The CRP Exhaust Lock Nut - 11621711954 is a small but essential component used in automotive exhaust systems. It is a high-quality lock nut designed to securely fasten the exhaust pipe to the exhaust manifold or catalytic converter. This nut is made from durable materials and features a unique design that ensures a tight and leak-free connection between the exhaust components. It is compatible with a wide range of vehicles and is an ideal replacement part for damaged or worn out lock nuts. The CRP Exhaust Lock Nut - 11621711954 is a reliable and cost-effective solution for maintaining the integrity of your vehicle's exhaust system.