This Sierra impeller kit for Indmar raw water pump is intended for maintenance of the cooling system on marine engines with a compatible Sierra 18-3587 pump.
The kit is used when servicing the raw water pump, where the impeller and associated wear parts are replaced to ensure stable water circulation and proper engine cooling.
A suitable choice for boat owners and workshops that want a complete service solution for impeller replacement on compatible Indmar installations.
Key features
Impeller kit for raw water pump
Fits Sierra 18-3587 pump
Used for Indmar marine engines
Includes impeller, seal, gasket, and screws
Replaces Johnson Pump 09-45825
