Overview
This OEM genuine ZF 4657.183.145 LOOSE PARTS kit is a critical service component designed specifically for the WG 211 Series transmission. It functions as a collection of essential hardware and small components that secure and align internal assemblies within the gearbox. Positioned within the valve body and clutch housing area, this kit ensures that hydraulic circuits remain sealed and that moving parts maintain correct tolerances. The SKU 4657.183.145 is a factory-original part, guaranteeing a precise fit and long service life when replacing worn or missing hardware during a rebuild or overhaul.
Symptoms of Failure
When the components within the ZF 4657.183.145 LOOSE PARTS kit degrade or become damaged, operators may notice several distinct performance issues. One common symptom is erratic gear engagement, where the transmission hesitates or clunks when shifting between forward and reverse. Another frequent problem is low hydraulic pressure, often indicated by sluggish acceleration or a delayed shift response. Additionally, internal oil leaks can develop, leading to visible drips under the transmission housing or a persistent drop in fluid level. Finally, unusual vibration or noise from the transmission pan area may occur as loose hardware rattles against the casing.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.183.145 |
| OEM Reference | ZF 4657.183.145 |
| Material | Hardened Steel / Alloy |
| Weight | 0.45 kg (approx.) |
| Dimensions | Various (kit includes multiple small parts) |
| Compatible Series | WG 211 |
Compatibility
This LOOSE PARTS kit is engineered for the ZF WG 211 Series transmission. It is also compatible with select models in the WG180 and WG200 families, particularly those sharing the same valve body and clutch drum architecture. For exact fitment, always cross-reference your transmission serial number with the 4657.183.145 part number. This kit is frequently used alongside the 4657120005: PRESSURE REGULATOR and the 0501211384: VALVE to restore proper hydraulic function. Additionally, the 0630532183: INDENTED RING and 4656306145: PISTON are often replaced simultaneously to ensure complete assembly integrity.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657120005 | PRESSURE REGULATOR | Controls hydraulic pressure to clutch packs |
| 0501211384 | VALVE | Directs oil flow for shift timing |
| 0630532183 | INDENTED RING | Secures piston within clutch drum |
| 4656306145 | PISTON | Applies force to clutch plates |
| 0732042767 | COMPRESSION SPRING | Returns piston to neutral position |
| 0631612064 | SET SCREW | Adjusts valve body clearances |
| 0631610026 | SET SCREW | Locks shift rail position |
| 4657101049 | TRANSMISSION HOUSING | Main structural casing for gearbox |
| 4657301130 | HOUS.FRONT SECT | Front section of transmission housing |
| 4657301131 | HOUSING REAR PART | Rear section of transmission housing |
Frequently Asked Questions
Q: Can I use the ZF 4657.183.145 LOOSE PARTS kit on a WG180 transmission?
A: Yes, this kit is compatible with WG180, WG200, and WG211 series transmissions, provided the valve body and clutch drum configurations match. Always verify your transmission model before ordering.
Q: What is the typical lifespan of these loose parts?
A: Under normal operating conditions, these components can last 300,000 to 500,000 miles. However, heavy-duty applications or contaminated fluid may require earlier replacement.
Q: Do I need to replace the pressure regulator or valve at the same time?
A: It is highly recommended to replace the 4657120005: PRESSURE REGULATOR and 0501211384: VALVE when installing this kit, as worn hardware can cause premature failure of new parts.
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Phone: +86 158 2286 3467 |
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