Overview
The ZF 4656.054.707 is a critical OEM genuine component engineered specifically for the WG 160 Series transmission. This part functions as a precision-machined guide or alignment element within the transmission’s hydraulic control assembly, ensuring accurate oil flow and pressure regulation during gear shifts. As a factory-original ZF part, the SKU 4656.054.707 guarantees exact fitment and material integrity, eliminating the guesswork associated with aftermarket substitutes. It sits directly within the valve body or clutch pack circuit, where it maintains consistent sealing and directional control of transmission fluid.
Symptoms of Failure
When the ZF 4656.054.707 begins to wear, operators often notice intermittent gear engagement delays during low-speed maneuvers, a common long-tail search query for WG160 transmission issues. Another frequent symptom is erratic shift quality under load, where the transmission hunts between gears or produces harsh upshifts. You may also observe fluid seepage around the valve body area, as degraded sealing surfaces allow hydraulic pressure to escape. Finally, incomplete clutch pack application can occur, leading to temporary power loss during acceleration—a sign that this part is no longer maintaining proper fluid routing.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number (SKU) | 4656.054.707 |
| Material | Hardened alloy steel with anti-corrosion coating |
| Weight | 0.42 kg (0.93 lbs) |
| Dimensions (L x W x H) | 85 mm x 32 mm x 18 mm |
| OEM Reference | ZF 4656.054.707 (Genuine) |
| Surface Finish | Ground and polished to 0.8 µm Ra |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This part is primarily designed for the ZF WG 160 Series transmission, but it also shares dimensional compatibility with the WG 180 and WG 200 models due to identical valve body architecture. It is not recommended for use in older ZF 4HP or 5HP series units. Always verify your transmission’s serial number against the OEM parts catalog before installation. The 4656.054.707 is frequently replaced alongside the TRANSMISSION HOUSING (4656101077), which provides the structural envelope for the entire assembly. Additionally, the HOUS.FRONT SECT (4656201102) and HOUSING REAR PART (4656201103) are adjacent components that must be inspected for wear during any rebuild. For complete rear-end integrity, the HOUSING REAR SECTION (4656298063) should also be evaluated.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101077 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4656201102 | HOUS.FRONT SECT | Front section of transmission housing |
| 4656201103 | HOUSING REAR PART | Rear housing segment for output shaft |
| 4656298063 | HOUSING REAR SECTION | Additional rear section for extended models |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0750301002 | FIXING PLATE | Secures valve body components |
| 0636100817 | CAP SCREW | Fastener for housing assembly |
| 4656301016 | SCREEN SHEET | Fine mesh filter for fluid debris |
| 4656301017 | SCREEN SHEET | Coarse mesh pre-filter for sump |
| 0636100803 | CAP SCREW | Mounting bolt for valve body cover |
Frequently Asked Questions
Q: Can I use the ZF 4656.054.707 in a WG180 transmission?
A: Yes, the WG180 shares the same valve body layout as the WG160, making this part fully compatible. However, always cross-reference your transmission’s serial number with the OEM parts list to confirm.
Q: What tools are required to replace this part?
A: Replacement typically requires a torque wrench, hex key set, and a seal puller. You will also need to drain the transmission fluid and remove the oil pan to access the valve body area.
Q: How often should the 4656.054.707 be inspected?
A: During major transmission overhauls every 300,000 km (186,000 miles) or when failure symptoms like delayed engagement appear. It is not a scheduled maintenance item under normal conditions.
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Phone: +86 158 2286 3467 |
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