Overview
The ZF 4656.175.066 is a precision-engineered component designed specifically for the WG 160 Series transmission. This OEM genuine part serves as a critical interface element within the gearbox assembly, ensuring proper alignment and load distribution between the main housing and rotating assemblies. The SKU 4656.175.066 is manufactured to ZF’s exacting tolerances, providing reliable performance in heavy-duty commercial vehicle applications. It integrates directly with the TRANSMISSION HOUSING to maintain structural integrity under high torque conditions.
Symptoms of Failure
When the ZF 4656.175.066 begins to wear, operators may notice distinct operational issues. Oil seepage around the housing joint is a common early indicator, often appearing as a thin film on the transmission exterior. Abnormal gear engagement noise—specifically a low-frequency hum or clatter during acceleration—signals that this part has lost its dimensional stability. Vibration through the chassis at highway speeds can also occur, as the component no longer properly dampens harmonic frequencies. Finally, intermittent gear slipping under load may develop, particularly when the transmission is hot, indicating that the 4656.175.066 is no longer maintaining correct internal clearances.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4656.175.066 |
| Material | High-strength aluminum alloy with corrosion-resistant coating |
| Weight | 1.85 kg (4.08 lbs) |
| Length | 215 mm |
| Width | 98 mm |
| Height | 42 mm |
| OEM Reference | ZF 4656.175.066 (Genuine) |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This OEM genuine part is primarily engineered for the ZF WG 160 Series transmission. It is also compatible with the WG 180 and WG 200 series models, as these share a common housing architecture. The 4656.175.066 interfaces directly with the HOUS.FRONT SECT and the HOUSING REAR PART to form a sealed assembly. For complete rebuilds, it should be paired with the HOUSING REAR SECTION to ensure proper alignment of the output shaft.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101077 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4656201102 | HOUS.FRONT SECT | Front section of the housing assembly |
| 4656201103 | HOUSING REAR PART | Rear housing section for output support |
| 4656298063 | HOUSING REAR SECTION | Complete rear housing unit |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing mating |
| 0750301002 | FIXING PLATE | Secures housing components together |
| 0636100817 | CAP SCREW | Fastener for housing attachment |
| 4656301016 | SCREEN SHEET | Filter screen for oil return |
| 4656301017 | SCREEN SHEET | Secondary filter screen element |
| 0636100803 | CAP SCREW | Bolt for securing screen sheets |
Frequently Asked Questions
Q: Can the ZF 4656.175.066 be reused after a transmission overhaul?
A: No. This is a single-use component that deforms slightly during initial torque application to create a proper seal. Always replace it with a new OEM genuine part during any rebuild.
Q: What tools are required to install the 4656.175.066?
A: Standard metric socket set and a torque wrench capable of 45-55 Nm are required. A soft-faced mallet may be needed for alignment with the HOUS.FRONT SECT.
Q: Does this part come with a warranty?
A: As an OEM genuine ZF component, it carries the standard manufacturer warranty against material defects for 12 months from the date of purchase, provided it is installed by a certified technician.
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Phone: +86 158 2286 3467 |
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