Indmar GM 5.7 2006 – 2018

Indmar Marine Intake Manifold Gasket – 5.7L Vortec Engine | Part #556099 ⚠️ Important: 2 gaskets required per engine — order quantity 2 Ensure a perfect intake seal on your Indmar 5.7L Vortec engine with this genuine Indmar intake manifold gasket. A critical sealing component that sits between the intake manifold and cylinder head — maintaining the correct air/fuel mixture delivery into your engine. A failed intake gasket is one of the most common causes of vacuum leaks, rough running, and coolant loss on the 5.7L Vortec marine engine. Compatible with: Indmar 5.7L Vortec marine engines fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment for your specific model year before ordering.

Indmar Marine Formed Emission Hose 1/2" | Part #841010 Maintain a clean and compliant cooling and emission system with this genuine Indmar 1/2 inch pre-formed emission hose. Precision formed to the exact OEM shape for a perfect fit straight out of the box — no cutting, bending, or adapting required. Built specifically for Indmar marine engines where emission system integrity is essential for both performance and environmental compliance. Compatible with: Indmar marine engines fitted to Malibu, Moomba, Supra, and Tige boats.

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.

Indmar Marine Lower Intake Manifold – 5.7L PFI E-Coat | Part #531197E Restore peak engine performance with this genuine Indmar lower intake manifold for the 5.7L Port Fuel Injection (PFI) engine, featuring a durable E-coat (electrocoat) finish for superior corrosion protection in the demanding marine environment. The lower intake manifold is one of the most significant components on your engine — directing the air/fuel mixture from the throttle body into each cylinder for combustion. Compatible with: Indmar 5.7L PFI (Port Fuel Injection) marine engines fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment for your specific model year before ordering.

Indmar Marine Exhaust Elbow Catalyst Gasket – 5.7L Engine | Part #765006 Never reuse an old gasket — this genuine Indmar exhaust elbow catalyst gasket is the correct OEM replacement for the 5.7L engine and should be replaced every time the exhaust elbow is removed. A small, inexpensive part that plays a critical role in keeping your exhaust system sealed, your engine protected, and your boat compliant with Australian marine emissions standards. Compatible with: Indmar 5.7L marine engines with catalyst exhaust elbow fitted to Malibu, Moomba, Supra, MB , Mastercraft and Tige boats Genuine Indmar Parts deliver optimal performance, efficiency and a longer engine life. PRECISION FIT. GENUINE QUALITY. PROVEN PERFORMANCE

Indmar Marine J-Formed Hose with Spring | Part #845040 Ensure reliable coolant flow with this genuine Indmar J-formed hose complete with internal spring. The integrated spring prevents the hose from collapsing under suction — a common problem on marine engines where cooling system pressure and flow rates are critical to preventing overheating on the water. Compatible with: Indmar marine engines fitted to Malibu, Moomba, Supra, and Tige boats.