Overview
The ZF 4651.199.058 LOOSE PARTS kit is a critical service assembly designed specifically for the WG 100 series transmission. This genuine OEM component contains the necessary loose hardware and fasteners required to secure internal sub-assemblies during a rebuild or overhaul. Positioned within the main gear train housing, this kit ensures that all loose components remain properly torqued and aligned under high-load conditions. The SKU 4651.199.058 is engineered to match factory tolerances, preventing premature wear on adjacent parts such as the 4651101006: TRANSMISSION HOUSING and the 4651301034: HOUSING.
Symptoms of Failure
When the ZF 4651.199.058 LOOSE PARTS assembly begins to degrade, operators will notice distinct performance issues. Oil leaks around the transmission housing are a primary indicator, often caused by loose fasteners compromising the seal. Gear slipping under load occurs when internal components lose their positional integrity. Abnormal vibration or rattle during shifting signals that the loose parts are no longer dampening movement correctly. Finally, intermittent loss of hydraulic pressure can result from misaligned internal passages, directly impacting shift quality.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4651.199.058 |
| OEM Reference | ZF 4651.199.058 |
| Material | Hardened steel / alloy composite |
| Weight | 0.85 kg (approx.) |
| Dimensions | 120 mm x 80 mm x 30 mm |
| Application | WG 100 series internal assembly |
| Included Components | Fasteners, spacers, retaining clips |
Compatibility
This genuine ZF 4651.199.058 LOOSE PARTS kit is primarily engineered for the WG 100 series transmission models, including WG100, WG120, and WG150 variants. It is also compatible with select WG180 and WG200 series units that share the same internal architecture. For proper installation, this kit must be used alongside the 0634303928: O-RING to seal the housing interface and the 4651301013: HOUSING for structural support. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4651101006 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4651301034 | HOUSING | Internal support housing for clutch packs |
| 0634303928 | O-RING | Seals fluid passages between housings |
| 4651301013 | HOUSING | Secondary housing for valve body mounting |
| 4651301015 | SCREEN SHEET | Filters debris from hydraulic fluid |
| 4651301035 | SCREEN SHEET | Fine mesh filter for oil return line |
| 0630361028 | SEALING CAP | Prevents contamination in unused ports |
| 4475280060 | SCREW PLUG | Threaded plug for drain or test ports |
| 0634303312 | O-RING | Seals screw plug to housing |
| 0630361063 | SEALING CAP | High-temp cap for pressure test points |
