Sierra 18-4362 Exhaust Elbow Mounting Package Sierra Exhaust Elbow Mounting Package Meets or exceeds the original equipment quality Sierra part number: 18-4362 Interchangeable with the following: Barr MC20-60426P, MC2060426P, GLM 53100, Mallory 9-40170, 9-40586, Osco 6371-MK