Overview
The ZF 0501.335.214 COVERING BELLOW is a critical protective component designed to shield internal transmission assemblies from external contaminants such as dust, mud, and moisture. Positioned at the articulation point between the transmission housing and the driveline, this OEM genuine part ensures that the bellows chamber remains sealed, preventing abrasive particles from entering the clutch or gear mechanisms. The SKU 0501.335.214 is specifically engineered for heavy-duty construction machinery, where exposure to harsh job site conditions is constant. When installed alongside the 4699001185: GK10LD and the 4699101108: HOUSING, this bellows forms a sealed barrier that extends the service life of the entire transmission system.
Symptoms of Failure
When the ZF 0501.335.214 COVERING BELLOW deteriorates, operators will notice distinct warning signs. Look for these specific failure symptoms to diagnose a worn bellows:
- Oil leaks at the bellows joint: Cracks or tears in the rubber compound allow transmission fluid to seep out, leaving visible puddles under the machinery.
- Gear slipping under load: Contaminants entering through a compromised bellows can clog hydraulic passages, causing erratic clutch engagement and power loss.
- Unusual grinding or squeaking noises: Dirt ingress accelerates wear on the 4699102172: INPUT and 4699103057: OUTPUT shafts, producing metallic sounds during operation.
- Visible cracking or hardening: Exposure to extreme temperatures causes the bellows material to become brittle, leading to sudden rupture during high-torque maneuvers.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0501.335.214 |
| Material | Nitrile rubber (NBR) with fabric reinforcement |
| Outer Diameter | 120 mm (estimated) |
| Inner Diameter | 85 mm (estimated) |
| Length (Compressed) | 45 mm (estimated) |
| Weight | 0.35 kg (estimated) |
| OEM Reference | ZF 0501.335.214 |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This covering bellows is primarily used in ZF power shift transmissions found in construction machinery. Based on the part type and application, the 0501.335.214 is compatible with the following ZF transmission models:
- ZF WG180
- ZF WG200
- ZF WG210
- ZF WG250
- ZF 4WG-200
These models are commonly installed in wheel loaders, telehandlers, and excavators. Always verify the bellows fitment against your specific transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699001185 | GK10LD | Gear kit for power take-off assembly |
| 4699101108 | HOUSING | Main transmission housing casting |
| 4699102172 | INPUT | Input shaft with splined connection |
| 4699103057 | OUTPUT | Output shaft for final drive |
| 4699105096 | TURNTABLE BEARING | Rotary bearing for swing gear |
| 0501329881 | HOUSING COVER | Sealing cover for transmission housing |
| 0630513065 | SNAP RING | Retaining ring for shaft fixation |
| 0634306309 | O-RING | Static seal for fluid containment |
| 0637885612 | BREATHER | Pressure equalization vent |
| 0769100082 | TYPE PLATE | Identification plate with serial number |
