Overview
The ZF 4657.130.091 is a precision-engineered internal component designed for the WG160, WG190, and WG210 series transmissions. This OEM genuine part plays a critical role in maintaining proper hydraulic pressure and gear alignment within the transmission assembly. As a wear-sensitive element, the SKU 4657.130.091 interfaces directly with the TRANSMISSION HOUSING to ensure smooth power transfer and reliable operation under heavy industrial loads.
Symptoms of Failure
- Oil leaks near the housing seam: A worn 4657.130.091 can cause pressurized fluid to escape between the HOUS.FRONT SECT and the main casing, leading to low fluid levels and overheating.
- Gear slipping under load: When this part degrades, the transmission may fail to hold gear engagement, especially during uphill climbs or heavy towing operations.
- Abnormal vibration or whining noise: Misalignment caused by a failing 4657.130.091 often produces a distinct metallic whine that increases with RPM.
- Delayed engagement: Operators may notice a 2-3 second lag when shifting from neutral to drive, indicating internal pressure loss.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 4657.130.091 |
| Material | Hardened alloy steel with anti-corrosion coating |
| Weight | 0.85 kg (1.87 lbs) |
| Length | 142 mm |
| Width | 38 mm |
| Height | 22 mm |
| OEM Reference | ZF 4657.130.091 (Genuine) |
| Torque Rating | 120 Nm (max) |
Compatibility
This genuine ZF part is specifically engineered for the WG160, WG190, and WG210 transmission models. It also fits the WG180 and WG200 variants when used with the correct HOUSING REAR PART and HOUSING REAR SECTION. Always verify your transmission serial number before ordering to ensure proper fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101056 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4656201075 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4656201077 | HOUSING REAR PART | Rear housing component for output shaft |
| 4656298049 | HOUSING REAR SECTION | Secondary rear section for bearing support |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing mating surfaces |
| 4656301148 | FIXING PLATE | Secures internal components to housing |
| 0636100817 | CAP SCREW | Fastener for housing attachment |
| 4656301016 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4656301017 | SCREEN SHEET | Coarse mesh pre-filter for debris |
| 0636100803 | CAP SCREW | Low-profile fastener for tight spaces |
Frequently Asked Questions
Q: How do I know if the 4657.130.091 is the correct part for my WG190 transmission?
Check the stamped serial number on your transmission housing. If your unit falls within the WG160, WG190, or WG210 series, this part is compatible. For WG180 or WG200 models, verify that the rear housing sections (4656201077 or 4656298049) match your configuration.
Q: Can I install this part without replacing the housing seals?
It is strongly recommended to replace all seals and gaskets when installing the 4657.130.091. The part sits in a high-pressure zone, and old seals may cause immediate leaks.
Q: What is the typical lifespan of this component under normal operating conditions?
In standard industrial use with proper maintenance, the 4657.130.091 typically lasts 150,000 to 200,000 km. Heavy loads or contaminated fluid can reduce this lifespan significantly.
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Phone: +86 158 2286 3467 |
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