Cooling System

Indmar Marine Impeller Pump Gasket – Johnson | Part #685008 Never reuse an old gasket — this genuine Indmar Johnson pump gasket is the correct OEM replacement seal for the Johnson raw water pump fitted to Indmar marine engines. A small but critical component that ensures a leak-free seal on your raw water pump — protecting your cooling system integrity and keeping your engine at safe operating temperature all season long. Compatible with: Indmar marine engines fitted with Johnson raw water pumps on Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment for your specific model year before ordering.

Indmar Marine Raw Water Pump Impeller | Part #685007 The single most important annual service part for your Indmar engine — this genuine Indmar raw water pump impeller should be replaced every season without exception. A healthy impeller means a healthy cooling system. A failed impeller means no cooling water flow and a catastrophically overheated engine in minutes. This small rubber component is without question the cheapest insurance policy you can buy for your Indmar marine engine. Compatible with: Indmar marine engines with Johnson raw water pumps fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment for your specific model year before ordering.

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 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

Indmar Marine Thermostat Kit – 5.7L | Part #491010 Service your 5.7L cooling system with confidence using this genuine Indmar thermostat kit — a complete kit containing everything needed for a full thermostat replacement in one part number. No hunting for individual gaskets or hardware — everything included, ready to fit. Compatible with: Indmar 5.7L marine engines fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment