Mercruiser Alpha One Gen I Upper Gearcase 1.47 Ratio Replacement for Sterndrive 1972-1990 with New Style Input Yoke

Description The Mercruiser Alpha One Gen I Upper 1.47 is a high-quality replacement part designed specifically for Mercruiser Alpha One sterndrives manufactured between 1972 and 1990. This upper unit features a gear ratio of 1.47, which effectively replaces the older 1.5 ratio models, ensuring compatibility with various engine configurations up to 300 HP. This product plays a crucial role in enhancing your boat’s performance by providing reliable power transfer and improved efficiency on the water. The Mercruiser Alpha One Gen I Upper not only ensures smooth operation but also contributes to better fuel economy, making it an essential component for any marine enthusiast. Features & Specifications: Replaces original Mercruiser Alpha One units Gear Ratio: 1.47 (also replaces the 1.5 ratio) Compatible with engines up to 300 HP Includes new style input yoke measuring 9-9/16 inches Durable construction for long-lasting performance Suitable for both inboard and outboard applications Please click here for application assistance if needed. Quick Overview: Feature Description Product Name Mercruiser Alpha One Gen I Upper 1.47 Replaces Mercruiser Alpha One Gear Ratio 1.47 (replaces the old model’s ratio of 1.5) Compatibility Suits engines up to 300 HP; fits models from ’72-’90. Email Notification You will be notified about shipping dates via email. Status Usually ships next business day; summer delays may occur. If you’re looking for a dependable replacement part that enhances your boating experience, consider ordering the Mercruiser Alpha One Gen I Upper today! With its robust design and superior functionality, this upper unit guarantees optimal performance on the water while being backed by one of the best warranties in the industry. Don’t miss out on upgrading your marine equipment?order now and enjoy smoother sailing! Brand Name: SEI Marine OEM Part Number: 9412A20 Search Terms: Mercruiser Alpha One Gen I, Upper Gearcase 1.47 Ratio, Sterndrive replacement part, Mercruiser gearcase replacement, new style input yoke, 1972-1990 Mercruiser parts, marine gearcase for 300 HP, OE#: 9412A20 replacement, Alpha One upper gearcase specs, Mercruiser sterndrive components.