The ELRING 122.904 is a high-quality gasket specifically engineered for oil drain plugs. Its primary function is to create a reliable seal between the drain plug and the oil pan, preventing any loss of engine oil. Crafted with durable materials, this gasket is built to withstand the operating conditions within the engine bay, including exposure to oil and temperature fluctuations. Proper sealing is crucial for maintaining engine health and preventing potential damage caused by low oil levels. Replacing your oil drain plug gasket regularly, especially during oil changes, is a recommended maintenance practice. The ELRING 122.904 offers a dependable solution for ensuring a tight and leak-free connection.