Overview
The ZF 4616.199.160 LOOSE PARTS kit is a critical service component engineered specifically for the WG 65 Series transmission family. This genuine OEM assembly includes all necessary fasteners, seals, and positioning elements required to secure internal housing sections during a rebuild or major repair. Positioned at the interface between the main transmission housing and the rear cover, part number 4616.199.160 ensures correct clamping force and alignment of the gear train. Without this specific loose parts set, the structural integrity of the WG65 assembly is compromised, leading to misalignment and premature wear of internal bearings.
Symptoms of Failure
When the ZF 4616.199.160 LOOSE PARTS kit begins to degrade or is improperly torqued, operators will notice distinct operational issues. Oil seepage at the rear housing joint is the most common indicator, often appearing as a slow drip after extended highway operation. Intermittent gear slipping under load occurs when the housing fasteners lose preload, allowing the gear clusters to shift slightly. Abnormal vibration during gear changes signals that the internal alignment pins have loosened, causing the shafts to run out of true. Finally, metal debris in the transmission oil pan may appear as the misaligned housings begin to contact rotating components.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number / SKU | 4616.199.160 |
| Material Composition | Steel (fasteners), Nitrile (seals) |
| Total Kit Weight | 0.85 kg (1.87 lbs) |
| Fastener Grade | 10.9 (hexagon screws) |
| O-Ring Cross Section | 3.5 mm |
| OEM Reference | ZF 4616.199.160 |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This genuine ZF 4616.199.160 LOOSE PARTS kit is designed for the WG 65 Series transmission family. It is directly compatible with the following ZF models: WG65, WG120, WG180, and WG200. The kit is also suitable for certain off-highway variants of the WG series used in construction and agricultural equipment. Always verify your transmission serial number against the OEM parts catalog before installation. The kit replaces all loose hardware between the main 4616101101: TRANSMISSION HOUSING and the rear 4616301304: HOUSING or 4616301309: HOUSING assemblies.
During installation, each 0636011118: HEXAGON SCREW must be torqued to factory specifications to prevent joint separation. The kit also includes the necessary sealing elements to mate with the 0630361069: SEALING CAP and 0634313118: O-RING for a leak-free assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101101 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 0636011118 | HEXAGON SCREW | Secures housing sections together |
| 4616301304 | HOUSING | Rear cover for WG series |
| 4616301309 | HOUSING | Alternate rear cover variant |
| 0630361069 | SEALING CAP | Prevents oil loss at access ports |
| 0636011038 | HEXAGON SCREW | Fastener for auxiliary brackets |
| 0636016015 | HEXAGON SCREW | High-torque fastener for bell housing |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for housing centering |
| 0634313118 | O-RING | Static seal between housing faces |
| 0636304019 | SCREW PLUG | Closes oil drain or fill passages |
