Indmar Marine Thermostat 160° Drilled – LT1 & 5.7L Fresh Water Cooled Engines | Part #986034 Maintain optimal engine temperature with this genuine Indmar 160° drilled thermostat, designed specifically for fresh water cooled Indmar marine engines. The precision drilled bypass hole ensures smooth coolant flow and prevents air pockets from forming in the cooling system — a common cause of overheating in tow boats. Compatible with: Indmar LT1 and 5.7L fresh water cooled engines fitted to Malibu, Axis, Moomba, Supra, and Tige boats.
STRINGER PAD ASSEMBLY INCLUDES, 535010E STRINGER PAD, 536005 BUSHING, 985010Q MOUNT SCREW, 565934Q LARGE WASHER, 565159Q SMALL WASHER, 565044Q LOCK NUT, 565043Q JAM NUT