395864 Water Pump Impeller for Johnson Evinrude | JLM Marine

Water Pump Impeller – Fits Johnson Evinrude 85–300 HP Outboards

This high-quality aftermarket water pump impeller is designed for Johnson and Evinrude outboard motors ranging from 85 to 300 HP, including V4, V6, and V8 engine configurations. Engineered to deliver reliable cooling performance, this impeller fits a wide range of models from 1979 and up, including FICHT and commercial variants.

This impeller directly replaces OEM part numbers 395864, 397131, 435821, 435748, and 5001593, ensuring seamless compatibility with your original equipment. It also cross-references with aftermarket numbers 18-3059, 777816, 89570, and 9-45206.

• Includes one complete outboard impeller
• Fits V4, V6, and V8 engine configurations (1982–1994 and beyond)
• Compatible with Sea Drive applications (1979 and up)

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/Evinrude Serial Number Guide.

Technical Specifications

Package Contents

• 1 × Outboard Water Pump Impeller

Installation Guide

1. Disconnect the fuel line and remove the lower unit according to your engine's service manual.
2. Remove the old impeller from the water pump housing, noting its orientation and direction of rotation.
3. Clean the pump housing thoroughly to remove any debris, corrosion, or old gasket material.
4. Apply marine-grade grease to the new impeller blades to aid installation and prevent dry starts.
5. Insert the new impeller into the housing, ensuring the blades are oriented in the correct direction (typically clockwise when viewed from above).
6. Install the pump cover plate and torque fasteners to manufacturer specifications using a proper torque wrench.
7. Replace all gaskets and seals included with your pump rebuild kit to prevent leaks.
8. Reinstall the lower unit, ensuring proper alignment with the driveshaft and water tube.
9. Reconnect the fuel line and perform a water test to confirm proper cooling system operation.
10. Check for leaks and verify that water is discharging from the tell-tale indicator at idle.

Troubleshooting & FAQ

Q: How do I confirm this impeller fits my Johnson or Evinrude outboard?
A: Cross-reference your engine's horsepower, year, and model with the compatibility table above. Also verify that your original impeller matches OEM part numbers 395864, 397131, 435821, 435748, or 5001593.

Q: How often should I replace my water pump impeller?
A: Most manufacturers recommend replacing the impeller every 2–3 years or every 200–300 hours of operation, whichever comes first. If you notice overheating, reduced water flow from the tell-tale, or visible blade damage, replace it immediately.

Q: What are the common signs of impeller failure?
A: Watch for engine overheating, weak or no water discharge from the tell-tale indicator, steam from the engine, or reduced performance. Inspect the impeller for cracked, broken, or missing blades during routine maintenance.

Q: Can I use this impeller in Sea Drive applications?
A: Yes, this impeller is compatible with Johnson/Evinrude Sea Drives from 1979 and up, as listed in the compatibility table.

Q: OEM vs. Aftermarket?
A: 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.

Q: How fast do you ship and how much does it cost?
A: 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.

Q: What is your warranty and return policy?
A: 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.