Fourtry 27-818832 Exhaust Elbow Gasket Fit for Mercruiser Stern Drive, 27-863726 Exhaust Stack Riser Gasket Fit for Mercury Marine Sierra Boat Engine, Replace 27-863726 27-860232, 4 Pcs

Features

• This exhaust elbow gasket is the standard cooling, full flow, 4-slot gasket. Comes with 4 pcs.
• Compatible with MerCruiser engines, 4.3 5.0 5.7 and 6.2, 454, 502 with center riser manifolds with 3 or 4-inch riser from the early 80s to 2002. Please check the description part for more information.
• Replace part number ①Fit for Mercury Quicksilver 27-863726; ②Fit for Sierra Marine 18-2849-1, 18-2849; ③Fit for Osco 8503-GO;④Fit for OBR Red Rhino MR-504; ⑤Fit for Mallory Marine 9-61414; ⑥Fit for GLM 32080; ⑦Fit for Barr Marine MC47-27-87105
• The gasket can effectively protect the exhaust pipe and prolong its service life. High quality and can provide an air-tight seal.
• Tips: Always replace the gasket after inspecting or replacing exhaust manifolds and risers to maintain separation of exhaust and cooling channels.