SIERRA 18-2174 Transmission U-Joint

Compatible Engines

The SIERRA 18-2174 transmission U-joint is a critical drive component ensuring smooth torque transfer. This part is designed for Alpha Gen II transmissions (1991-1995), Alpha One Gen I (serial number 0B148819 and up), and Bravo I/III systems (1988-1999). Due to the specific nature of outboard motor designs, compatibility should always be verified by comparing the manufacturer's catalog number 18-2174 or the original OE number. If you have any doubts regarding fitment for your specific power unit, we recommend contacting our store support to confirm compatibility.

Installation and Maintenance

Replacing a U-joint requires precision. Before disassembly, ensure the transmission is clean. The new SIERRA element features high resistance to corrosion and wear, contributing to drive longevity. Remember to thoroughly lubricate new bearings and seals before installation to prevent premature wear. Regular inspection of the U-joint condition prevents unexpected failures during your cruise.

• Original SIERRA quality – guarantees durability and reliable operation.
• Wide compatibility – fits popular Alpha and Bravo series.
• Easy installation – replacement without need for specialized tools.
• Resistance to marine conditions – protected against corrosion and moisture.