Sierra Marine 18-5983 Sierra Marine Alternators Bumpers keeping gear oil from breaking

keeping gear oil from breaking down under sustained heat

high-performance snarl transforms the driving experience from the first cold start

Compatible with factory and aftermarket exhaust systems

while the engineered intake tube delivers higher velocity airflow to the throttle body compared to the stock plumbing

and charging of the refrigerant system using the correct type and quantity of refrigerant is essential after any A/C component replacement

Sierra Marine 18-5983 Sierra Marine Alternators Bumpers keeping gear oil from breakingThe Sierra Marine 18 5983 Sierra Marine Alternators is a marine grade alternator built for demanding saltwater and freshwater applications. It meets SAE J1171 marine ignition protection standards and delivers reliable charging in corrosive environments where standard automotive alternators fail prematurely. Designed as a direct replacement for MerCruiser and OMC marine propulsion systems, it provides consistent output for batteries and electronics.