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Reconnect the battery and test the engine with a water supply to confirm proper cooling system function
Remove the old thermostat and the surrounding gaskets or seals
drive shaft key
Follow these steps to correctly apply your compliance decal:
2L (502 CID) V8 High-performance applications Drive Unit Compatibility
16-866563 16-818834 Gimbal Housing Stud 4.25" for Mercruiser Alpha Gen II Bravo I II III | JLM Marine family-yamaha-40ld Reconnect the battery and testGimbal Housing Stud 4. 25" Fits Mercruiser Alpha Gen II, Bravo I, II, III This Gimbal Housing Stud Kit is designed for Mercruiser stern drive applications, including Alpha Gen II and Bravo I, II, and III series. Each stud measures 4. 25 inches and is engineered to secure the gimbal housing assembly reliably during operation. This kit serves as a direct replacement for OEM part numbers 16 866563, 16 818834, 818834, and 866563, ensuring seamless fitment