Quicksilver OEM MerCruiser Bellows Adhesive 86166Q1Quicksilver Bellows adhesive 86166A1 is for use on all MerCruiser sterndrive universal and exhaust bellows. Follow instructions on the package for best results. See your owner's manual or service manual for specific application and instructions.Applications: For all MCM sterndrives. For use on all MerCruiser sterndrives to securely seal universal and exhaust bellows; Resistant to oil, grease, gasoline and water; See your owner's manual or service manual for specific applications and instructions; This adhesive is used to securely seal the universal and exhaust bellows on a MerCruiser drive.Adhesive Instructions: It is important to properly prepare the surface by removing all loose dust, dirt, oil, grease, wax, etc; For best results the temperature should be 65 or higher during application; Brush or flow an even thin coat to both surface. Allow the adhesive to dry until tacky then join the surfaces with firm pressure; It can take up to 15 minutes for a 10 mil wet film on the two surfaces to bond.; Interchange: Sierra; 18-9031-1;