Overview
The ZF 4657.183.063 LOOSE PARTS kit is a critical service package designed specifically for the WG 210 series transmission. This genuine OEM assembly contains the essential loose hardware and small components required to secure and align internal transmission assemblies during a rebuild or major repair. Positioned within the main gearcase, this kit interfaces directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to ensure proper clamping force and alignment of the planetary gear sets. The SKU 4657.183.063 is a factory-sealed package that eliminates guesswork during overhaul, providing every fastener and spacer needed for the WG210 core assembly.
Symptoms of Failure
- Transmission housing oil seepage at mating flanges: When the loose parts kit components wear or corrode, the seal between the HOUSING REAR PART and the main case can degrade, causing slow oil weeping that leaves residue on the bell housing.
- Audible rattling or vibration during gear engagement: Worn CYLINDRICAL PIN components within this kit can allow slight movement of the valve body or clutch pack, producing a metallic chatter under load.
- Intermittent gear slippage under heavy torque: Loose or missing fasteners from the kit can cause the clutch housing to shift out of alignment, leading to pressure loss and delayed engagement in forward gears.
- Difficulty shifting into reverse or low gear: Degraded locating pins and washers in the 4657.183.063 set can misalign the shift rail, creating a hard shift condition that worsens as the transmission heats up.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 4657.183.063 |
| Kit Contents | Bolts, washers, pins, spacers, retaining clips |
| Material Composition | Steel (grade 10.9), zinc-plated |
| Weight (kit) | 0.85 kg (1.87 lbs) |
| Thread Size (primary bolt) | M10 x 1.5 |
| Torque Specification | 45 Nm (33 ft-lbs) dry |
| OEM Reference | ZF 4657.183.063 |
Compatibility
This genuine ZF loose parts kit is engineered for the WG 210 series transmission family. Based on the part type and housing interface, it is also compatible with the following ZF models: WG180, WG200, WG210, and WG250. The kit is specifically designed to work with the TRANSMISSION HOUSING and the HOUS.FRONT SECT found in these transmissions. For off-highway and industrial applications using the WG platform, this kit replaces all loose hardware in the main case assembly. Always verify your transmission serial number against the ZF parts catalog before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101034 | TRANSMISSION HOUSING | Main structural case for gear train |
| 4657201027 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201012 | HOUSING REAR PART | Rear section housing for output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing dowels |
| 0636100801 | CAP SCREW | Fastener for housing flanges |
| 4656301148 | FIXING PLATE | Retainer for bearing preload |
| 4657301032 | SCREEN SHEET | Filter screen for oil sump |
| 4657301033 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | Fastener for valve body |
| 4681301040 | OIL FEED.HOUSG. | Oil feed housing for lubrication |
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