Yamaha - Dowel Pins (Qty 2) Alignment Component 93604-18080-00. Overview. The Yamaha Dowel Pins (Qty 2) 93604-18080-00 are small parts, but they play a big role in keeping everything lined up the way it should. These pins are what help align engine and lower unit components so everything fits tight and runs true. When they're worn, missing, or damaged, you can end up with misalignment issues that lead to bigger problems down the line. If you're tearing into the motor or reassembling components, these are the kind of parts you don't overlook.. Key Features. • Precision Alignment Support - Keeps engine and drivetrain components properly positioned during assembly.. • OEM Fit Precision - Manufactured to Yamaha specifications for exact fit and proper seating.. • Secure Component Positioning - Helps prevent shifting or misalignment under load and vibration.. • Durable Steel Construction - Built to handle repeated assembly cycles and engine stress.. Engine & Boat Compatibility. • F2.5 Presen