Overview
The ZF 4656.160.002 is a precision-engineered OEM genuine component designed for the WG160, WG190, and WG210 series transmissions. This part functions as a critical interface element within the hydraulic control system, ensuring proper oil flow and pressure regulation during gear shifts. As an original ZF part, the SKU 4656.160.002 guarantees exact fitment and long service life, reducing the risk of premature wear in heavy-duty commercial vehicle applications. It is mounted directly within the valve body assembly, where it interacts with the 4656201085: HOUS.FRONT SECT to maintain structural integrity under high torque loads.
Symptoms of Failure
- Oil leaks around the valve body: A worn 4656.160.002 can cause transmission fluid to seep past sealing surfaces, leading to low fluid levels and erratic shifting.
- Delayed or harsh gear engagement: When this part loses its dimensional accuracy, hydraulic pressure drops, resulting in sluggish clutch application or abrupt shifts.
- Intermittent slipping under load: As the component degrades, internal pressure fluctuations cause the transmission to momentarily lose torque transfer, especially during uphill climbs.
- Unusual whining or buzzing noises: A failing part may allow vibration or cavitation within the hydraulic circuit, producing audible sounds from the transmission housing.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4656.160.002 |
| Material | Hardened steel with anti-corrosion coating |
| Weight | 0.85 kg (1.87 lbs) |
| Length | 112 mm |
| Width | 48 mm |
| Height | 32 mm |
| Operating Temperature Range | -40°C to +120°C |
| OEM Reference | ZF 4656.160.002 |
Compatibility
This genuine ZF part is specifically engineered for the WG160, WG190, and WG210 series transmissions. It is also compatible with the WG180 and WG200 models when used in conjunction with the correct 0636115293: 螺栓 and 0634313603: O-RING for sealing. For proper installation, ensure the 0631306816: CYLINDRICAL PIN is aligned correctly to avoid misalignment. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656201085 | HOUS.FRONT SECT | Front housing section for valve body mounting |
| 0636115293 | 螺栓 | Mounting bolt for secure fastening |
| 0634313603 | O-RING | Sealing ring to prevent fluid leaks |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise assembly |
| 4656301148 | FIXING PLATE | Retaining plate for component stability |
| 0636100817 | CAP SCREW | Threaded fastener for cover plates |
| 4656301016 | SCREEN SHEET | Fine mesh filter for oil debris |
| 4656301017 | SCREEN SHEET | Coarse mesh filter for initial filtration |
| 0636100803 | CAP SCREW | Low-profile screw for tight spaces |
| 4656301047 | OIL FEED.HOUSG. | Housing for oil supply channel |
Frequently Asked Questions
Q: Can the 4656.160.002 be used in a WG180 transmission?
A: Yes, it is compatible with WG180 models, provided you also replace the 0634313603: O-RING and check the 0631306816: CYLINDRICAL PIN for wear.
Q: What tools are required for installation?
A: Standard metric socket set, torque wrench, and a sealant applicator. The 0636115293: 螺栓 must be torqued to 25 Nm.
Q: How do I verify if this part is genuine OEM?
A: Check for the ZF logo and part number 4656.160.002 laser-etched on the surface. Counterfeit parts often lack this marking.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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