Overview
The ZF 0735.320.868 AX.NEEDLE CAGE is a precision-engineered component designed to support the planetary gearset within the WG200, WG92, and WG98 transmission series. This OEM genuine part, identified by SKU 0735.320.868, functions as a critical bearing element that reduces friction between rotating shafts and stationary housings. It sits directly inside the 4660101011: TRANSMISSION HOUSING, ensuring smooth torque transfer and axial load distribution. Without this needle cage, the gear train would experience excessive wear, leading to premature failure of the entire assembly.
Symptoms of Failure
- Audible grinding or whining noise during gear shifts – A worn needle cage causes metal-on-metal contact, producing a distinct high-pitched sound under load.
- Oil leaks near the output shaft seal – Degraded needle rollers can damage the 4660301018: HOUSING, allowing transmission fluid to escape.
- Gear slipping or delayed engagement – Insufficient axial support from the cage leads to misalignment, causing the transmission to hesitate or slip out of gear.
- Metallic debris in the oil pan – Flaking or fractured needle rollers contaminate the fluid, often accompanied by a burnt smell.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0735.320.868 |
| Type | Axial Needle Cage |
| Outer Diameter | 68 mm (estimated) |
| Inner Diameter | 52 mm (estimated) |
| Width | 8 mm (estimated) |
| Material | Case-hardened steel with polymer cage |
| Weight | 0.045 kg |
| OEM Reference | ZF 0735.320.868 |
| Related Part: Cylindrical Pin | 0631306174 |
| Related Part: Type Plate | 0769123894 |
| Related Part: Suction Tube | 4660221012 |
| Related Part: O-Ring | 0634100317 |
| Related Part: Cap Screw | 0636103273 |
| Related Part: Screw Plug | 0750100022 |
Compatibility
This needle cage is engineered for ZF WG-series transmissions, specifically the WG200, WG92, and WG98 models. It also fits the WG180 series when used with the correct 0501209818: RANGE SELECTOR assembly. For optimal performance, pair it with the 4660198001: PERIPHERALS kit, which includes all necessary seals and bearings for a complete overhaul. Always verify your transmission’s serial number against ZF’s parts catalog before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660198001 | Peripherals | Seal and bearing kit for transmission rebuild |
| 0501209818 | Range Selector | Controls gear range engagement |
| 4660101011 | Transmission Housing | Main structural casing for gear assembly |
| 4660301018 | Housing | Secondary housing for clutch pack |
| 0631306174 | Cylindrical Pin | Alignment dowel for component positioning |
| 0769123894 | Type Plate | Identification tag for transmission model |
| 4660221012 | Suction Tube | Oil pickup tube for lubrication system |
| 0634100317 | O-Ring | Fluid seal between mating surfaces |
| 0636103273 | Cap Screw | Fastener for housing attachment |
| 0750100022 | Screw Plug | Sealing plug for oil passages |

