Product Overview
U-Joint

Keep your MerCruiser Alpha I, Alpha I SS, or Bravo stern drive running smoothly with the Sierra 18-2174 Heavy-Duty U-Joint. This crucial component ensures reliable power transfer and smooth operation, minimizing vibrations and maximizing performance. Built tough to withstand the demanding marine environment, this U-joint is a direct replacement for MerCruiser 75832A3 SS 75832T1 and offers superior durability and longevity for worry-free boating.
Key Features
- **Heavy-Duty Construction:** Engineered for superior strength and resistance to wear and tear in harsh marine conditions.
- **Direct Replacement:** Perfectly replaces MerCruiser 75832A3 SS 75832T1 and numerous other OEM part numbers for hassle-free installation.
- **Wide Compatibility:** Fits Alpha I Units (s/n B418819 & Above), Alpha I SS, and Bravo stern drives, covering a wide range of MerCruiser applications.
- **Versatile Grease Fittings:** Includes both straight and 90° grease fittings for easy lubrication and maintenance, regardless of installation orientation.
- **Smooth Power Transfer:** Minimizes vibrations and ensures efficient power transfer from the engine to the propeller for optimal performance.
- **Extended Service Life:** Built to last, providing reliable performance and reducing the need for frequent replacements.
- **Cross-Reference Compatibility:** Interchangeable with GLM 28030, Mallory 9-72405, and various other brands, making it a versatile choice for repairs and upgrades.
- **Peace of Mind:** Backed by Sierra's reputation for quality and reliability, ensuring a dependable solution for your stern drive needs.
Specifications
The Captain's Take
As a seasoned captain, I know the importance of reliable equipment. The Sierra 18-2174 U-Joint is a must-have for any MerCruiser owner. Its heavy-duty construction and smooth operation give me confidence in my vessel's performance, allowing me to focus on what matters most – enjoying time on the water. Don't compromise on quality; choose Sierra for peace of mind and lasting performance.