Overview
This OEM genuine ZF 0501.202.378 filter is a critical hydraulic fluid filtration component designed specifically for heavy-duty construction machinery transmissions. Positioned within the transmission’s lubrication circuit, this part ensures that hydraulic oil remains free of contaminants, metal shavings, and debris that can degrade internal components. The SKU 0501.202.378 corresponds to a high-pressure spin-on or cartridge-style filter that traps particulate matter before it reaches valve bodies, clutches, and torque converters. By maintaining fluid cleanliness, this filter directly supports consistent shift quality and extends the service life of the entire transmission system.
Symptoms of Failure
When the ZF 0501.202.378 filter becomes clogged or degraded, operators will notice distinct performance issues. Watch for these specific failure indicators:
- Erratic gear engagement or delayed shifting – Contaminated oil restricts flow to clutch packs, causing hesitation or harsh engagement during gear changes.
- Transmission overheating – A blocked filter reduces oil circulation, leading to elevated operating temperatures that can trigger warning lights or limp mode.
- Whining or groaning noises from the transmission – Debris-laden oil creates cavitation in the pump, producing audible distress sounds under load.
- Visible oil leaks near the filter housing – A collapsed or bypassed filter can cause pressure spikes, forcing oil past seals and gaskets.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0501.202.378 |
| Filter Type | Spin-on / Cartridge (High Pressure) |
| Outer Diameter | 108 mm |
| Height | 215 mm |
| Thread Size | M24 x 1.5 |
| Filtration Rating | 10 microns (nominal) |
| Burst Pressure | 25 bar (360 psi) |
| Operating Temperature Range | -20°C to +120°C |
| Housing Material | Steel with anti-corrosion coating |
| Filter Media | Cellulose/synthetic blend |
| Weight | 0.95 kg |
| OEM Reference | ZF 0501.202.378 |
Compatibility
This genuine ZF filter is engineered for use in the following transmission models commonly found in construction machinery such as wheel loaders, graders, and telehandlers:
- ZF WG180 series (WG180, WG180C, WG180E)
- ZF WG200 series (WG200, WG200C, WG200E)
- ZF WG210 series (WG210, WG210C)
- ZF Ergopower series (4WG-160, 4WG-180, 4WG-200)
- ZF Ecolite series (3WG-131, 3WG-151)
Always verify your transmission’s serial number against the OEM parts catalog before installation. For applications outside these models, consult your equipment’s service manual.
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