The Kverneland VGND9157 breather cap, also known as a vent plug, is a genuine OEM component designed for use in Kverneland PZ haymaking machinery, specifically mowers. This essential part ensures proper ventilation within the machine's system, preventing pressure buildup and maintaining optimal operational performance. It features a length of 51 mm and a thread diameter of 20 mm, with a lightweight construction of 0.01 kg.