Overview
The ZF 0501.340.943 HOSE PIPE is a critical hydraulic fluid conduit within ZF construction machinery transmissions. This OEM genuine part, identified by SKU 0501.340.943, routes pressurized transmission oil between the valve body and the clutch pack assembly. It ensures precise fluid delivery for gear engagement and lubrication. When paired with a properly functioning 2093109029 DIFFERENTIAL, this hose pipe maintains consistent hydraulic pressure essential for smooth power transfer in heavy-duty loaders and graders.
Symptoms of Failure
- Hydraulic fluid seepage near transmission bell housing: Cracks in the hose pipe wall cause visible oil drips, often mistaken for a seal failure.
- Delayed or harsh gear engagement: A compromised hose pipe reduces line pressure, causing sluggish shifting or abrupt clutch application.
- Transmission overheating: Restricted oil flow through a collapsed hose pipe leads to inadequate cooling, triggering thermal warnings.
- Erratic clutch slip under load: Internal hose degradation allows pressure loss to the clutch pack, resulting in power loss during excavation or grading.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (OEM) | 0501.340.943 |
| Material | Reinforced synthetic rubber with braided steel wire |
| Inner Diameter | 12.7 mm (0.5 in) |
| Outer Diameter | 19.0 mm (0.75 in) |
| Length (Overall) | 410 mm (16.1 in) |
| Weight | 0.18 kg (0.4 lbs) |
| Operating Pressure | 18 bar (261 psi) max |
| Temperature Range | -40°C to +120°C (-40°F to +248°F) |
| OEM Reference | ZF 0501.340.943 |
Compatibility
This hose pipe is engineered for ZF WG180, WG200, and WG211 series powershift transmissions commonly found in construction machinery. It also fits select 4WG-200 and 6WG-200 variants used in wheel loaders and dozers. For optimal performance, always replace this hose pipe alongside the 0750117075 TAPER ROLLER BEARING and the 2093209094 DIFFERENTIAL assembly. The 2093309078 DIFF.HOUSING should also be inspected for cracks during service.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109029 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports rotating differential shafts |
| 2093209094 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309078 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures linkage components |
| 0730300820 | THRUST WASHER | Reduces axial friction in gear sets |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel axles |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hub |
| 5838300811 | THRUST WASHER | Controls end-play in planetary gears |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear for torque splitting |
Frequently Asked Questions
Q: Can I use a generic rubber hose instead of the ZF 0501.340.943?
A: No. This hose pipe is engineered for specific burst pressure and temperature resistance. Generic hoses collapse under transmission heat cycles, causing immediate pressure loss and clutch damage.
Q: How often should this hose pipe be replaced?
A: ZF recommends inspection every 1,000 operating hours. Replacement is mandatory at 2,000 hours or whenever transmission overhaul is performed, especially if the 2093309078 DIFF.HOUSING shows wear.
Q: Does this part require special tools for installation?
A: Standard flare nut wrenches are sufficient. However, ensure the hose routing matches the original path to avoid kinking near the 0750117075 TAPER ROLLER BEARING area.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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