Overview
The ZF 2094.246.018 PRESSURE PIN is a precision-engineered component designed for the WG100, WG130, and WG131 transmission series. This OEM genuine part functions as a critical load-bearing element within the valve body and shift rail assembly, ensuring consistent hydraulic pressure is directed to the correct clutch packs and synchronizers. By maintaining precise axial alignment, the pressure pin prevents unwanted movement of the 2094104412: MAIN SHAFT and the 2094304054: MAIN SHAFT during gear engagement. The SKU 2094.246.018 is a direct replacement for the factory-installed pin, guaranteeing OEM tolerances and material hardness.
Symptoms of Failure
- Delayed or harsh gear engagement: A worn pressure pin causes erratic hydraulic pressure, leading to a noticeable lag when shifting from Neutral to Drive or Reverse.
- Intermittent transmission slipping under load: As the pin loses its precise fit, the shift system cannot hold pressure, resulting in momentary power loss during acceleration.
- Hydraulic fluid contamination: Metal debris from a fatigued pressure pin can circulate through the valve body, accelerating wear on the 2094106010: SHIFT SYSTEM and the 2094206001: GEARSHIFT SHAFT.
- Audible clicking or rattling from the transmission housing: Excessive clearance from a worn pin allows the shift rail to vibrate, producing a distinct metallic noise at idle.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 2094.246.018 |
| Material | Case-hardened alloy steel (HRC 58-62) |
| Overall Length | 38.5 mm |
| Outer Diameter | 12.0 mm |
| Weight | 0.035 kg |
| OEM Reference | ZF 2094.246.018 |
| Surface Finish | Black oxide coated |
Compatibility
This pressure pin is engineered specifically for ZF WG-series transmissions. It is a direct fit for the following models: WG100, WG130, and WG131. It is also compatible with certain variants of the WG180 and WG200 series when used in conjunction with the correct 2094306053: GEARSHIFT SHAFT and 0630513070: SNAP RING. Always verify your transmission model and serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094104412 | MAIN SHAFT | Transfers torque from engine to gearset |
| 2094304054 | MAIN SHAFT | Secondary shaft for power take-off |
| 2094106010 | SHIFT SYSTEM | Controls hydraulic valve actuation |
| 2094206001 | GEARSHIFT SHAFT | Mechanical link between selector and valve body |
| 2094306053 | GEARSHIFT SHAFT | Alternate shaft for WG180/200 |
| 0630513070 | SNAP RING | Secures shaft axial position |
| 2094306019 | WASHER | Thrust bearing surface |
| 0732040444 | COMPRESSION SPRING | Returns shift fork to neutral |
| 0732040728 | COMPRESSION SPRING | High-load spring for clutch pack |
| 2093206001 | BUSH | Wear sleeve for shift rail |
Frequently Asked Questions
Q: Can I reuse the old snap ring when installing this pressure pin?
No. The 0630513070: SNAP RING should always be replaced to ensure proper retention of the pin and shaft assembly.
Q: Does this pressure pin work with the WG180 transmission?
Yes, but only when paired with the correct 2094306053: GEARSHIFT SHAFT and 2094306019: WASHER for that specific housing.
Q: How do I verify the pin is seated correctly?
After installation, the pin should sit flush with the valve body bore. Rotate the 2094106010: SHIFT SYSTEM manually to confirm smooth, non-binding movement.
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Phone: +86 158 2286 3467 |
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