Overview
This OEM genuine ZF 4657.130.093 is a critical internal component specifically engineered for the WG 160 Series transmission. It functions as a precision-machined guide or actuator element within the valve body or clutch pack assembly, ensuring accurate hydraulic fluid routing for smooth gear engagement. The SKU 4657.130.093 is manufactured to ZF’s exacting tolerances, guaranteeing a direct fit and restoring original shift quality. When paired with a robust TRANSMISSION HOUSING, this part maintains the structural integrity required for heavy-duty commercial applications.
Symptoms of Failure
- Delayed or harsh shifting: A worn 4657.130.093 can cause erratic hydraulic pressure, leading to noticeable hesitation or jarring gear changes.
- Intermittent gear slippage: As the part degrades, internal fluid paths may become obstructed, resulting in temporary loss of torque under load.
- Transmission overheating: Improper fluid routing forces the system to work harder, generating excessive heat that accelerates wear on adjacent components.
- Visible fluid contamination: Metal debris from a failing 4657.130.093 often appears in the oil pan, indicating internal degradation.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.130.093 |
| Material | Hardened alloy steel with anti-corrosion coating |
| Weight | 0.45 kg (1.0 lb) |
| Length | 82 mm |
| Width | 28 mm |
| Height | 18 mm |
| OEM Reference | ZF 4657.130.093 |
Compatibility
This genuine ZF 4657.130.093 is designed for the WG 160 Series transmission family. It is also compatible with the WG 180 and WG 200 models that share the same valve body architecture. For optimal sealing and alignment, always inspect the HOUS.FRONT SECT and HOUSING REAR PART for wear during replacement. In heavy-duty applications, the HOUSING REAR SECTION must also be verified for cracks or distortion to prevent premature failure of the new component.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101056 | TRANSMISSION HOUSING | Main structural casing that encloses all gear and clutch assemblies |
| 4656201075 | HOUS.FRONT SECT | Front section housing that supports the input shaft and pump |
| 4656201077 | HOUSING REAR PART | Rear housing segment that aligns the output shaft bearings |
| 4656298049 | HOUSING REAR SECTION | Extended rear housing section for planetary gear support |
| 0631306816 | CYLINDRICAL PIN | Precision dowel pin for exact alignment of housing halves |
| 4656301148 | FIXING PLATE | Locking plate that secures internal fasteners against vibration |
| 0636100817 | CAP SCREW | High-tensile bolt for critical housing connections |
| 4656301016 | SCREEN SHEET | Fine mesh filter for primary hydraulic fluid cleaning |
| 4656301017 | SCREEN SHEET | Secondary filter screen for auxiliary circuit protection |
| 0636100803 | CAP SCREW | Standard flange bolt for non-critical housing fastening |
Frequently Asked Questions
Q: Can I install the 4657.130.093 without replacing the housing seals?
A: It is strongly recommended to replace all adjacent seals and inspect the HOUS.FRONT SECT for scoring. Contaminated fluid can cause the new part to fail prematurely.
Q: How do I verify if the 4657.130.093 is the correct part for my WG160?
A: Check the stamped number on the transmission data plate. This SKU is specific to WG160 builds after 2015. Cross-reference with the TRANSMISSION HOUSING casting number for absolute confirmation.
Q: What is the typical service life of this component?
A: Under normal operating conditions with clean fluid, the 4657.130.093 lasts 300,000–500,000 km. Heavy loads or contaminated oil will reduce this significantly.
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Phone: +86 158 2286 3467 |
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