Overview
The ZF 4657.183.058 is a critical OEM genuine component engineered specifically for the WG 210 series transmission. This part functions as a precision-machined guide or sealing element within the hydraulic control circuit, ensuring consistent oil flow and pressure regulation during gear shifts. Positioned in the valve body or clutch pack assembly, the SKU 4657.183.058 directly influences shift quality and torque delivery. When this component degrades, the entire transmission’s hydraulic balance is compromised, leading to operational inefficiencies. For maximum assembly integrity, this part is installed alongside the 4657101034: TRANSMISSION HOUSING, which provides the structural foundation for the entire gear train.
Symptoms of Failure
- Delayed or harsh gear engagement: A worn 4657.183.058 disrupts hydraulic pressure, causing noticeable lag when shifting from neutral to drive or reverse.
- Intermittent transmission slipping under load: As the part loses its sealing capability, the WG210 may slip during acceleration, particularly on inclines or when towing heavy loads.
- Low hydraulic pressure warnings or erratic shifting: Internal leakage from a degraded component triggers pressure drops, leading to unpredictable shift patterns and potential diagnostic trouble codes.
- Visible oil seepage around the valve body area: A cracked or warped 4657.183.058 allows ATF to escape, leaving residue on the transmission housing exterior.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4657.183.058 |
| Material | Hardened steel with anti-corrosion coating |
| Outer Diameter | 38.5 mm |
| Inner Diameter | 18.2 mm |
| Height / Length | 42.0 mm |
| Weight | 0.14 kg |
| Surface Finish | Ground and polished (Ra 0.4) |
| OEM Reference | ZF 4657.183.058 (Genuine) |
Compatibility
This genuine ZF part is primarily designed for the WG 210 Series transmission, but it also shares dimensional and functional compatibility with earlier WG180 and WG200 models that utilize the same hydraulic valve body architecture. It is a direct replacement for units requiring the 4657.183.058 component in the clutch feed circuit. For proper alignment during installation, ensure the 4657201027: HOUS.FRONT SECT and the 4657201012: HOUSING REAR PART are free of debris. Additionally, the 0631306792: CYLINDRICAL PIN must be inspected for wear to guarantee precise dowel alignment during reassembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101034 | TRANSMISSION HOUSING | Main structural casing for gear and clutch assemblies |
| 4657201027 | HOUS.FRONT SECT | Front section housing for input shaft and pump |
| 4657201012 | HOUSING REAR PART | Rear section supporting output shaft and bearings |
| 0631306792 | CYLINDRICAL PIN | Precision dowel for aligning housing halves |
| 0636100801 | CAP SCREW | Fastener for securing valve body components |
| 4656301148 | FIXING PLATE | Retention plate for hydraulic circuit components |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil intake protection |
| 4657301033 | SCREEN SHEET | Secondary filter for return line debris capture |
| 0636100803 | CAP SCREW | High-torque fastener for housing attachment |
| 4681301040 | OIL FEED.HOUSG. | Oil delivery housing for lubrication circuits |
Frequently Asked Questions
Q: Can the 4657.183.058 be reused if it appears visually intact?
A: No. Even minor surface wear or dimensional deviation can cause hydraulic leakage. Always replace this OEM genuine part with a new unit to maintain WG210 shift quality.
Q: Is this part interchangeable between WG180 and WG210 transmissions?
A: Yes, the 4657.183.058 is dimensionally identical for both WG180 and WG200 series, but always verify the valve body revision number to confirm compatibility.
Q: What torque specification is required for the cap screws securing this component?
A: Use 18 Nm for the 0636100801: CAP SCREW and 22 Nm for the 0636100803: CAP SCREW when reinstalling the valve body cover.
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