Overview
The ZF 4656.006.132 is a precision-engineered OEM genuine component specifically designed for the WG 115 Series transmission. This critical part functions as a key interface within the hydraulic control circuit, regulating fluid flow to ensure smooth clutch engagement and consistent gear shifts. As an original equipment manufacturer (OEM) part, the SKU 4656.006.132 guarantees exact fitment and factory-specified tolerances, eliminating the risk of premature wear associated with aftermarket alternatives. It sits directly within the valve body assembly, where it modulates pressure to maintain optimal transmission performance under heavy-duty industrial loads.
Symptoms of Failure
- Erratic gear engagement or delayed shifting: When the 4656.006.132 wears, internal leakage disrupts hydraulic pressure, causing harsh or delayed shifts during acceleration.
- Transmission fluid seepage around the valve body: Deteriorated sealing surfaces on this part often lead to visible oil leaks near the transmission pan or housing joints.
- Intermittent slipping under load: A failing component cannot maintain adequate clamping force, resulting in momentary power loss when climbing or hauling heavy equipment.
- Increased operating temperature: Restricted fluid passages force the transmission to work harder, generating excess heat that may trigger warning lights or reduce service life.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 4656.006.132 |
| Material | High-strength aluminum alloy with hardened steel inserts |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions | 145 mm x 90 mm x 55 mm |
| OEM Reference | ZF WG 115 Series |
| Seal Type | Nitrile rubber O-ring (integrated) |
Compatibility
This genuine ZF 4656.006.132 part is engineered for the WG 115 transmission series. It is also compatible with the following ZF models that share the same valve body architecture: WG 180, WG 200, WG 150, and WG 210. Always verify your transmission serial number before installation to ensure correct fitment.
Related Components
When replacing the 4656.006.132, it is recommended to inspect and replace adjacent parts that share the same hydraulic circuit. The following components are commonly installed alongside this part in the same ZF assembly:
- 4656101057: TRANSMISSION HOUSING – Provides structural support and fluid containment.
- 4656201075: HOUS.FRONT SECT – Front section housing for gear train alignment.
- 4656201078: HOUSING REAR PART – Rear housing component for torque converter support.
- 4656298050: HOUSING REAR SECTION – Rear section housing for output shaft bearing retention.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 0631306816 | CYLINDRICAL PIN | Aligns and secures valve body components |
| 4656301148 | FIXING PLATE | Retains internal seals and prevents leakage |
| 0636100817 | CAP SCREW | Fastens housing sections with precise torque |
| 4656301016 | SCREEN SHEET | Filters debris from hydraulic fluid |
| 4656301017 | SCREEN SHEET | Secondary filtration for fine particles |
| 0636100803 | CAP SCREW | Secures valve body to transmission housing |
Frequently Asked Questions
Q: How do I know if the 4656.006.132 is failing?
A: Look for delayed engagement when shifting from Park to Drive, or a noticeable shudder during acceleration. If you see fluid pooling under the transmission, this part is likely compromised.
Q: Can I install this part without removing the entire transmission?
A: Yes, the 4656.006.132 is accessible after dropping the transmission oil pan and removing the valve body. However, we recommend replacing the gasket and filter simultaneously.
Q: Is this part interchangeable with aftermarket versions?
A: Only OEM genuine parts like this one guarantee exact dimensional tolerances. Aftermarket copies often fail prematurely due to inferior sealing materials.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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