Genuine OEM Audi Compressed Air Spring, part number 4E0827551C. This part is a gas strut designed to assist in the opening and holding of the trunk lid. It provides a controlled and effortless operation of the trunk. Positioned on the trunk lid hinges, it exerts force to counteract gravity. Constructed with durable materials and precise gas pressure for consistent performance. Genuine OEM gas springs offer the correct extension force and damping characteristics for safe and reliable trunk operation.