47-59362T1 Impeller for Mercury Mercruiser 4.3L 5.0L 5.7L 350 Mag 7.4L 454 Mag 502 Mag Bravo | JLM Marine

47-59362T1 Drive Component for Mercury Mercruiser 4.3L 5.0L 5.7L 350 Mag 7.4L 454 Mag 502 Mag Bravo | JLM Marine

This outboard impeller is engineered to fit a wide range of Mercury Mercruiser Bravo drive systems manufactured in 1999 and older. It is compatible with multiple engine displacements including 4.3L, 5.0L, 5.7L, 350 Mag, 7.4L, 454 Mag, and 502 Mag models, covering both carbureted and EFI configurations.

This component directly replaces OEM part number 47-59362T1, ensuring a precise fit for your stern drive cooling system. Designed for reliable water flow and engine cooling performance, it provides a dependable aftermarket solution for maintaining your Mercruiser Bravo drive.

• Fits both carbureted and EFI Mercruiser Bravo drives
• Covers seven engine displacement families (4.3L through 502 Mag)
• Direct replacement for Mercury OEM 47-59362T1

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 Mercury owners, here's a guide to help you identify your engine's serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• Outboard Impeller

Installation Guide

1. Disconnect the battery and ensure the engine is completely cool before beginning work.
2. Remove the lower unit from the stern drive following your engine's service manual procedures.
3. Locate and remove the water pump housing cover, typically secured by multiple bolts.
4. Carefully extract the old impeller, noting the direction of the blade rotation for proper orientation.
5. Inspect the impeller housing for wear, corrosion, or debris; clean thoroughly before proceeding.
6. Lubricate the new impeller blades with glycerin or soapy water to ease installation and prevent damage.
7. Insert the new impeller into the housing, ensuring blades are oriented in the correct rotational direction.
8. Reinstall the water pump housing cover and torque bolts to manufacturer specifications.
9. Reattach the lower unit to the stern drive, aligning all splines and fasteners properly.
10. Reconnect the battery and perform a water flow test to confirm proper impeller operation.
11. Check for leaks around all seals and gaskets during initial engine run-up.
12. If abnormal noise or insufficient water flow occurs, shut down immediately and re-inspect installation.

Troubleshooting & FAQ

Q: How do I confirm this impeller fits my Mercury Mercruiser engine?
A: Verify your engine model and year against the compatibility table above. Ensure your drive is a Bravo system manufactured in 1999 or earlier, and confirm your original part number matches 47-59362T1.

Q: How often should I replace the water pump impeller?
A: Most manufacturers recommend inspecting the impeller annually and replacing it every 2–3 years or 200–300 hours of operation, whichever comes first. Replace immediately if you notice overheating or reduced water flow.

Q: What are the signs that my impeller is failing?
A: Common symptoms include engine overheating, weak or no water discharge from the cooling outlet, unusual noise from the lower unit, or visible damage such as cracked, melted, or missing impeller blades during inspection.

Q: Can I use this impeller on both carbureted and fuel-injected engines?
A: Yes, this impeller is designed to fit both carbureted and EFI configurations of the listed Mercruiser Bravo drive engines from 1999 and older.

Q: What's the difference between OEM and aftermarket impellers?
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.