Overview
The ZF 4656.054.705 is a precision-engineered OEM genuine component designed specifically for the WG 160 Series transmission. This part functions as a critical sealing and alignment element within the transmission’s hydraulic control system, ensuring proper oil flow and pressure regulation during gear shifts. As an original equipment manufacturer (OEM) part, the SKU 4656.054.705 guarantees exact fitment and durability, reducing the risk of premature wear. It sits directly adjacent to the main gear train assembly, working in concert with the TRANSMISSION HOUSING to maintain structural integrity under high torque loads.
Symptoms of Failure
When the ZF 4656.054.705 begins to degrade, operators may notice specific performance issues. Common failure symptoms include:
- Hydraulic oil seepage around the WG 160 housing joints, often visible as dark residue on the transmission exterior.
- Delayed or harsh gear engagement during acceleration, caused by pressure loss in the valve body circuit.
- Whining or grinding noises from the transmission bell housing, indicating misalignment of internal components.
- Intermittent slipping under load, particularly when climbing grades or towing heavy equipment.
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 4656.054.705 |
| Material | High-grade aluminum alloy with steel insert |
| Weight | 1.2 kg (2.65 lbs) |
| Dimensions (L x W x H) | 145 mm x 85 mm x 40 mm |
| OEM Reference | ZF WG 160 Series |
| Seal Type | PTFE lip seal with metal casing |
Compatibility
This genuine ZF part is engineered primarily for the WG 160 transmission series. It is also compatible with the following ZF models that share the same hydraulic circuit architecture: WG 180, WG 200, and WG 150. For proper installation, ensure the HOUS.FRONT SECT and HOUSING REAR PART are free of debris. The HOUSING REAR SECTION must also be inspected for cracks during replacement.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101078 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4656201102 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4656201104 | HOUSING REAR PART | Rear housing for output shaft support |
| 4656298061 | HOUSING REAR SECTION | Rear section for oil sump integration |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0750301002 | FIXING PLATE | Secures hydraulic valve body |
| 0636100817 | CAP SCREW | Fastener for housing flanges |
| 4656301016 | SCREEN SHEET | Oil filter mesh for debris protection |
| 4656301017 | SCREEN SHEET | Secondary oil filter screen |
| 0636100803 | CAP SCREW | Bolt for rear housing attachment |
Frequently Asked Questions
Q: How do I know if the ZF 4656.054.705 needs replacement?
A: Look for visible oil stains on the transmission housing or a drop in hydraulic pressure during operation. If you notice gear slippage after 50,000 km, inspect this part immediately.
Q: Can I install this part without removing the entire transmission?
A: Yes, but you must first detach the HOUS.FRONT SECT and drain the transmission fluid. Always replace the gasket seals simultaneously.
Q: Is the 4656.054.705 interchangeable with aftermarket versions?
A: Only OEM genuine parts guarantee exact tolerances. Aftermarket variants may cause misalignment with the TRANSMISSION HOUSING, leading to accelerated wear.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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