Yamaha - Trim Tab Anode Corrosion Protection Component 6L6-45371-00-00. Overview. The Yamaha Trim Tab Anode 6L6-45371-00-00 is one of those parts that quietly protects your lower unit every time you're in the water. It takes the hit from corrosion so your skeg and drivetrain components don't have to. If it's worn down or missing, you're leaving expensive parts exposed to damage, especially in saltwater. Swapping it out regularly is an easy way to keep your motor protected and running the way it should.. Key Features. • Sacrificial Corrosion Protection - Absorbs corrosion to protect critical lower unit components.. • OEM Fit Precision - Designed to match Yamaha specifications for proper mounting and performance.. • Integrated Trim Tab Design - Functions as both an anode and trim tab for steering balance.. • Durable Marine Material - Built to withstand harsh saltwater and freshwater environments.. Engine & Boat Compatibility. • LF115 2000-2016• L130 1989-2001. FAQs. Q1: How do I know whe