Overview
The ZF 0501.216.831 PRESSURE FILTER is a critical hydraulic component engineered for the lubrication and control circuits of ZF WG100, WG130, and WG131 powershift transmissions. This OEM genuine part ensures that transmission fluid remains free of particulate contaminants, safeguarding internal valves and clutch packs from premature wear. Positioned within the transmission’s valve body or main sump, the filter maintains consistent hydraulic pressure essential for smooth gear engagement. The SKU 0501.216.831 is the direct replacement for the original factory-installed unit, guaranteeing a precise fit and OEM-specified filtration efficiency.
Symptoms of Failure
- Erratic gear engagement or slipping: A clogged pressure filter restricts oil flow, causing delayed or harsh shifts, especially under load.
- Low transmission oil pressure warnings: Debris buildup triggers pressure drops, illuminating dashboard alerts or causing erratic gauge readings.
- Overheating transmission fluid: Restricted flow reduces cooling capacity, leading to elevated sump temperatures and potential thermal degradation of seals.
- Whining or humming noise from the transmission: Starvation of the pump or bearings due to a blocked filter creates audible cavitation sounds.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0501.216.831 |
| Type | Spin-on / Cartridge Pressure Filter |
| Filtration Micron Rating | 25 µm nominal |
| Material | Steel housing with cellulose/synthetic media |
| Overall Dimensions | Ø 95 mm x 180 mm height |
| Dry Weight | 0.85 kg (1.87 lbs) |
| OEM Reference | ZF 0501.216.831 |
| Thread Size | M22 x 1.5 |
| Max Operating Pressure | 20 bar (290 psi) |
Compatibility
This pressure filter is specifically validated for the following ZF transmission models: WG100, WG130, and WG131. It is also compatible with certain variants of the WG180 and WG200 series that share the same filter head design. Always verify the filter head thread and bypass valve configuration before installation. For differential assemblies in these transmissions, consider inspecting the 2093109022 DIFFERENTIAL and the 2093209096 DIFFERENTIAL for wear. The 0750117075 TAPER ROLLER BEARING and the 2093309073 DIFF.HOUSING are also commonly serviced during a full overhaul.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109022 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2093209096 | DIFFERENTIAL | Rear differential assembly for WG series |
| 2093309073 | DIFF.HOUSING | Encloses differential gears and bearings |
| 0631100223 | SPRING PIN | Secures shift fork or actuator linkage |
| 0730300820 | THRUST WASHER | Controls axial play in planetary sets |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Driveshaft connection to differential |
| 5838300811 | THRUST WASHER | Reduces friction in differential carrier |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Spider gear for differential action |
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