5000308 Water Pump Impeller Kit for Johnson Evinrude Outboard 40 50 55 60 HP

Product Overview

This Water Pump Impeller Kit is designed to replace the water pump impeller in Johnson and Evinrude outboard motors. It circulates cooling water through the engine to prevent overheating and ensure reliable operation. This kit is ideal for boaters maintaining 40 to 60 HP outboards from both brands.

Key Features & Performance

• Precision-molded rubber impeller for efficient water flow
• Includes impeller, gaskets, seals, and O-rings for a complete rebuild
• Direct OEM replacement for part number 5000308
• High-quality materials resist wear from debris and heat
• Restores proper cooling system performance and extends engine life

Fitment & Compatibility

• Johnson Outboard 40 HP, 50 HP, 55 HP, 60 HP (specific years vary)
• Evinrude Outboard 40 HP, 50 HP, 55 HP, 60 HP (specific years vary)
• Replaces OEM Part# 5000308 and related supersessions

Common Uses

• Annual water pump maintenance on Johnson and Evinrude outboards
• Replacing a worn or damaged impeller that causes low water flow
• Overheating prevention during long fishing or cruising trips
• Restoring cooling efficiency on older two-stroke outboards

Technical Specifications

• Part Number(s): 5000308
• Kit Includes: Impeller, gaskets, seals, O-rings, and key
• Material: Nitrile rubber impeller
• Application: Johnson and Evinrude outboard water pump

Frequently Asked Questions

Q: Will this Water Pump Impeller Kit fit a 1998 Johnson 50 HP outboard? A: Yes, this kit is compatible with Johnson and Evinrude 40-60 HP models from the 1990s and early 2000s; verify your specific model year with part number 5000308.

Q: Does this kit include the wear plate or housing? A: No, this kit contains the impeller, gaskets, seals, and O-rings; the wear plate and housing must be reused or purchased separately.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.