Wabco 4213509930 Three Position Cylinder

Description

The Wabco 4213509930 is a three-position cylinder used within a gearbox drivetrain. This device is an OE specification component designed for robust performance in demanding environments. It features a 7-PIN-WABCO electrical connection (No. 894 110 312 2 Rev 1), operates at a maximum pressure of 10.0 bar, and boasts an IP69K protection class, ensuring resilience against dust and water ingress. The cylinder has a nominal diameter of 4.8 mm and utilizes Voss NG 8 port threads. Its dimensions are 159 x 121 x 360 mm, and it’s rated for 24 V operation with a current draw of 400 mA, all while maintaining functionality within a temperature range of -25°C to +120°C.

Key Features & Benefits

This little guy basically controls how your gearbox shifts between different gears—drive, neutral, and reverse. It uses internal valves and a piston to direct hydraulic fluid – think of it like a set of tiny roadways inside your transmission – to engage the correct gears. It’s a core component in how your transmission actually does the shifting. It’s tucked away inside your transmission, so it's not something you see directly. It’s part of the hydraulic system that makes automatic transmissions work. When you move the gear selector, that motion ultimately tells this cylinder what to do. It's responsible for physically moving parts inside the transmission to lock in the gears. It's a key part of getting power from the engine to the wheels.

Symptoms, Risks & Replacements

Well, if it fails, you’ll likely find your transmission stuck in one gear, or it might not shift at all. You’ll notice if it's going bad because the shifts will become rough or delayed. Sometimes you might get a shudder. Essentially, it acts like a shield, protecting the more expensive parts of your transmission from damage. If this goes, it can cause a domino effect and lead to bigger, more costly repairs. You can find these at places like Fixparts Online, but it's usually best to have a professional mechanic diagnose and install this, because getting it wrong can really hurt your transmission.

Warranty Information

Wabco Three Position Cylinder (MPN 4213509930) comes with a 1-year warranty.