Mercury MerCruiser MCM 454 Mag MPI Service Manual page 854

SERVICE MANUAL NUMBER 23
NOTE: Certain components in the following diagram may look different than on your particu-
lar power package, but the water flow paths remain similar on all engines.
Index
90-861326--1 MARCH 1999
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1 - Thermostat Housing
2 - Engine Circulating Pump
3 - Seawater Pickup Pump
4 - Seawater Inlet
5 - Engine Oil Cooler
6 - Exhaust Elbow
7 - Restrictor Gasket
8 - Exhaust Manifold
9 - Power Steering Cooler (MCM) or Transmission Cooler (MIE)
10 - Fuel Cooler
SEAWATER COOLED MODELS
Page 6A-29