Mercruiser Hose→molded hoses→Mercruiser 3.7L 224 cid 4 Cylinder 165 170 190 470 485

Part # & Price	Description
AP1543 $33.95	Hose Molded Mercruiser 3.7L 224 Thermostat to Heat Exchanger 32-77245 Molded Water Hose for Mercruiser 3.7L, thermostat housing to the Heat Exchanger. This item Replaces Mercruiser oem # 32-77245.
SIE18-70704 $16.95	Hose Molded Water for Mercruiser 3.7 224 Cylinder Head to Manifold 32-89653 Water Hose used on 4 Cylinder Mercruiser 3.7L(224 C.I.D.) engines. This hose goes from the end of the cylinder head to the exhaust manifold. This hose is about 5.0" Long with 1-1/4" openings and a 90° bend. Replaces Mercury : 32-89653
MER32-89655 $44.95	Hose Exhaust to Intake For Mercruiser 3.7L Using Aluminum Manifold 32-89655 This Hose goes from the Exhaust to the Intake Manifold on Mercruiser 3.7L 224 CID 4 Cylinder with Aluminum Manifold Replaces OEM: 32-89655
MER32-99520 $21.95	Hose - Heat Exchanger to Regulator, Mercruiser 3.7L 83-89 and GM 454 V8 98-Up Hose, Regulator Tube O.D. 3/4", Heat Exchanger Tube O.D. 3/4", (Heat Exchanger to Regulator) Fits Mercruiser 3.7L (1983-1989) and GM Big Block V8 (1998-newer)