Overview
The ZF 0501.008.301 OIL COOLER is a critical thermal management component engineered for heavy-duty ZF transmissions used in construction machinery. This OEM genuine part, identified by SKU 0501.008.301, is responsible for dissipating heat from the transmission fluid, ensuring the hydraulic system maintains optimal operating temperatures. Positioned within the transmission’s auxiliary circuit, it directly interfaces with the 4108101140 HOUSING to channel cooled oil back into the gear train. Without this cooler, the transmission risks thermal degradation, which can lead to premature wear of internal components like the 0501211694 MOTOR and the 0501314793 COVER.
Symptoms of Failure
When the ZF 0501.008.301 oil cooler begins to fail, operators may notice distinct performance issues. Transmission overheating during low-speed operation is a primary indicator, often accompanied by warning lights on the dashboard. Oil leaks around the cooler core or fittings are common, leaving puddles under the machine. Another symptom is erratic gear engagement or slipping, as degraded oil viscosity reduces hydraulic pressure. Finally, contaminated transmission fluid with a burnt smell signals that the cooler is no longer effectively regulating temperature, accelerating wear on the 0501314799 BUSH and other bearings.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0501.008.301 |
| OEM Reference | ZF 0501.008.301 |
| Material | Aluminum core with steel fittings |
| Overall Length | 320 mm (approx.) |
| Width | 180 mm (approx.) |
| Height | 90 mm (approx.) |
| Dry Weight | 2.8 kg (approx.) |
| Fluid Type | ZF-approved ATF or hydraulic oil |
| Max Operating Pressure | 15 bar |
Compatibility
This oil cooler is designed for ZF transmissions commonly found in wheel loaders, excavators, and other construction machinery. It is compatible with the ZF WG180 and WG200 series transmissions, as well as the ZF 4WG-200 and 5WG-200 variants. For precise fitment, verify the transmission model against the OEM part number. The cooler integrates with the 4108101140 HOUSING and works in conjunction with the 0501211694 MOTOR to maintain hydraulic flow. Always inspect the 0501314793 COVER and 0501314799 BUSH during replacement to ensure complete assembly integrity.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4108101140 | HOUSING | Encloses and supports the oil cooler assembly |
| 0501211694 | MOTOR | Drives hydraulic pump for oil circulation |
| 0501314793 | COVER | Seals the cooler housing to prevent leaks |
| 0501314799 | BUSH | Reduces friction in linkage points |
| 0735370299 | TAPERED ROLLER BEARING | Supports rotating shafts under load |
| 0501317874 | HOUSING | Secondary housing for auxiliary components |
| 0501317875 | ROLLER | Facilitates smooth gear engagement |
| 0501209497 | PISTON | Activates clutch packs via hydraulic pressure |
| 0501317876 | COMPRESSION SPRING | Provides return force for valve mechanisms |
| 0501314823 | BUSH | Wear-resistant bushing for pivot points |
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