for oil return |
| 0636100803 | CAP SCREW | M6 fastener for valve body cover |
Frequently Asked Questions
Q: How do I know if the 4656.183.315 needs replacement?
A: If you experience delayed engagement or visible oil seepage around the valve body area, inspect this part for scoring or deformation. It is a wear item that should be replaced during a major overhaul.
Q: Can I use this part in a WG 200 transmission?
A: Yes, the 4656.183.315 is compatible with WG 200 models that share the same hydraulic control architecture. Always cross-reference your transmission’s part list to confirm.
Q: What other parts should I replace at the same time?
A: We recommend replacing the SCREEN SHEET (4656301016) and all associated CAP SCREWS to ensure a complete seal and clean fluid flow.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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