This replacement exhaust bellows is suitable for Mercruiser R, MR, Alpha One, Alpha One Gen II, Bravo 1, 2, and 3, as well as Black Hawk drives. It can be replaced with part numbers 32734, 32734A3, and 18654A, and comes with a bellows and two marine grade stainless steel clamps. It is made of high-quality materials and has a durable structure that can withstand harsh conditions, corrosion, and long-term exposure to water. It has long-lasting reliability and can be installed in about 15 minutes with the help of an assistant. Including dismantling old parts and installing new parts. Before installation, clamp the new clamp with pliers to prevent it from falling off, and prepare a thick head for hose clamping. No need to use any adhesive. If you have any questions during the purchasing process, please feel free to contact us and we will provide you with a satisfactory answer within 24 hours.