Overview
The ZF 0501.009.460 is a precision-engineered OEM genuine part designed specifically for the WG 158 series transmission. This component plays a critical role in modulating hydraulic pressure within the valve body assembly, ensuring smooth clutch engagement and consistent power delivery under heavy load. As a wear-sensitive element, the 0501.009.460 directly influences shift quality and overall transmission longevity. The SKU 0501.009.460 is manufactured to ZF’s exacting tolerances, making it a direct replacement for failed units in commercial vehicles and industrial machinery. When installed alongside a properly sealed TRANSMISSION HOUSING, this part ensures that hydraulic circuits remain free of cross-leaks and pressure drops.
Symptoms of Failure
- Erratic shift timing or harsh engagement — A worn 0501.009.460 can cause delayed or abrupt gear changes, often described as “shift flare” or “clunking” during acceleration.
- Internal hydraulic pressure loss — Operators may notice sluggish performance or a “slipping” sensation under load, particularly when climbing grades or towing.
- Visible oil seepage around the valve body area — Cracks or deformation in the part can lead to ATF leaks, leaving puddles under the transmission bell housing.
- Intermittent neutral drops — A failing unit may cause the transmission to momentarily lose drive engagement, especially after prolonged operation at high temperatures.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0501.009.460 |
| OEM Reference | ZF 0501.009.460 |
| Material | Hardened steel with corrosion-resistant coating |
| Weight | 0.42 kg (0.93 lbs) |
| Length | 68 mm |
| Outer Diameter | 32 mm |
| Seal Type | Integrated O-ring groove |
Compatibility
This part is primarily engineered for the ZF WG 158 series, but it also fits select variants of the WG 180 and WG 200 transmissions used in off-highway trucks, wheel loaders, and agricultural tractors. Always verify the part number against your transmission’s serial plate. For complete assembly integrity, inspect the SHIFT SYSTEM and GEAR SHIFT HOUSING for wear when replacing the 0501.009.460. Additionally, the SCREW-IN SLEEVE should be torqued to factory specifications to prevent fluid bypass.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101190 | TRANSMISSION HOUSING | Encloses and supports all internal gear sets and valve bodies |
| 4644159347 | SHIFT SYSTEM | Controls hydraulic flow for gear selection and clutch application |
| 4475280036 | SCREW-IN SLEEVE | Provides a sealed passage for hydraulic fluid between components |
| 4644306511 | GEAR SHIFT HOUSING | Houses shift forks and detent mechanisms for precise gear engagement |
| 4644306440 | PISTON | Converts hydraulic pressure into mechanical force for clutch packs |
| 0635470104 | ROLLER | Reduces friction in shift rail and selector mechanisms |
| 0730006344 | RING | Seals static interfaces to prevent fluid migration |
| 0730006345 | RING | Provides backup sealing for high-pressure circuits |
| 0730006346 | RING | Maintains concentric alignment of rotating shafts |
| 0730006347 | RING | Prevents debris ingress at housing joints |
Frequently Asked Questions
Q: How do I know if the 0501.009.460 is the cause of my transmission slipping?
A: Slipping that occurs only in specific gears—combined with low line pressure readings at the test port—often points to a worn 0501.009.460. Inspect the part for scoring or flat spots before replacing.
Q: Can I reuse the old O-rings when installing this part?
A: No. ZF recommends always installing new seals. The RING (0730006344) and RING (0730006345) should be replaced simultaneously to guarantee a leak-free seal.
Q: Is the 0501.009.460 interchangeable with any aftermarket parts?
A: Only OEM ZF genuine parts guarantee the exact metallurgy and dimensional tolerances. Aftermarket copies may cause premature wear of the PISTON (4644306440) due to mismatched surface finishes.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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