Mastercraft

PORT SIDE EXHAUST ELBOW USED ON 5.7 CAT MANIFOLDS 2011 THRU CURRENT USE 765006 GASKET, 735020 V-BAND CLAMP. Indmar Marine Exhaust Elbow – Catalyst Extended Port | Part #585018 Keep your exhaust system flowing freely and your engine running clean with this genuine Indmar catalyst exhaust elbow, extended port design. A critical component in your Indmar marine exhaust system — the exhaust elbow directs hot exhaust gases away from the engine while the integrated catalyst helps reduce harmful emissions, keeping your boat compliant with Australian marine environmental standards.

Indmar Marine Ignition Wire Set – 6.0L CNP Shielded 90° Catalyst | Part #751203P The correct ignition wire set for Indmar 6.0L Coil Near Plug (CNP) engines fitted with a catalyst exhaust system. Shielded construction and 90-degree boots are not optional on this application — they are essential for correct ignition performance, O2 sensor accuracy, and emissions compliance. Compatible with: Indmar 6.0L CNP catalyst exhaust marine engines fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment before ordering.

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.

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)

STARBOARD SIDE EXHAUST ELBOW USED ON 5.7 CAT MANIFOLDS 2011 THRU CURRENT USE 765006 GASKET, 735020 V-BAND CLAMP. Indmar Marine Exhaust Elbow – Catalyst Extended Port | Part #585017 Keep your exhaust system flowing freely and your engine running clean with this genuine Indmar catalyst exhaust elbow, extended port design. A critical component in your Indmar marine exhaust system — the exhaust elbow directs hot exhaust gases away from the engine while the integrated catalyst helps reduce harmful emissions, keeping your boat compliant with Australian marine environmental standards.

Indmar Marine Ignition Wire / Spark Plug Leads Set – 5.7L Chevrolet Small Block EST | Part #756002 Restore reliable ignition performance with this genuine Indmar ignition wire and lead set, specifically designed for the Indmar 5.7L Chevrolet small block engine with Electronic Spark Timing (EST). A complete set of ignition leads is one of the most overlooked tune-up items on marine engines — yet worn or damaged leads are one of the most common causes of misfires, rough running, and hard starting on the 5.7L small block. Compatible with: Indmar 5.7L Chevrolet small block marine engines with Electronic Spark Timing (EST) fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment for your specific model year