This KONI adjustable rear shock fits 2019+ Mercedes Sprinter W907 4x4 2500 4WD applications and is described as an internally adjustable twin-tube hydraulic unit. The copy stays focused on the explicit fitment and the shock's internal adjustability and construction details named in the product description.
Koni 2019+ Mercedes Sprinter W907 4x4 (2500 4WD) Adjustable Rear Shock