Yamaha - Insert, cartridge - 663-44322-40-00 Mercury Quicksilver Outboard Engine Oil • Reliable Signal Transmission –

• Reliable Signal Transmission – Ensures accurate communication to the oil warning light system

That means proper flow rate

it’s simple when you’re already servicing the water pump

93102-25438-00 - OIL SEAL

Yamaha - Insert, cartridge - 663-44322-40-00 Mercury Quicksilver Outboard Engine Oil • Reliable Signal Transmission –Yamaha Cartridge Insert Water Pump Component 663 44322 40 00 Overview The cartridge insert is an essential component within the Yamaha outboard water pump assembly, designed to support and guide internal pump components for efficient operation. It helps maintain proper alignment and contributes to smooth water flow through the cooling system, ensuring reliable engine temperature regulation. Built to OEM specifications, this insert provides precise