Yamaha - Heat exchanger assy - 67C-12440-00-00 MerCruiser-8-2L-MCM--MIE-2023 • Protects Critical Engine Components

• Protects Critical Engine Components – Helps prevent corrosion damage to vital parts

The switch itself is completely waterproof

When a lower unit starts giving you trouble

ensuring a dependable and enjoyable boating experience

the fuel system breathes with a smooth

Yamaha - Heat exchanger assy - 67C-12440-00-00 MerCruiser-8-2L-MCM--MIE-2023 • Protects Critical Engine ComponentsYamaha Heat Exchanger Assy Cooling System Component 67C 12440 00 00 Overview On engines that rely on a heat exchanger setup, this is a critical piece for keeping temperatures under control. It transfers heat away from the engine using coolant and raw water, and when it starts to clog or fail, youll notice rising temps pretty quickly. Ive worked on setups where everything else checked out, but the exchanger was the bottleneck. When its clean and