Overview
The ZF 4651.199.069 LOOSE PARTS kit is a critical service component designed specifically for the WG 100 Series transmission. This genuine OEM assembly contains the necessary loose hardware and fasteners required to secure internal clutch packs, valve bodies, and hydraulic circuits within the transmission housing. The SKU 4651.199.069 is typically utilized during a full rebuild or major overhaul to replace worn retaining clips, spacers, and small mechanical elements that degrade over time. Without this kit, proper clamping force and alignment of internal rotating assemblies cannot be guaranteed, leading to premature wear of adjacent components such as the 4651101007: TRANSMISSION HOUSING and the 4651301029: HOUSING.
Symptoms of Failure
When the loose parts in this kit begin to fail, operators will notice distinct operational issues. Intermittent gear slippage under load is a primary symptom, as worn spacers allow clutch packs to lose clamping force. Metallic rattling or clicking noises from the transmission bell housing indicate that retaining clips have fatigued or broken. Hydraulic fluid contamination with fine metal particles occurs when loose hardware abrades against the 0634303928: O-RING seals, causing internal leakage. Finally, erratic shift timing or delayed engagement in forward gears often points to degraded loose parts within the valve body assembly, requiring immediate replacement of the 4651.199.069 kit.
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 4651.199.069 |
| Kit Contents | Retaining rings, spacers, clips, washers |
| Material | Hardened spring steel / carbon steel |
| Weight (approx.) | 0.35 kg (0.77 lbs) |
| Dimensions (packaged) | 150 x 100 x 40 mm |
| OEM Reference | ZF WG100 Series |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This genuine ZF 4651.199.069 LOOSE PARTS kit is engineered for the WG 100 transmission series. It is directly compatible with the WG100, WG120, and WG150 models used in medium-duty commercial vehicles and off-highway equipment. The kit also fits select WG180 and WG200 variants when used in conjunction with the 4651301024: HOUSING adapter. Always verify your transmission serial number against the ZF parts catalog before installation, as internal configurations may vary by production year.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4651101007 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4651301029 | HOUSING | Secondary housing for clutch assembly |
| 0634303928 | O-RING | Seals hydraulic passages |
| 4651301024 | HOUSING | Adapter housing for WG180/200 |
| 4651203002 | SCREEN SHEET | Filters debris from hydraulic fluid |
| 4651303005 | SCREEN SHEET | Secondary filtration element |
| 0636101032 | CAP SCREW | Fastens housing sections |
| 0630361028 | SEALING CAP | Closes unused ports |
| 4475280060 | SCREW PLUG | Drain/fill port closure |
| 0634303312 | O-RING | Seals screw plug connections |
