Johnson Pump impeller 1027BT, Ø57.1 mm – with internal thread

Johnson Pump impeller 09-1027BT-1, type 1027BT, is a flexible impeller for Johnson F5 cooling water pumps and bilge pumps. The impeller circulates cooling water through the system and is therefore essential for maintaining the correct engine temperature. This BT version features an internally threaded hub, allowing the impeller to be removed more easily using a suitable Johnson impeller puller. Timely replacement helps prevent insufficient cooling water flow, overheating and damage to the pump or engine caused by a worn impeller.

Key features and benefits:

Impeller for F5 pump: Suitable for Johnson Pump F5B cooling water and bilge pumps.
Type 1027BT: BT version with an internally threaded hub for easy removal.
Diameter 57,1 mm: For pumps requiring this impeller size.
Width 31,5 mm: Correct dimensions for proper installation in the pump.
Shaft diameter 16 mm: Suitable for pumps with this shaft connection.
12-tooth spline drive: For driving the impeller via a splined pump shaft.
12 blades: Ensures reliable water displacement in the cooling water system.
Neoprene version: Suitable for fresh and salt water cooling applications.
Replaces multiple references: Used as an alternative to Johnson 09-1027B-1 and various Jabsco, Volvo Penta, Yanmar and Vetus references, among others.
Prevents overheating: An important maintenance component for reliable cooling water circulation.

Useful for installation and removal

For easy removal of Johnson Pump impellers, you can use the Johnson Pump impeller puller. This allows the impeller to be removed from the pump in a controlled manner without placing unnecessary strain on the pump.