Overview
The ZF 4642.199.759 LOOSE PARTS kit is a critical service assembly designed specifically for the WG 201 Series transmission. This genuine OEM component contains the necessary loose hardware required to secure and seal internal transmission assemblies during a rebuild or major repair. Positioned within the main casing, these parts interface directly with the TRANSMISSION HOUSING and the TRANSMISSION HOUSING to ensure proper alignment and oil retention. The SKU 4642.199.759 is often ordered alongside a full gasket set to restore the transmission to factory tolerances.
Symptoms of Failure
When the components within the 4642.199.759 kit degrade, operators typically encounter three distinct failure modes. First, external oil seepage around the housing mating surfaces becomes visible, often mistaken for a pan gasket leak. Second, you may notice intermittent gear slipping under load, particularly during upshifts, as loose fasteners allow internal clearances to shift. Third, a rattling or knocking noise from the bell housing area indicates that retaining hardware has loosened, allowing shafts to move axially. Finally, contaminated transmission fluid with metallic debris can appear if a loose part fractures inside the sump.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4642.199.759 |
| OEM Reference | ZF 4642.199.759 |
| Material | Steel / Alloy (various fasteners) |
| Weight | 0.45 kg (approx.) |
| Dimensions | Kit includes multiple items (M6–M12) |
| Application | WG 201 Series |
Compatibility
This loose parts kit is engineered for the ZF WG 201 series, but it also cross-applies to earlier WG 180 and WG 200 models that share the same housing architecture. It is a direct replacement for the hardware used in the THREADED BUSH and SCREW PLUG locations. Always verify your transmission serial number before ordering, as later WG 220 variants may use a different fastener pitch.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101160 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4644301323 | TRANSMISSION HOUSING | Secondary housing section |
| 4644301189 | THREADED BUSH | Provides threaded anchor points |
| 4475280043 | SCREW PLUG | Seals oil passages |
| 0634306198 | O-RING | Prevents fluid leaks at joints |
| 0730365067 | TYPE PLATE | Identification tag for transmission |
| 4644301161 | COVER PLATE | Protects internal components |
| 0636100621 | HEXAGON SCREW | Fastens housing sections |
| 0631610020 | SET SCREW | Adjusts internal clearances |
| 0501218540 | BREATHER | Equalizes internal pressure |
