Mercury - Exhaust Manifold - Fits MCM 8.2L Mag EC & 8.2L MIE EC Engines - 8M0104212 Marine Hardware | Hooks - Clasps - Latches - Pulls - and Rings A: Many technicians replace them

A: Many technicians replace them at the same time since both are part of the cooling system and accessed during routine maintenance

Remove the old thermostat

That rigidity means more consistent performance

It seals out moisture

This product has been superseded by: QA3906R

Mercury - Exhaust Manifold - Fits MCM 8.2L Mag EC & 8.2L MIE EC Engines - 8M0104212 Marine Hardware | Hooks - Clasps - Latches - Pulls - and Rings A: Many technicians replace themMANIFOLD BIG BLOCK EC PORTQS WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.