Overview
The ZF 0501.212.980 HOSE PIPE is a critical OEM genuine fluid transfer component engineered for heavy-duty construction machinery transmissions. This precision-machined pipe routes pressurized hydraulic oil between the transmission valve body and the differential housing, ensuring consistent lubrication and cooling under extreme loads. As a factory-specified part, the SKU 0501.212.980 guarantees exact fitment and material integrity, preventing contamination ingress that can compromise internal gear sets. It sits directly between the transmission sump and the 2093109002 DIFFERENTIAL, forming a sealed conduit that maintains system pressure during high-torque operations.
Symptoms of Failure
- Hydraulic oil seepage at pipe connections: Worn O-rings or micro-cracks in the 0501.212.980 cause visible fluid loss around the differential housing, often mistaken for seal failure.
- Erratic gear engagement under load: A restricted or leaking hose pipe starves the 2093209095 DIFFERENTIAL of lubrication, leading to delayed clutch pack activation and harsh shifting.
- Overheating transmission sump: Insufficient oil flow through a collapsed pipe forces the system to run hotter, triggering warning lights on construction equipment dashboards.
- Metallic debris in transmission fluid: A fractured pipe allows particles from the 0750117075 TAPER ROLLER BEARING to circulate, accelerating wear on planetary gears.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0501.212.980 |
| Material | Seamless cold-drawn steel with zinc-nickel plating |
| Length | 285 mm (11.22 in) |
| Outer Diameter | 18 mm (0.71 in) |
| Wall Thickness | 2.5 mm (0.098 in) |
| Weight | 0.34 kg (0.75 lbs) |
| OEM Reference | ZF 0501.212.980 |
| Operating Pressure | 12-18 bar (174-261 psi) |
| Temperature Range | -40°C to +120°C (-40°F to +248°F) |
Compatibility
This hose pipe is designed for ZF WG180, WG200, and WG210 series powershift transmissions commonly found in wheel loaders, excavators, and telehandlers. It also fits select ZF Ecolife and AS Tronic off-highway variants. The 0501.212.980 interfaces directly with the 2093309071 DIFF.HOUSING and requires proper torque sequencing during installation to avoid thread galling.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109002 | DIFFERENTIAL | Distributes torque to drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports differential pinion shaft |
| 2093209095 | DIFFERENTIAL | Rear axle torque distribution |
| 2093309071 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures shift fork linkage |
| 0730300820 | THRUST WASHER | Reduces axial play in planetary gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to final drive |
| 5838300811 | THRUST WASHER | Controls axial clearance in differential |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary torque split component |
Authorized ZF Distributor
We are a certified supplier of genuine ZF components.
