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Most Wishlisted Arco Marine Premium Replacement Alternator W/single Groove Pulley - 12v 70a [20102] Trusted Seller [E4RniBcq]

$32.99 $105.99 -69%

ARCO Marine Premium Replacement AlternatorIntroducing the ARCO Marine Premium Replacement Alternator with Single Groove Pulley, a top-tier solution for your marine electrical needs. This 12V 70A alternator is designed to provide exceptional performan

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Most Wishlisted Arco Marine Premium Replacement Alternator W/single Groove Pulley - 12v 70a [20102] Trusted Seller [E4RniBcq]

ARCO Marine Premium Replacement Alternator

Introducing the ARCO Marine Premium Replacement Alternator with Single Groove Pulley, a top-tier solution for your marine electrical needs. This 12V 70A alternator is designed to provide exceptional performance and reliability, ensuring a seamless power supply for your boat's electrical systems. With its self-exciting capabilities and ignition protection screens, this alternator is built to withstand harsh marine conditions and deliver consistent power output.

Key Product Specifications

This premium alternator comes equipped with a range of features that set it apart from the competition. It includes an internal regulator for optimal voltage regulation, a negative ground configuration, and a 1-wire connection for easy installation. The 2-inch mounting foot ensures secure installation, while the single groove pulley is included for compatibility with various boat engines. Here are some of the key specifications:
  • Amperage: 70A
  • Voltage: 12V
  • Box Dimensions: 8"H x 8"W x 9"L, Weight: 12 lbs

Applications and Benefits

Whether you're a boating enthusiast or a professional mariner, the ARCO Marine Premium Replacement Alternator is an essential component for your vessel. This alternator is compatible with a wide range of boat engines, including Mercruiser, BRP-OMC, and Sierra models. By replacing your outdated alternator with this high-quality unit, you can enjoy several benefits, such as improved battery charging, enhanced engine performance, and peace of mind on the water. Target audience scenarios include:
  • Boating enthusiasts looking to upgrade their boat's electrical system
  • Professional mariners requiring a reliable and durable alternator for commercial or racing applications

What Our Customers Say

January 29, 2026

Absolutely no complaints!

I'm happy with this. It is just perfect.

- Kelli U..

January 29, 2026

Absolutely no complaints!

This has made a very real improvement.

- Aurora M..

January 29, 2026

Absolutely no complaints!

I'm so pleased with this really great item.

- Lois Z..

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