Water Pump Impeller with Key for Evinrude Johnson OMC BRP | JLM Marine

Water Pump Impeller with Key for Evinrude Johnson OMC BRP Outboard Motors

This aftermarket water pump impeller is designed to fit Evinrude Johnson OMC BRP outboard motors rated 2HP, 2.5HP, 3HP, 3.5HP, and 4HP. Engineered to meet OEM specifications, this replacement impeller ensures reliable cooling system performance and protects your engine from overheating during operation.

As a direct replacement for factory impellers, this component provides dependable water flow and is built with durable rubber construction to withstand harsh marine environments. Keep your cooling system running efficiently with this quality aftermarket solution.

• Includes impeller and drive key/pin for complete installation
• Fits multiple low-horsepower Evinrude Johnson OMC BRP models
• Drop-in replacement for worn or damaged impellers

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.

Package Contents

• Outboard Rubber Impeller with Key / Pin

Installation Guide

1. Disconnect the fuel line and remove the lower unit or water pump housing according to your engine's service manual.
2. Remove the old impeller by carefully pulling it from the pump housing; note the orientation of the blades.
3. Clean the impeller housing thoroughly, removing any debris, corrosion, or old gasket material.
4. Lubricate the new impeller with water pump grease or soapy water to ease installation and protect the rubber.
5. Insert the drive key/pin into the impeller shaft slot, ensuring it is properly seated.
6. Install the new impeller into the housing, aligning the blades in the correct rotation direction (typically clockwise when viewed from above).
7. Carefully rotate the impeller by hand to confirm smooth operation and proper blade flex.
8. Reinstall the pump housing or lower unit, torquing fasteners to manufacturer specifications.
9. Reconnect the fuel line and water hoses, checking all connections for security.
10. Start the engine in a test tank or on muffs and verify strong water flow from the telltale/indicator stream.

Troubleshooting & FAQ

Q: How do I confirm this impeller fits my Evinrude or Johnson outboard?
A: Check your engine's rated horsepower against the compatibility table above (2HP–4HP models). If your HP matches and you have an Evinrude, Johnson, OMC, or BRP outboard, this impeller should fit. Always compare the part images with your original impeller to confirm blade count and dimensions.

Q: How often should I replace my water pump impeller?
A: Most manufacturers recommend replacing the impeller every 2–3 years or 200–300 hours of operation, whichever comes first. If you notice reduced water flow, overheating, or visible cracks/missing blades, replace it immediately regardless of service interval.

Q: What are the signs of a failing impeller?
A: Common symptoms include weak or no water discharge from the telltale, engine overheating alarms, steam from the engine, or visible damage to the impeller blades (cracks, tears, missing pieces). Inspect your impeller regularly during seasonal maintenance.

Q: Does this impeller come with the drive key?
A: Yes, this package includes both the rubber impeller and the drive key/pin required for installation.

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.