Overview
The ZF 4657.183.073 LOOSE PARTS for WG210 is a critical internal component set designed specifically for the WG 210 Series transmission. This OEM genuine part serves as a precision-engineered assembly kit that secures and positions key elements within the transmission’s hydraulic control system, ensuring consistent oil flow and gear engagement. The SKU 4657.183.073 is manufactured to ZF’s exacting tolerances, making it essential for maintaining the structural integrity of the valve body and clutch pack assembly. When installed alongside the 4657101039: TRANSMISSION HOUSING and the 4657201028: HOUS.FRONT SECT, this loose parts kit ensures that all fasteners and alignment components function as a unified system, preventing premature wear in high-stress operational environments.
Symptoms of Failure
When the ZF 4657.183.073 LOOSE PARTS begins to degrade, operators may notice several distinct failure indicators. First, intermittent gear slipping under load often occurs as the loose parts lose their clamping force, allowing clutch packs to disengage unexpectedly. Second, hydraulic fluid seepage around the transmission housing seam is a common symptom, typically caused by degraded sealing surfaces within this kit. Third, delayed engagement when shifting from neutral to drive can signal that the internal alignment pins are worn, reducing pressure buildup. Finally, unusual metallic rattling from the transmission bell housing may indicate that the 0631306792: CYLINDRICAL PIN has loosened, compromising the entire assembly’s stability.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.183.073 |
| Material | Hardened alloy steel with zinc-nickel coating |
| Weight | 0.45 kg (1.0 lb) |
| Dimensions | 120 mm x 85 mm x 30 mm (kit) |
| OEM Reference | ZF 4657.183.073 (Genuine) |
| Torque Rating | 45 Nm (33 ft-lb) for cap screws |
| Operating Temperature | -40°C to +120°C |
Compatibility
This OEM genuine part is primarily designed for the ZF WG 210 Series transmissions, but it also shares compatibility with several related models due to common housing architectures. The 4657.183.073 LOOSE PARTS kit is directly interchangeable with the WG180, WG200, and WG211 series when used in conjunction with the 4657201013: HOUSING REAR PART. It is also suitable for certain WG 150 variants that utilize the same bolt pattern and pin alignment. Always verify that the 0631306792: CYLINDRICAL PIN is included in your service kit to ensure proper fitment across these models.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101039 | TRANSMISSION HOUSING | Main structural casing for gear and clutch assembly |
| 4657201028 | HOUS.FRONT SECT | Front section housing for input shaft and pump |
| 4657201013 | HOUSING REAR PART | Rear section housing for output shaft and PTO |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing sections |
| 0636100801 | CAP SCREW | Fastener for securing housing flanges |
| 4656301148 | FIXING PLATE | Retention plate for valve body components |
| 4657301034 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4657301035 | SCREEN SHEET | Coarse mesh pre-filter for oil intake |
| 0636100803 | CAP SCREW | High-tensile bolt for clutch pack retention |
| 4681301040 | OIL FEED.HOUSG. | Oil feed housing for lubrication circuit |
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