Overview
The ZF 4642.199.236 LOOSE PARTS kit is a critical service component engineered specifically for the WG 150 series transmission. This OEM genuine assembly contains the necessary loose hardware—including seals, retainers, and positioning elements—that secure internal sub-assemblies within the planetary gear set. The SKU 4642.199.236 is designed to replace worn or damaged fasteners and spacers that maintain proper clutch pack clearance and oil flow channels. When installed alongside the 4642101109: TRANSMISSION HOUSING or the 4642301205: TRANSMISSION HOUSING, this kit ensures that all loose components remain within factory tolerances, preventing internal misalignment during high-torque operation.
Symptoms of Failure
- Intermittent gear slippage under load: When the loose parts in this kit fatigue, clutch packs lose their preload, causing the WG150 to slip between 3rd and 4th gear during uphill climbs.
- Metallic rattling from the bell housing: Worn retainers or spacers allow planetary gears to shift axially, producing a distinct rattle at idle that worsens with transmission temperature.
- Delayed engagement from Neutral to Drive: Degraded positioning elements in the 4642.199.236 kit prevent the shift valve from achieving full stroke, resulting in a 2–3 second engagement lag.
- Contaminated oil with bronze particles: Loose hardware that has fractured can abrade against the 0631311009: GROOVED STUD, shedding fine metallic debris into the hydraulic circuit.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4642.199.236 |
| OEM Reference | ZF 4642.199.236 |
| Material Composition | Case-hardened steel (retainers), nitrile rubber (seals) |
| Weight | 0.85 kg (1.87 lbs) |
| Package Dimensions | 180 mm x 120 mm x 40 mm |
| Torque Specification | 45 N·m for included fasteners |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
While the 4642.199.236 LOOSE PARTS kit is primarily validated for the ZF WG 150 series, its design architecture also supports the WG 180 and WG 200 transmissions when used with the appropriate 0730365125: TYPE PLATE for identification. The kit is not backward-compatible with pre-1990 WG 120 units due to differing spacer diameters. Always verify the housing casting number against the 4642101109: TRANSMISSION HOUSING to confirm fitment before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4642101109 | TRANSMISSION HOUSING | Main structural casing for gear train alignment |
| 4642301205 | TRANSMISSION HOUSING | Alternate housing variant for WG150 |
| 0730365125 | TYPE PLATE | Identification plate for transmission model verification |
| 0631311009 | GROOVED STUD | Locating pin for clutch pack alignment |
| 4642301168 | SCREEN SHEET | Fine mesh filter for oil debris protection |
| 4642301169 | SCREEN SHEET | Secondary filter screen for hydraulic circuit |
| 0636100621 | HEXAGON SCREW | Fastener for housing cover retention |
| 4642301186 | SCREEN SHEET | High-flow filter for torque converter circuit |
| 4644106300 | SHIFT SYSTEM | Hydraulic valve body assembly for gear selection |
| 4644306500 | COVER PLATE | Sealing plate for shift system access port |
