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and the motor's weight should be resting on it without any looseness or gaps
It is designed for universal compatibility with fuel tanks that feature a standard 1/4" NPT threaded port
1x Thermostat (Replaces 346-01030)
Includes essential mounting hardware for a complete installation
Specialized tool for installing the aluminum retainer ring into U-joint bellows
Exhaust Manifold Gasket – Fits MerCruiser 140 HP 3.0L (Replaces 27-53354, 18-2912, 31570, 9-61417) QuickMarine and the motor's weight shouldProduct Details This is a direct replacement Exhaust Manifold Gasket for MerCruiser 140 HP 3. 0L (181 CID) 4 cylinder engines (GM based stern drive applications) from years 19681982. It ensures a proper seal for the wet joint between the exhaust manifold and the cylinder head, preventing water and exhaust leaks. It serves as a direct cross reference for Mercury MerCruiser 27 53354, Sierra 18 2912, GLM 31570, and Mallory 9 61417. Installation Type: Wet
