Johnson Pump Threaded Blue Insert f/61121 & 61122

The Johnson Pump Threaded Blue Insert f/61121 & 61122 is a critical replacement component for anglers and boaters who rely on dependable raw water cooling systems. Designed specifically for Johnson Pump models 61121 and 61122, this threaded insert is vital for maintaining the integrity of your engine's cooling circuit.

This blue insert functions as a precision seal and flow director within the pump assembly, ensuring consistent water delivery to critical engine passages. The threaded design allows for secure installation and removal without specialized tools, making maintenance and replacement straightforward in the field or at the dock. Johnson Pump's engineering guarantees that this insert matches OEM specifications for pressure tolerance and material durability, resisting salt water corrosion and mineral buildup over extended seasons of service.

Serious boaters carrying spare cooling components will want this insert on board—it's compact at just 2 x 1 x 4 inches and weighs only 0.1 lbs, so deck storage is never a concern. Replacement is straightforward once you access the pump housing, and having a backup means you can address cooling issues without an unplanned marina visit. This insert is compatible exclusively with Johnson Pump models 61121 and 61122, ensuring a perfect fit for your cooling system.