382547 Impeller Water Pump for Evinrude Johnson OMC BRP | JLM Marine

382547 Impeller Water Pump for Evinrude Johnson OMC BRP Outboard Motors

This high-quality water pump impeller is designed to fit Evinrude Johnson OMC BRP outboard motors ranging from 50HP to 75HP. Engineered to match OEM specifications, this impeller ensures reliable cooling system performance and helps prevent engine overheating during operation.

This impeller directly replaces OEM part numbers 382547, 0382547, 0765431, and 765431, as well as aftermarket equivalents including Sierra 18-3082 and CEF 9-45213, providing broad compatibility across multiple model years from 1968 through 1978.

• 6-blade design for optimal water flow and cooling efficiency
• Precision-molded construction with exact OEM dimensions
• Easy installation as part of routine water pump maintenance

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

Your package includes:

• 1 × Outboard Impeller

Installation Guide

1. Disconnect the fuel line and remove the spark plug wires to ensure the engine cannot start during service.
2. Remove the lower unit from the outboard motor following your engine's service manual.
3. Locate and remove the water pump housing cover by unscrewing the retaining bolts.
4. Carefully extract the old impeller from the pump housing, noting the direction of the blade curvature.
5. Thoroughly clean the pump housing and inspect for wear, corrosion, or debris.
6. Lubricate the new impeller with water pump grease or glycerin to ease installation and prevent dry starts.
7. Install the new impeller with blades curving in the correct rotational direction (refer to your engine manual).
8. Reassemble the water pump housing and secure all bolts to the manufacturer's torque specifications.
9. Reinstall the lower unit onto the outboard motor, ensuring all seals are properly seated.
10. Reconnect fuel lines and spark plug wires, then test the cooling system. Verify water discharge from the tell-tale hole during operation.

Troubleshooting & FAQ

Q: How do I confirm this impeller fits my engine?
A: Check the Compatible Engine Models table above for your outboard's HP rating and model year (1968–1978 for 50-75HP Evinrude Johnson OMC BRP motors). Also verify that your original impeller matches the part numbers listed (382547, 765431, etc.) and the dimensions provided in the Technical Specifications section.

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 overheating, reduced water flow from the tell-tale, or visible cracks/missing blades on the impeller, replace it immediately regardless of usage time.

Q: What are the signs that my impeller is failing?
A: Common symptoms include engine overheating, weak or no water stream from the tell-tale indicator, steam from the engine, and an overheating alarm (if equipped). Inspect the impeller regularly for cracked, broken, or worn blades.

Q: Can I install this impeller myself or do I need a mechanic?
A: If you have mechanical experience and the proper tools, you can install it yourself by following the service manual for your specific engine. However, professional installation is recommended to ensure proper torque specifications, seal alignment, and correct blade orientation.

Q: Is this an OEM part or 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.