A tilt steering gas strut, also known as a tilt steering column gas spring or gas piston, is a component used in vehicles to assist in adjusting the tilt angle of the steering wheel column. The tilt steering mechanism allows the driver to adjust the angle of the steering wheel, making it more comfortable for different driving preferences and body sizes.

The gas strut is a type of hydraulic or pneumatic device that uses compressed gas (usually nitrogen) to provide a controlled force for various applications, such as opening and closing doors, hoods, trunks, and in this case, adjusting the tilt angle of the steering column. It consists of a cylinder filled with pressurized gas and a piston inside the cylinder. When the gas strut is compressed, the piston moves, creating a force that can be used to move or hold objects in place.

In a vehicle's tilt steering mechanism, the gas strut is typically attached between the steering column and the dashboard or another fixed point in the vehicle's interior. When the driver releases a locking lever or engages a release mechanism, the gas strut helps lift or lower the steering column, allowing the driver to adjust its angle. Once the desired angle is reached, the locking mechanism holds the steering column in place until the driver decides to make another adjustment.

Gas struts are commonly used in automotive engineering because they provide a smooth and controlled movement while being relatively compact and lightweight. They help make adjusting the steering column's tilt angle easier and more convenient for the driver, contributing to a more comfortable driving experience.