F4 Impeller 12 Mm I.D. (Neoprene) | Johnson Pump 09-810B-1 Piranha Propellers Replacement Blades A Series 4 Blade

F4 Impeller 12 Mm I.D. (Neoprene) | Johnson Pump 09-810B-1 Piranha Propellers Replacement Blades A Series 4 BladeF4 Impeller 12 Mm I. D. (Neoprene) Johnson Pump 09 810B 1 F4 Impeller 12 Mm I. D. (Neoprene) Johnson Pump 09 810B 1 Johnson Pump 09 810B 1 F4 Impeller 12 mm I. D. Neoprene Replacement Component High performance impeller assembly engineered for marine cooling and circulation systems. This six blade unit features MC97 elastomer construction, delivering reliable fluid dynamics across freshwater and saltwater applications. Rated for 2 inch outer diameter

Kit includes 18 foot cable

and 55 HP 2 cylinder engines from 1971-2005

immediately stop what you are doing and carefully inspect the area where you are working for a possible fire

Sierra: 18-3791

Two single row ball bearings

These engines often use the Rochester 4-barrel carburetor

The diameter of this blade does not often work well with outboard motors made by Johnson / Evinrude though

Does not include hub - requires brand/model specific 500 or 700 series Turning Point MasterGuard hub kit sold separately

it fits neatly into tight spaces

Sealed design reduces possibility of fire

which virtually eliminates lower unit damage

Fits Mercruiser R/MR/Alpha One stern drives from serial number 6225577 and up (1983-1990)