Overview
The ZF 4657.171.063 is a precision-engineered OEM genuine component specifically designed for the WG 190 Series transmission. This part functions as a critical internal guide or support element within the gear train assembly, ensuring correct alignment and load distribution during operation. The SKU 4657.171.063 is manufactured to ZF’s exacting tolerances, making it essential for maintaining the structural integrity of the transmission’s internal housing. When paired with the 4657101088: TRANSMISSION HOUSING, this part ensures that all rotating components remain securely positioned under high torque conditions.
Symptoms of Failure
- Abnormal gear engagement noise: A worn 4657.171.063 often produces a distinct grinding or whining sound during shifting, particularly under load.
- Oil seepage around the housing interface: Deterioration of this component can compromise the seal between the 4657201183: HOUS.FRONT SECT and the main case, leading to visible fluid leaks.
- Intermittent gear slippage: When this part loses dimensional stability, it can cause misalignment, resulting in unexpected clutch pack disengagement during acceleration.
- Vibration in neutral: A failing 4657.171.063 may allow excessive axial play, transmitting noticeable vibration through the chassis even when the transmission is not in gear.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number (SKU) | 4657.171.063 |
| Material | High-strength alloy steel with anti-corrosion coating |
| Weight | 0.85 kg (1.87 lbs) |
| Length | 142 mm |
| Width | 58 mm |
| Height | 32 mm |
| OEM Reference | ZF 4657.171.063 |
| Torque Capacity | Up to 1,200 Nm |
Compatibility
This OEM genuine part is primarily engineered for the ZF WG 190 Series transmission. It is also compatible with the WG 180 and WG 200 models, as well as certain variants of the WG 210 series that share the same internal architecture. The 4657.171.063 works in conjunction with the 4657201184: HOUSING REAR PART and the 4657298111: HOUSING REAR SECTION to form a complete structural assembly. Always verify your transmission’s serial number before ordering to ensure correct fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101088 | TRANSMISSION HOUSING | Main structural casing for gear and shaft support |
| 4657201183 | HOUS.FRONT SECT | Front section housing for input shaft bearing |
| 4657201184 | HOUSING REAR PART | Rear housing segment for output shaft alignment |
| 4657298111 | HOUSING REAR SECTION | Additional rear structural support component |
| 0631306816 | CYLINDRICAL PIN | Precision alignment pin for housing assembly |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4681301015 | FIXING PLATE | Retention plate for internal component positioning |
| 4681301016 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4681301017 | SCREEN SHEET | Secondary mesh filter for debris protection |
| 0636100803 | CAP SCREW | High-tensile bolt for final assembly |
Frequently Asked Questions
Q: How do I know if the 4657.171.063 needs replacement?
A: Listen for metallic rattling during gear changes or check for oil stains near the housing joint. If you notice any of the failure symptoms listed above, inspect this part immediately.
Q: Can I install this part without removing the entire transmission?
A: In most WG 190 applications, access to the 4657.171.063 requires removal of the rear housing section. We recommend consulting the ZF service manual for your specific model.
Q: Is this part interchangeable with aftermarket alternatives?
A: This OEM genuine part is engineered to ZF’s original specifications. Aftermarket copies may not match the exact hardness or dimensional tolerances required for reliable operation.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
