Overview
The ZF 4657.201.167 HOUS.FRONT SECT is a critical structural component designed for the WG190 and WG210 series transmissions. This OEM genuine part forms the forward section of the main transmission casing, directly housing the torque converter assembly and supporting the input shaft alignment. As the primary interface between the engine bellhousing and the main gearbox, this front section ensures precise axial positioning of rotating elements. The SKU 4657.201.167 is engineered to withstand high torsional loads and thermal expansion, making it indispensable for heavy-duty commercial vehicle applications. When replacing this component, it is common to also inspect the 4657101080: TRANSMISSION HOUSING and the 4657201171: HOUSING REAR PART for matching wear patterns.
Symptoms of Failure
- Front seal oil leakage around the bellhousing area: A cracked or warped front section often causes transmission fluid to seep past the input seal, leaving visible drips on the ground.
- Persistent gear engagement difficulty or slipping: When the housing distorts, it misaligns the clutch pack and planetary gears, leading to delayed shifts or unexpected neutral conditions.
- Abnormal vibration during acceleration: A damaged front section fails to dampen torque converter oscillations, transmitting harsh vibrations through the driveline.
- Metallic debris in the transmission pan: Fretting wear between the housing and mating components like the 4657298103: HOUSING REAR SECTION can generate fine metal particles that contaminate the oil.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 4657.201.167 |
| OEM Reference | ZF 4657.201.167 |
| Material | High-grade aluminum alloy (A356-T6) |
| Weight (approx.) | 12.4 kg (27.3 lbs) |
| Overall Length | 385 mm |
| Mounting Bolt Pattern | 8x M12 on 210 mm PCD |
| Max Operating Temperature | 120°C (248°F) |
| Seal Bore Diameter | 110.00 mm |
| Related Fastener | 0631306816: CYLINDRICAL PIN |
Compatibility
This front housing section is specifically engineered for ZF’s modular WG series. It is directly compatible with the WG190 and WG210 transmission models. Based on its structural design, it also fits the WG180 and WG200 variants when used with the appropriate adapter kit. The part interfaces seamlessly with the 4657101080: TRANSMISSION HOUSING and the 4657201171: HOUSING REAR PART to form a complete casing assembly. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101080 | TRANSMISSION HOUSING | Main structural body for gear train |
| 4657201171 | HOUSING REAR PART | Rear casing section for output shaft |
| 4657298103 | HOUSING REAR SECTION | Intermediate rear housing adapter |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | M10 bolt for housing fastening |
| 4656301148 | FIXING PLATE | Locking plate for bolt retention |
| 4657301034 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301035 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | M12 bolt for heavy-duty clamping |
| 4681301040 | OIL FEED.HOUSG. | Pressurized oil supply channel |
Frequently Asked Questions
Q: Can the ZF 4657.201.167 be installed without removing the transmission from the vehicle?
A: No. This front section requires full transmission removal and disassembly. It is bolted directly to the torque converter housing and main casing, necessitating a bench rebuild.
Q: What torque specification should I use for the mounting bolts?
A: For the M12 bolts securing this housing, use 85 Nm (63 ft-lbs) with thread locker. Always replace the 0631306816: CYLINDRICAL PIN during reassembly to ensure proper alignment.
Q: Is this part interchangeable between WG190 and WG210 models?
A: Yes, the 4657.201.167 is a shared component across both series. However, verify that your rear housing matches the 4657201171: HOUSING REAR PART for correct bolt pattern compatibility.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →

