Map Sensor for MerCruiser V8, 520-565 Hp GM & MIE engines. OEM: MercuryReplaces: Mercury 854445For 2003-09 V8, 520-565 Hp GM & MIE engines.also crosses with:Sierra: 18-7668Mallory: 9-33603Map SensorSKU: 1300-36069$67.00PriceQuantityAdd to Cart