Boost Control Isolator Bypass Plate For Mercury 450R/500R (8M0162821) 75HP P79S Plastic In-hull Mount Transducer

P79S Plastic In-hull Mount Transducer with 20' Cable & SeatalkNG Adapter (T70278) by Raymarine

your display can be placed anywhere on your boat

Larger gains on 100+ MPH boats

and UV Compliant

and CP100 Sonar modules

Boost Control Isolator Bypass Plate For Mercury 450R/500R (8M0162821) 75HP P79S Plastic In-hull Mount TransducerOn the 450R 500R this Isolator bypass plate is located between the intake manifold plenum and the boost control valve or also know as a 2nd throttle body. This is a common spot that can cause a boost leak which will have a signify amount of power and efficiency loss. Replace your faulty part with this OE part.