MERCURY 135-150HP 4 STROKE ALTERNATOR (8M0065239)

Keep your outboard engine’s electrical system operating at peak efficiency with the MERCURY 135-150HP 4 STROKE ALTERNATOR (8M0065239). This genuine Mercury replacement alternator is specifically designed for 135hp and 150hp 4-stroke outboards, ensuring the perfect fit, performance, and reliability your engine demands on the water.

The alternator is responsible for supplying power to essential components including your ignition system, electronics, gauges, and battery charging system. A failing or underperforming alternator can lead to battery drain, erratic engine behavior, and electrical malfunctions—potentially stranding you when you need your boat the most. The MERCURY 135-150HP 4 STROKE ALTERNATOR (8M0065239) offers a direct OEM-quality replacement that restores full charging performance with confidence.

Manufactured to Mercury Marine’s strict standards, this alternator features durable windings, high-efficiency output, corrosion-resistant materials, and a rugged housing built to withstand the harsh marine environment. Whether you’re replacing a worn alternator or performing a major overhaul, this unit ensures consistent voltage output to support modern marine electronics, including GPS units, fish finders, lighting systems, and onboard accessories.

This part fits various Mercury 4-stroke models and installs easily with standard tools. For best results, always cross-reference your serial number or consult a parts diagram to confirm compatibility before purchase. Investing in a quality alternator is essential for the overall health of your outboard and peace of mind during every trip.

Don’t risk being left without power—trust this reliable Mercury alternator to keep your vessel’s electrical system strong and steady, mile after mile.

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