All items include drain bolt washers and rubber seals for easy oil filter replacement. Depending on the type, some items are not included. Fast replacement for great benefits. In addition to improving fuel economy and engine output, the exhaust will be clean. Ideal replacement for the oil at the same time / 1st time from new gasoline cars: 4,000 km, 2nd time and later: 8,000 km, 1st time from new diesel car: 3,000 km, 2nd time: 6,000 km.