Overview
The ZF 4657.183.427 LOOSE PARTS for WG210 is a critical internal assembly component designed specifically for the WG 210 Series transmission. This OEM genuine part functions as a precision-machined retention and alignment kit, ensuring that internal shafts and gear clusters remain securely positioned under high-torque loads. Located within the main gear housing, the SKU 4657.183.427 interfaces directly with the HOUS.FRONT SECT to maintain concentricity and prevent axial movement during operation. Without this loose parts set, the transmission’s internal clearances cannot be properly maintained, leading to accelerated wear across the entire drivetrain.
Symptoms of Failure
When the ZF 4657.183.427 LOOSE PARTS begins to fail, operators often notice intermittent gear slippage under load, particularly during uphill climbs or heavy hauling. A second common symptom is unusual metallic rattling from the bell housing during deceleration, indicating that internal components have lost their secure fit. Third, erratic shift engagement may occur as the loose parts allow the shift forks to drift out of alignment. Finally, low-frequency vibration at highway speeds can develop, which worsens over time and may be misdiagnosed as a driveshaft issue. Addressing these symptoms early prevents damage to the 螺栓 and surrounding hardware.
Technical Specifications
| Part Number | 4657.183.427 |
| OEM Reference | ZF 4657.183.427 |
| Material | Case-hardened alloy steel with phosphate coating |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions | 120 mm x 45 mm x 30 mm |
| Torque Spec | 85 Nm (62.7 ft-lbs) when paired with CAP SCREW |
| Sealing Requirement | Use O-RING for fluid-tight installation |
Compatibility
This genuine ZF 4657.183.427 LOOSE PARTS is engineered for the WG 210 Series, but it also shares dimensional compatibility with the WG180 and WG200 transmission models produced after 2012. The part is not backward-compatible with pre-2008 WG160 units due to differences in the CYLINDRICAL PIN bore diameter. For WG 210 applications, always verify that the FIXING PLATE and SCREEN SHEET are also replaced simultaneously to ensure proper oil flow and retention.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657201161 | HOUS.FRONT SECT | Front housing section for gear alignment |
| 0636115293 | 螺栓 | High-tensile bolt for housing fastening |
| 0634313603 | O-RING | Fluid seal between mating surfaces |
| 0631306816 | CYLINDRICAL PIN | Precision alignment dowel for components |
| 0636100801 | CAP SCREW | Fastener for securing loose parts assembly |
| 4656301148 | FIXING PLATE | Retention plate for internal hardware |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil debris |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for oil circuit |
| 0636100803 | CAP SCREW | Secondary fastener for housing assembly |
| 4681301040 | OIL FEED.HOUSG. | Oil feed housing for lubrication distribution |
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