Genuine OEM Ford Exhaust Cap O-Ring, part number 1233068. This O-ring is designed to create a tight seal for the exhaust cap, preventing any leaks and ensuring the integrity of the exhaust system. A proper seal is essential for maintaining exhaust gas flow and preventing unwanted emissions. Made from durable rubber, it withstands the high temperatures and pressures of the exhaust system. Genuine OEM O-rings offer the precise dimensions and material composition for reliable sealing.