Cooling system

CHEVROLET THERMOSTAT HOUSING 1 PIECE NLA.-USE 531067S THERMOSTAT HOUSING 2EA 605034 1/2" PIPE PLUGS AND 551004 GASKET. (Remove hoses going to elbow fittings in intake. Install 1/2" pipe plugs in place of those fittings)

Fitting 1/2" NPT T Fitting 3/8 & 5/8 Barb

Indmar Marine Raw Water Pump Bracket Kit – 5.7L | Part #495200 Ensure your raw water pump is correctly and securely mounted with this genuine Indmar raw water pump bracket kit for the 5.7L marine engine. The pump bracket is the structural foundation of your raw water cooling system — holding the pump in precise alignment with the drive belt and engine block. A worn, cracked, or incorrectly fitted bracket causes pump misalignment, accelerated belt wear, bearing failure, and ultimately cooling system breakdown on the water. Compatible with: Indmar 5.7L marine engines

Indmar Marine Lower Thermostat Housing – Low Profile E-Coat | Part #531069E Seal and protect your cooling system with this genuine Indmar lower thermostat housing, featuring a durable E-coat (electrocoat) finish designed to resist corrosion in the harsh marine environment. The low profile design ensures a clean, precise fit in tight engine bay spaces — common in modern wake boats where engine compartments are compact. Compatible with: Indmar marine engines fitted to Malibu, Moomba, Supra, and Tige boats.

985009 Indmar Thermostat 160deg

Indmar Marine Thermostat Housing Gasket | Part #551004 A small part that does a critical job — this genuine Indmar thermostat housing gasket seals the thermostat housing to the engine block, preventing coolant leaks at one of the most heat-stressed joints in the cooling system. Always replace this gasket any time the thermostat housing is removed — never reuse an old gasket. Compatible with: Indmar marine engines