Overview
The ZF 4642.199.772 LOOSE PARTS kit is a critical service component designed specifically for the WG 200 Series transmission. This OEM genuine part consolidates essential hardware and sealing elements required to maintain the integrity of the transmission assembly. Positioned within the valve body and shift system interface, this kit ensures that all loose components—including fasteners, retainers, and small seals—remain securely in place during high-torque operations. The SKU 4642.199.772 is engineered to restore factory tolerances, preventing internal play that can lead to premature wear. When servicing your WG200, pairing this kit with a new 4644101232: TRANSMISSION HOUSING or a 4644301282: TRANSMISSION HOUSING ensures a complete overhaul of the main structural components.
Symptoms of Failure
- Intermittent gear slippage under load: When the loose parts within the valve block or shift system become worn, hydraulic pressure fluctuates, causing the transmission to slip between gears during acceleration.
- External oil seepage from housing joints: Deteriorated seals and loose fasteners in this kit allow transmission fluid to weep from mating surfaces, often leaving visible residue on the bell housing or pan.
- Erratic shift timing or harsh engagement: Worn retaining clips or bolts can cause the shift system to misalign, resulting in delayed or jarring gear changes, particularly in the WG200 series.
- Audible rattling from the transmission casing: Loose internal hardware creates a metallic rattle at idle or low RPM, indicating that the 4475280043: SCREW PLUG or associated fasteners have lost their clamping force.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 4642.199.772 |
| OEM Reference | ZF 4642.199.772 |
| Material Composition | Steel alloy with zinc plating; elastomer seals |
| Weight (estimated) | 0.45 kg (1.0 lb) |
| Dimensions (L x W x H) | 120 mm x 80 mm x 30 mm |
| Compatible Housing | 4644101232 / 4644301282 |
| Required Seal | 0634306198: O-RING |
| Threaded Plug | 4475280043: SCREW PLUG |
Compatibility
This LOOSE PARTS kit is primarily engineered for the ZF WG 200 Series transmissions, including the WG200, WG210, and WG180 variants. It is also compatible with select ZF Ecolife and Ecomat models that share the same valve block and shift system architecture. For precise fitment, always verify the housing type; the kit integrates seamlessly with the 4644301298: COVER PLATE and the 4644106300: SHIFT SYSTEM. Additionally, it supports the 4644159300: SHIFT SYSTEM and the 4644306560: VALVE BLOCK found in later WG200 revisions. Always replace the 0634306198: O-RING during installation to guarantee a leak-free seal.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101232 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4644301282 | TRANSMISSION HOUSING | Alternate housing variant for WG200 |
| 4475280043 | SCREW PLUG | Seals hydraulic passages |
| 0634306198 | O-RING | Prevents fluid leakage at joints |
| 0730365067 | TYPE PLATE | Identification and serial number plate |
| 4644301298 | COVER PLATE | Protects valve body assembly |
| 4644106300 | SHIFT SYSTEM | Controls gear selection mechanism |
| 4644306500 | COVER PLATE | Secondary cover for shift system |
| 4644159300 | SHIFT SYSTEM | Alternate shift system variant |
| 4644306560 | VALVE BLOCK | Hydraulic control distribution |
