Comprehensive Kit for MerCruiser: This transom seal bellows repair kit is designed specifically for MerCruiser Alpha One Gen 1 sterndrive engines. It includes all necessary components such as the bellows, water pump impeller, and trim cylinder seals, ensuring a complete solution for engine maintenance. High-Quality Replacement Parts: Each part in the kit, including the Water Pump Impeller Repair Kit (46-96148Q8, 46-42579A4, 46-48747A3) and Power Trim Cylinder Seal Kit (25-87400A2, 87400), matches or exceeds OEM specifications, providing reliability and durability for prolonged marine use. Enhanced Engine Performance: Proper maintenance with this kit helps in maintaining the efficiency of your engine. The inclusion of the Tilt/Trim Limit Sender Switch Set (805129A3, 805320A1, 96863A15) ensures optimal performance and precise control of your boat's sterndrive. Easy Installation: Designed for DIY enthusiasts and professional mechanics alike, this kit comes with all necessary parts clearly labeled for straightforward installation. This saves time and ensures a proper fit to keep your boat in top condition. Compatibility and Replacements: This kit replaces Sierra parts 18-7633, 18-8213, 18-3316, 18-2649, making it a versatile choice for boat maintenance. The comprehensive inclusion of parts ensures wide-ranging compatibility and replaces worn components effectively. Condition: Replaces OEM Part #: 30-803097T1 Replaces Sierra #: 18-8213 name:Transom Seal Bellows Repair Kit Colour: As shown Material: Metal + plastic Fitment: Fits the Following Mercrusier Engines Mercruiser Alpha One SS, 1986-1989, Serial Range: 0A545004 & Up Mercruiser R, MR, Alpha One, 1983-1990, Serial Range: 6225577 & Up Package Contents: 1 * Transom Seal Bellows Repair Kit