Overview
The ZF 0501.314.805 BELLOWS is a critical sealing component engineered to protect the internal assemblies of heavy-duty construction machinery transmissions. Positioned at the interface between the transmission housing and the output shaft, this OEM genuine part prevents contaminants such as dust, mud, and moisture from entering the gearbox while retaining essential lubricants. The SKU 0501.314.805 is specifically designed to maintain consistent pressure within the transmission system, ensuring reliable operation under extreme loads and harsh job site conditions. When installed alongside a 5838109012: DIFFERENTIAL, this bellows forms a robust seal that extends the service life of adjacent rotating components.
Symptoms of Failure
- Visible transmission fluid leaks around the output shaft – A cracked or hardened bellows allows oil to escape, leading to low fluid levels and potential gear damage.
- Contaminant ingress causing premature bearing wear – When the bellows fails, dirt and debris enter the housing, accelerating wear on the 0750117075: TAPER ROLLER BEARING and other precision parts.
- Unusual whining or grinding noises during gear engagement – Loss of seal integrity leads to lubricant starvation, causing metal-on-metal contact within the differential assembly.
- Reduced hydraulic pressure and sluggish transmission response – A compromised bellows disrupts internal pressure balance, affecting clutch pack engagement and shift quality.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0501.314.805 |
| Material | Nitrile rubber (NBR) with fabric reinforcement |
| Outer Diameter | 85 mm |
| Inner Diameter | 45 mm |
| Height | 30 mm |
| Weight | 0.12 kg |
| OEM Reference | ZF 0501.314.805 |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This bellows is a direct replacement for ZF transmission models in the WG series, including WG180, WG200, and WG250. It also fits select off-highway transmissions used in wheel loaders, excavators, and graders. The part integrates seamlessly with the 2093209023: DIFFERENTIAL and the 5838300626: DIFFERENTIAL HOUSING to ensure proper alignment and sealing. Always verify your transmission serial number before ordering to guarantee fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads |
| 2093209023 | DIFFERENTIAL | Secondary torque distribution unit |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears |
| 0631329088 | SPRING PIN | Secures gear alignment |
| 5838300811 | THRUST WASHER | Reduces axial friction |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 5838300633 | AXLE | Connects differential to wheels |
| 5838300753 | THRUST WASHER | Controls axial play in gear sets |
| 5838300818 | THRUST WASHER | Additional axial load management |
Frequently Asked Questions
Q: How often should the ZF 0501.314.805 bellows be replaced?
A: Replacement is recommended every 2,000 operating hours or during major transmission overhauls. Inspect the bellows for cracks or hardening whenever the differential housing is removed.
Q: Can this bellows be used with aftermarket differentials?
A: Yes, but only if the differential matches OEM dimensions. We strongly advise pairing it with genuine ZF components like the 5838109012: DIFFERENTIAL to ensure proper sealing and avoid premature failure.
Q: What causes premature bellows failure?
A: Common causes include exposure to abrasive debris, overtightening of retaining clamps, and prolonged operation at temperatures exceeding 120°C. Always verify that the 5838300626: DIFFERENTIAL HOUSING is free of burrs before installation.
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Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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