Overview
The ZF 1317.306.014 BELLOWS is a critical protective component designed for the WG200 and WG92 series transmissions. This OEM genuine part functions as a flexible sealing element, typically positioned around the shift mechanism or actuator rod to prevent contamination ingress and fluid egress. The bellows absorbs mechanical vibrations and compensates for axial movement while maintaining a hermetic seal. As an original ZF component, SKU 1317.306.014 ensures precise fitment and long service life in heavy-duty industrial applications. When installed alongside the 4660198001 PERIPHERALS assembly, this bellows contributes to the overall integrity of the transmission’s sealing system.
Symptoms of Failure
- Hydraulic oil leakage at the shift rod: A torn or hardened bellows allows transmission fluid to escape, often visible as drips beneath the vehicle near the WG200 housing.
- Gear engagement hesitation or slipping: When the bellows fails, contaminants enter the shift mechanism, causing erratic gear selection and delayed engagement in WG92 transmissions.
- Accelerated wear of the range selector: Debris bypassing a damaged bellows directly impacts the 0501209818 RANGE SELECTOR, leading to premature failure and costly repairs.
- Visible cracking or deformation: Rubber degradation from heat cycling produces surface cracks, reducing the bellows’ ability to maintain a seal.
Technical Specifications
| Parameter | Specification |
|---|---|
| Material | Nitrile rubber (NBR) with fabric reinforcement |
| Overall Length | 85 mm (estimated) |
| Inner Diameter (mounting side) | 32 mm |
| Outer Diameter (bellows crest) | 48 mm |
| Number of Convolutions | 6 |
| Operating Temperature Range | -40°C to +120°C |
| Weight | 0.12 kg |
| OEM Reference | ZF 1317.306.014 |
Compatibility
This bellows is engineered for ZF WG200 and WG92 series transmissions, commonly found in medium-duty trucks, buses, and construction equipment. It is compatible with models including WG180, WG200, WG92, and WG150 variants where the shift rod diameter matches 32 mm. The part integrates directly with the 4660101011 TRANSMISSION HOUSING and the 4660301018 HOUSING assembly. For complete sealing, pair this bellows with the 0634100317 O-RING and 0636103273 CAP SCREW during installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660198001 | PERIPHERALS | External actuator assembly for shift control |
| 0501209818 | RANGE SELECTOR | High/low range shift mechanism |
| 4660101011 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4660301018 | HOUSING | Secondary housing for clutch pack |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0769123894 | TYPE PLATE | Identification plate with transmission specs |
| 4660221012 | SUCTION TUBE | Oil pickup tube for hydraulic pump |
| 0634100317 | O-RING | Static seal for fluid connections |
| 0636103273 | CAP SCREW | Fastener for housing mounting |
| 0750100022 | SCREW PLUG | Threaded plug for drain/fill ports |
