Overview
The ZF 4642.199.514 LOOSE PARTS kit is a critical service component designed specifically for the WG 201 series transmission. This genuine OEM assembly contains the internal fasteners, seals, and positioning elements required to secure the valve body and hydraulic control unit within the transmission housing. As a loose parts set, SKU 4642.199.514 ensures that every bolt, washer, and retaining clip meets ZF’s exacting tolerances for pressure retention and vibration resistance. Without this kit, the precise alignment of shift solenoids and pressure regulators cannot be guaranteed, leading to erratic gear engagement. This part sits directly above the main gearset and interfaces with the 4644101160: TRANSMISSION HOUSING to create a sealed hydraulic circuit.
Symptoms of Failure
When the ZF 4642.199.514 LOOSE PARTS begin to degrade, operators often notice three distinct failure modes. First, intermittent gear slippage under load occurs as the valve body loses its clamping force, allowing cross-port leakage. Second, external oil seepage around the control module becomes visible, typically pooling near the bellhousing seam. Third, delayed engagement when shifting from Neutral to Drive indicates that the loose parts can no longer maintain the necessary backpressure. In severe cases, erratic shift timing (harsh or flared shifts) will appear, often misdiagnosed as a solenoid issue. These symptoms directly correlate with worn retaining hardware in the 4642.199.514 assembly.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4642.199.514 |
| Material | Case-hardened steel with zinc-nickel plating |
| Weight | 0.42 kg (0.93 lbs) |
| Dimensions (L x W x H) | 145 mm x 85 mm x 30 mm |
| OEM Reference | ZF 4642.199.514 |
| Thread Pitch | M6 x 1.0 (primary fasteners) |
| Torque Specification | 12 Nm ± 1 Nm |
| Temperature Range | -40°C to +150°C |
Compatibility
This loose parts kit is engineered for the ZF WG 201 series, but its application extends to several closely related transmission models. The 4642.199.514 is directly compatible with the WG180, WG200, and WG211 series, as these share the same valve body mounting pattern. It also fits the WG160 and WG220 variants when used in conjunction with the 4644301323: TRANSMISSION HOUSING. For installations requiring additional sealing, the 4644301189: THREADED BUSH and 4475280043: SCREW PLUG are often replaced simultaneously. Always verify your transmission’s serial number against ZF’s technical bulletin before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101160 | TRANSMISSION HOUSING | Main structural casing for gear and valve body |
| 4644301323 | TRANSMISSION HOUSING | Alternate housing variant for WG200 series |
| 4644301189 | THREADED BUSH | Provides wear-resistant thread for shift rail |
| 4475280043 | SCREW PLUG | Seals hydraulic test ports |
| 0634306198 | O-RING | Prevents oil leakage at housing joints |
| 0730365067 | TYPE PLATE | Identification label for transmission model |
| 4644301161 | COVER PLATE | Protects valve body from debris |
| 0636100621 | HEXAGON SCREW | Secures cover plate to housing |
| 0631610020 | SET SCREW | Locks adjustment mechanisms |
| 0501218540 | BREATHER | Equalizes internal pressure |
