Sterndrive Bellows Adhesive - 2 oz. | Sierra 18-9031-1 Securely seals all universal and exhaust bellows to provide maximum coverage. Oil, gasoline, water, and grease resistant. Sterndrive Bellows Adhesive 2 oz. squeeze tube Oil, gasoline, water, and grease resistant. Securely seals universal joint and exhaust bellows. Replaces Mercruiser 92-25234 1, 92-36340A1, 92-86166, 92-86166 1