Sea-Dog 521550-1 Inboard Motor Flusher

Sea-Dog 521550-1 is an inboard motor flusher with a rubber cup that seals over the water intake and connects to a garden hose. It is used for flushing, tune-up, or winterizing service on compatible inboard engines. The adjustable aluminum leg supports the cup while water is supplied through the hose connection.

Sea-Dog 521550-1 Inboard Motor Flusher is listed in the Laken Water Sports marine parts catalog for online ordering and Phoenix-area pickup. Confirm fitment, availability, and pickup timing with the parts team before ordering when compatibility is critical.

Fitment notes: Inboard motor flushing tool; confirm intake style and safe service procedure.