Water Pump Impeller Kit – Fits Johnson/Evinrude 75-250 HP Outboard Motors (Replaces 5001595, 435929, 777802)

Water Pump Impeller Kit – Fits Johnson/Evinrude 75-250 HP Outboard Motors (Replaces 5001595, 435929, 777802)

This water pump impeller kit is designed to fit Johnson/Evinrude 75-250 HP outboard motors manufactured between 1993 and 2000, including V4, V6, and V8 engine configurations.

It serves as a direct replacement for Johnson/Evinrude part numbers 5001595, 435929, and 777802, as well as Sierra 18-3315-2, GLM 12000, and Mallory 9-48200 kits.

• Includes impeller, key, housing, cup, gaskets, grommets, O-rings, and bolts
• Compatible with gasoline engines
• Installation via direct OEM replacement

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Johnson/Evinrude owners, here’s a guide to help you identify your engine’s serial/model: Johnson Serial Number Guide.

Technical Specifications

Package Contents

• 1 x Neoprene Impeller (5001593)
• 1 x Impeller Key (0331107)
• 1 x Water Pump Housing (0338893)
• 1 x Water Pump Cup (0338486)
• 1 x Gasket (0338484)
• 1 x Wear Plate (0338485)
• 5 x Grommets (0320943, 0314008, 0338601)
• 4 x O-rings (0331188, 0302035, 0331353)
• 6 x Stainless steel Bolts (0302325, 0306643)
• 3 x Coupling Assembly or Tube outboard water pump lower unit

Installation Guide

1. Remove the lower unit of the outboard motor to access the water pump.
2. Drain any remaining water from the cooling system to avoid spillage.
3. Remove the old impeller and water pump housing carefully using appropriate tools.
4. Clean the mounting surface and inspect for any damage or wear.
5. Install the new neoprene impeller into the water pump housing, ensuring proper orientation.
6. Secure the impeller key in place as per manufacturer specifications.
7. Replace the gasket and wear plate included in the kit.
8. Reassemble the water pump housing with new grommets, O-rings, and bolts supplied.
9. Reattach the water pump cup and coupling assembly as necessary.
10. Reinstall the lower unit onto the outboard motor and tighten all fasteners securely.
11. Run the engine briefly to check for proper water flow and leaks.
12. Perform a final inspection and ensure all parts are securely installed.

Troubleshooting & FAQ

• How do I confirm this fits my engine? Check the compatibility table for engine model, horsepower, and year to ensure match. Use the serial number guide link for additional verification.
• How often should I replace the impeller? Typically, inspect and consider replacement annually or every 100 hours of operation to prevent water pump failure.
• What are the differences compared to OEM parts? This is an aftermarket replacement built to OEM specifications using comparable-grade materials, produced under quality control standards.
• What signs indicate impeller failure? Overheating, reduced water flow, or unusual engine temperature fluctuations suggest the impeller may need replacement.
• OEM vs. Aftermarket? This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
• How fast do you ship and how much does it cost? We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
• What is your warranty and return policy? This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.