This Exhaust Tube Bellows Hose is designed for use with Mercruiser 120, 140, 160, 165, and 18-2759 engines. It is made by RCR and comes with a 1-year warranty. This replacement part has a manufacturer part number of 53114A1 and also replaces Sierra 18-2759. The hose is made in Italy and is suitable for specific applications as described in the item description. It is not a custom bundle and is sold as a single item. This Exhaust Tube Bellows Hose is a essential component for your boat's exhaust system and is sure to provide a reliable replacement for your old or damaged hose.shiping price for lower 48 states. location tote b1