Overview
The ZF 4656.183.209 is a precision-engineered OEM genuine part designed specifically for the WG 160 Series transmission. This component serves as a critical interface element within the gearbox assembly, ensuring proper alignment and oil flow regulation between the main housing sections. The SKU 4656.183.209 is manufactured to ZF’s exacting tolerances, providing a direct replacement that restores factory-specified performance. It sits between the front and rear housing sections, acting as a sealing and positioning element that prevents contamination ingress while maintaining structural integrity under high torque loads.
Symptoms of Failure
When the ZF 4656.183.209 begins to wear, operators typically notice oil seepage at the transmission housing joint—a common long-tail search query for WG160 series failures. Another frequent symptom is intermittent gear engagement hesitation, particularly during cold starts, as degraded sealing allows pressure loss. You may also detect metallic debris in the transmission fluid during routine changes, indicating material fatigue. Finally, abnormal vibration at cruising speeds often points to this part losing its dimensional stability, allowing misalignment between the TRANSMISSION HOUSING and HOUS.FRONT SECT.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4656.183.209 |
| Material | Aluminum alloy with nitrile rubber seal |
| Weight | 0.85 kg (1.87 lbs) |
| Outer Diameter | 142 mm |
| Inner Diameter | 98 mm |
| Height | 22 mm |
| OEM Reference | ZF 4656.183.209 |
| Operating Temperature | -40°C to +120°C |
| Seal Type | Static lip seal with dust exclusion |
Compatibility
This genuine ZF part is primarily engineered for the WG 160 Series transmission, but it also fits select variants in the WG180 and WG200 families due to shared housing architecture. It is directly compatible with the HOUSING REAR PART and HOUSING REAR SECTION assemblies. Always verify your transmission serial number against ZF’s OEM cross-reference before installation, as minor revisions exist between early and late production units.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101057 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4656201075 | HOUS.FRONT SECT | Forward housing section with bearing seats |
| 4656201078 | HOUSING REAR PART | Rear housing section for output shaft support |
| 4656298050 | HOUSING REAR SECTION | Extended rear housing for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing registration |
| 4656301148 | FIXING PLATE | Retains oil screen in sump cavity |
| 0636100817 | CAP SCREW | M10x25 bolt for housing fastening |
| 4656301016 | SCREEN SHEET | Fine mesh filter for hydraulic circuit |
| 4656301017 | SCREEN SHEET | Coarse mesh pre-filter for sump |
| 0636100803 | CAP SCREW | M8x20 bolt for cover plate |
Frequently Asked Questions
Q: Can I install the 4656.183.209 without replacing the housing gasket?
A: No. ZF recommends always replacing the mating gasket simultaneously, as the seal surface on this part works in conjunction with the housing face to prevent leaks.
Q: Does this part require special tools for installation?
A: Yes. A torque wrench calibrated to 45 Nm and a seal driver kit are necessary to avoid damaging the rubber lip during assembly.
Q: How often should the 4656.183.209 be inspected?
A: During every major transmission overhaul (typically every 500,000 km or 10,000 operating hours), this component should be replaced as a preventive measure.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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