Genuine OEM Jaguar Oil Pan Windage Tray Dowel Pin, part number AJ81229. This dowel pin plays a critical role in securing the windage tray within the engine's oil pan. It ensures the windage tray remains precisely positioned to manage oil flow and reduce aeration around the crankshaft. Using a genuine OEM dowel pin guarantees the correct dimensions and material strength for reliable long-term performance in the engine's demanding environment.