MERCRUISER EXHAUST ELBOW GASKET Aftermarket (OPEN) | GLM Part Number: 32080; Sierra Part Number: 18-2849; Mercury Part Number: 27-863726 MERCRUISER EXHAUST ELBOW GASKET Aftermarket (OPEN) | GLM Part Number: 32080; Sierra Part Number: 18-2849; Mercury Part Number: 27-863726 Replaces: 27-863726 GK-Mercruiser-27863726-FBA