396644 Water Pump Impeller Repair Kit with Housing for Johnson Evinrude OMC Outboards 2 Stroke 4 4.5 6 8 HP Engines 1980-1997 Marine Cooling System Service Compatible with Sierra 18-4529 Replacement

• The Water Pump Impeller Repair Kit is designed for Johnson Evinrude OMC 4HP 4.5HP 6HP 8HP outboard motors, covering 1980 to 1997 gearcase models. It helps keep the cooling system running smoothly during regular boating use.
• The Outboard Impeller Kit for Johnson Evinrude OMC 0389844 0396644 396644 765603 389844 is also compatible with Sierra 18-4529 GLM Marine 12065.
• The Aftermarket Replacement Water Pump Repair Kit for Johnson Evinrude includes components: a rubber impeller 18-3091 , Drive Key, Grommet, Screws, Impeller Hsg Plate, Impeller Hsg Cup, Impeller Hsg Gasket, O-Ring, Gaskets
• The Water Pump Service Kit helps restore cooling performance by replacing worn parts that may cause overheating reduced water flow or water pump failure over time.
• The Marine Cooling System Impeller Repair Kit is recommended for seasonal or 100-hour maintenance and helps prevent unexpected cooling problems when operating in seawater shallow areas or waters with debris.

Water Pump Impeller Repair Kit with Housing - Fits Johnson Evinrude 2 Stroke 4 4.5 6 8 HP 1980-1997 This GHmarine water pump impeller repair kit fits 1980-1997 Johnson Evinrude Outboard. It helps support engine cooling and maintain water flow for your boat's performance on the water. Compatible for Evinrude Johnson Marine Outboard Motor Models(Verify your engine year and displacement): for Johnson Evinrude 4HP 4.5HP 6HP 8HP Outboard Motors 2-Stroke Models 4 hp Deluxe 2-Stroke 4.5 hp 1980-1997 2-Stroke 6 hp 1984-97 2-Stroke 8 hp 1986-97 Feel free to share your engine serial number for compatibility confirmation. Replaces Part Numbers: for Johnson Evinrude OMC 0389844 0396644 396644 765603 389844 for Sierra 18-4529 for GLM Marine 12065 Package Include: 1x Water Pump Housing 18-3026 1x Drive Key 331130 1x 18-1827 Grommet 321129 1x 18-3329 Grommet 302497 1x 18-4277 Screws 324430 1x 18-4578 Impeller Hsg Plate 324640 1x 18-4551 Impeller Hsg Cup 324641 1x 18-99156 Impeller Hsg Gasket 325040 1x 18-3091 Impeller Assembly 389576 1x 18-7413 O-Ring 303191 2x Gaskets OEM:311598 Key Features of Our Kit: Neoprene rubber impeller resists saltwater corrosion for pumping performance and service life. Complete kit with housing: Includes impeller pump housing stainless wear plate gaskets O-rings seals and liner cup—all in one package. Drop-in design for DIY installation: ready in minutes with basic tools. Materials tested for heat resistance abrasion and operation in fresh or saltwater conditions. Why Regular Impeller Replacement Matters The impeller draws in water to circulate through the engine for heat dissipation. Over time saltwater exposure debris dry running or wear can cause the rubber blades to crack deform or break off—reducing water flow and risking engine damage like warped cylinders or seized pistons. Marine sources suggest inspecting and replacing it every season or after 100 hours of use to help avoid repair costs and support performance.