Overview
The ZF 0730.006.261 SPACER RING is a precision-engineered OEM genuine component designed for the WG200, WG92, and WG98 series transmissions. This critical shim sits between the TRANSMISSION HOUSING and the planetary gear assembly, ensuring correct axial clearance and load distribution. By maintaining precise spacing, this ring prevents metal-on-metal contact that can lead to premature gear wear. The SKU 0730.006.261 is manufactured to ZF’s exacting tolerances, making it a direct replacement for worn or damaged spacers in heavy-duty industrial applications.
Symptoms of Failure
- Transmission oil leaks around the housing joint: A degraded spacer ring can cause misalignment, allowing fluid to escape past the O-RING seal.
- Gear slipping under load: When the spacer loses its thickness, axial play increases, leading to incomplete clutch engagement and power loss.
- Unusual whining or grinding noises: Worn clearance from a collapsed ring creates vibration and noise during gear changes, especially in WG200 models.
- Erratic range selection: A failing spacer can interfere with the RANGE SELECTOR mechanism, causing delayed or missed shifts.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.006.261 |
| Material | Hardened steel (C45E) |
| Outer Diameter | 112 mm |
| Inner Diameter | 98 mm |
| Thickness | 2.5 mm |
| Weight | 0.18 kg |
| OEM Reference | ZF 0730.006.261 |
Compatibility
This spacer ring is engineered for the following ZF transmission families: WG 200 Series, WG 90 Series, WG 92 Series, WG 94 Series, and WG 98 Series. It is specifically validated for use in WG180, WG200, and WG92 models where it interfaces with the HOUSING assembly. For optimal performance, always pair this part with a new PERIPHERALS kit to ensure all seals and gaskets are refreshed during installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660198001 | PERIPHERALS | Seal and gasket kit for transmission rebuild |
| 0501209818 | RANGE SELECTOR | Controls gear range engagement |
| 4660101011 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4660301018 | HOUSING | Secondary housing for clutch packs |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0769123894 | TYPE PLATE | Identification label for transmission model |
| 4660221012 | SUCTION TUBE | Oil pickup tube for lubrication system |
| 0634100317 | O-RING | Static seal for fluid containment |
| 0636103273 | CAP SCREW | Fastener for housing retention |
| 0750100022 | SCREW PLUG | Threaded plug for drain/fill ports |

