Overview
This OEM genuine ZF 4108.014.210 P 3301 is a precision-engineered hydraulic control valve assembly designed for integration within the valve body of heavy-duty powershift transmissions. It functions as a critical fluid routing component, directing pressurized oil to specific clutch packs to facilitate smooth gear engagement under high torque loads. Positioned internally within the transmission sump, this part ensures consistent hydraulic pressure modulation for reliable machine operation. The SKU 4108.014.210 is a direct factory replacement, guaranteeing exact fit and OEM performance specifications for demanding construction environments.
Symptoms of Failure
When this hydraulic control valve wears or becomes contaminated, operators will notice distinct operational issues. Recognizing these failure indicators early can prevent costly drivetrain damage.
- Erratic gear engagement or clutch shudder: A worn spool or bore within the 4108.014.210 causes inconsistent hydraulic pressure, leading to harsh or delayed shifts under load.
- Internal transmission oil leaks: Degraded sealing surfaces allow pressurized fluid to bypass the valve, resulting in visible oil seepage from the transmission housing or a persistent drop in sump level.
- Loss of power in specific gear ranges: If the valve fails to hold pressure to a particular clutch pack, the machine may slip or fail to move in forward or reverse gears, especially during heavy excavation.
- Overheating transmission fluid: Continuous internal leakage generates excessive heat, causing the transmission temperature gauge to spike during normal operation.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 4108.014.210 |
| OEM Reference | ZF P 3301 |
| Component Type | Hydraulic Control Valve Assembly |
| Body Material | High-Grade Cast Iron (GGG-40) |
| Spool Material | Hardened & Ground Steel (16MnCr5) |
| Overall Length | 185 mm (7.28 in) |
| Overall Width | 95 mm (3.74 in) |
| Overall Height | 65 mm (2.56 in) |
| Dry Weight | 2.4 kg (5.3 lbs) |
| Operating Pressure Range | 12–25 bar (174–363 psi) |
| Seal Type | Nitrile Rubber (NBR) O-Rings |
Compatibility
This genuine ZF valve assembly is engineered for integration into several heavy-duty transmission platforms commonly used in wheel loaders, dozers, and graders. It is a direct fit for the following ZF models:
- ZF WG180 (4-speed powershift)
- ZF WG200 (4-speed powershift with torque converter lock-up)
- ZF 4WG-180 (electronic shift version)
- ZF 4WG-200 (high-torque variant)
- ZF 5WG-180 (5-speed overdrive configuration)
Always verify the transmission serial number against the 4108.014.210 part number before installation. This valve is not compatible with older ZF 4HP or 6HP series automatic transmissions used in on-highway vehicles.
