Engine oil leak repair is a unique formula designed to stop leaks in engines, and is a quick and convenient solution for reducing oil loss. With the engine off, just remove the oil filler cap, top off your oil to the appropriate level, and drive like normal to circulate it throughout the engine. If it does not stop the leak within the recommended mileage, you may need to perform a more thorough repair. If this is the case, the leak should be repaired right away. An engine without oil can lead to more serious repairs or complete engine failure. If you have an oil leak, shop O'Reilly Auto Parts. We carry engine oil leak repair, motor oil, gaskets, seals, and other related parts for a complete oil leak repair.