Wabco 4213500870 Three-Position Cylinder

Description

The Wabco 4213500870 is a three-position cylinder designed for use within a vehicle’s drivetrain, specifically the gearbox. This cylinder facilitates precise gear selection and control, contributing to smooth and efficient vehicle operation. The cylinder features a nominal diameter of 4.8 mm and operates with a maximum pressure of 10.0 bar, ensuring reliable performance under demanding conditions. It is equipped with a 7-PIN-WABCO electrical connection (No. 894 110 312 2 Rev 1) and boasts an IP69K protection class, making it highly resistant to dust and water. Its dimensions are 210 x 127 x 250 mm. This device operates on a 24V system with a rated current of 400 mA and is designed to OE specification, with an operating temperature range of -35°C to +130°C.

Key Features & Benefits

This little guy basically controls how the gearbox shifts between gears – drive, neutral, and reverse. It uses internal seals and valves to direct hydraulic fluid, and that fluid pressure is what actually moves the gears into place. It’s a pretty precise operation, making sure everything lines up correctly. Think of it as a key component in getting power from the engine to the wheels. When you move the shifter, that motion activates this cylinder. It doesn't do the shifting directly, it’s more like it tells the gearbox how to shift. It’s right in the heart of the transmission system.

Symptoms, Risks & Replacements

Without this working correctly, you won't be able to select gears reliably. You might get stuck in one, or it might slip out, or you might not be able to engage reverse at all. It acts like a shield protecting the gearbox from incorrect shifts. You’ll notice if this starts to go because your shifting will become rough, hesitant, or just plain impossible. A failing cylinder can also cause a lot of noise from the transmission. You can find a replacement at places like Fixparts Online, and honestly, getting a new one is a lot cheaper than rebuilding a whole gearbox.

Warranty Information

Wabco Three-Position Cylinder (MPN 4213500870) comes with a 1-year warranty.