Sierra's 18-2761 Exhaust Tube is designed for use with Mercruiser 470/485, 85, 205, 898, 228, and 260 engines. It features a 3" I.D. Includes one exhaust tube per package. It is interchangeable with GLM 89090, Mallory 9-72809, and Mercruiser Stern Drive 32-90949 and 32-90949T. Each Sierra product meets or exceeds the original equipment part it replaces. Fit specific, check part numbers to ensure proper fit.