A physical inspection may also reveal cracks
It may be helpful to lightly lubricate the housing and turn the driveshaft in its normal rotational direction to seat the vanes correctly
You can suspend the thermostat in a pot of water with a thermometer
The kit includes one oil seal
compatibility depends on the manufacturing run
Fuel Pump Assembly – Fits Johnson/Evinrude, Yamaha, Suzuki 4-6 HP (Replaces 5033371, 5037518, 67D-24410, 15100-91J00) 3.3HP A physical inspection may alsoProduct Details This is a complete Fuel Pump Assembly Fits Johnson Evinrude 4 6 HP, Yamaha F4 F5 F6, Suzuki DF4 DF5 DF6, designed as a direct fit replacement for specific 4 stroke outboard engines. It is compatible with Johnson Evinrude 46 HP models (20032007), Yamaha F4 F5 F6 models (19992006), and Suzuki DF4 DF5 DF6 models (20032018). This assembly serves as a direct interchange for Johnson Evinrude part numbers 5033371 and 5037518; Yamaha numbers