Yamaha - Cooler - 6C5-21841-01-00 Yamaha-F15C-2016 The insulation is marine-grade —

The insulation is marine-grade — built to handle the heat

This genuine Mercury Marine part is tested in the same demanding conditions your boat faces — from humid saltwater environments to full-day runs in the sun

and ensure proper mounting torque

• 26-Tooth Gear Design – Precisely cut teeth ensure smooth engagement and consistent rotation under load

Yamaha - Cooler - 6C5-21841-01-00 Yamaha-F15C-2016 The insulation is marine-grade —Yamaha Cooler Engine Cooling Component 6C5 21841 01 00 Overview Heat is one of the biggest enemies of any outboard, especially when youre running long or pushing hard. This cooler helps manage that by keeping temperatures in check so the engine can run steady without stress. When these start to clog or lose efficiency, youll notice performance drop or temps creeping higher than they should. Keeping a good cooler in place helps the motor stay