The impeller is constructed from marine-grade CR Neoprene rubber with a hardened nylon hub for durability
it is good practice to replace the thermostat as part of preventative maintenance every few hundred hours or during any major cooling system service (e
Inspect Old Parts: Note the rotational direction of the old impeller's blades
the pump recirculates and aerates livewell water while blending in fresh water
This thermostat kit is designed for Johnson/Evinrude 2-Stroke V4 Crossflow outboard engines
300-8M0077471 184-0003 Ignition Coil for Mercury Optimax EFI | JLM Marine family-yamaha-15esk The impeller is constructed fromIgnition Coil for Mercury Optimax EFI Fits Mercury 2 Stroke & 4 Stroke Outboard Motors This aftermarket ignition coil is engineered for Mercury Optimax, Mercury EFI 2 Stroke, Mercury EFI 4 Stroke, and Mercury Racing engines ranging from 30 HP to 300 HP. It delivers reliable spark and performance across a wide range of applications, including recreational, Pro XS, and racing models. Direct replacement for Mercury OEM part numbers 300 8M0077471, 184