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Arco JSA517 Jack Shaft Assembly 9-Tooth Drive for Marine Starter

Manufacturer

Arco Starting & Charging

<h3>Nearly Six Decades of Marine Electrical Excellence</h3><p>ARCO Starting & Charging has been the trusted name in marine electrical components for nearly 60 years, setting the gold standard for OEM-quality replacement parts. Operating from their Florida facility, ARCO manufactures, tests, and warehouses every component in the USA, ensuring rigorous quality control before any part leaves their 100,000-square-foot production center. What sets ARCO apart from competitors is their commitment to testing every unit beyond normal operating conditions, using state-of-the-art computerized assembly lines and automated digital load testers to verify performance specifications.</p><p>The company's dedication to proven dependability has earned them a reputation among marine mechanics, boat owners, and commercial operators who demand reliability in challenging saltwater environments. ARCO products consistently meet or exceed OEM specifications, backed by their comprehensive warranty program that demonstrates confidence in their manufacturing processes. Their engineering team comprises industry veterans with decades of experience in rotating electrical components, providing technical expertise that translates into innovative product solutions.</p><h3>Comprehensive Marine Starting & Charging Solutions</h3><p>ARCO's product lineup addresses every aspect of marine electrical systems. Their <a href="/7236-arco-starting-charging-tilttrim-motors-201071">tilt/trim motors</a> deliver precise control for outboard and stern drive positioning, featuring corrosion-resistant construction and reliable performance in harsh marine conditions. The company's <a href="/7236-arco-starting-charging-starters-inboard-201008">inboard starters</a> and <a href="/7236-arco-starting-charging-starters-outboard-201009">outboard starters</a> utilize high-performance permanent magnet gear reduction technology, ensuring powerful cranking even in cold-start situations. Whether you're maintaining a fishing boat, pleasure craft, or commercial vessel, ARCO's extensive application catalog covers major engine manufacturers including Mercury, Yamaha, Volvo Penta, MerCruiser, and OMC.</p><p>Beyond their traditional marine engine components, ARCO has expanded into high-energy charging solutions through their Zeus product line, which includes high-output alternators in 12V, 24V, and 48V configurations, along with Bluetooth-enabled voltage regulators. This innovation addresses the growing electrical demands of modern boats equipped with electronics, navigation systems, and house battery banks. ARCO's commitment to manufacturing in America means faster availability, with over six months of inventory typically in stock, and direct technical support from the engineers who design and build their products.</p>

Part Number

JSA517
07/13/2036 2:16 AM
Sale Price

$103.00

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Product Details

The Arco JSA517 is an original equipment quality replacement jack shaft assembly designed for marine outboard starter applications. This precision-engineered drive gear assembly features a durable 9-tooth drive configuration that ensures reliable engagement and performance in demanding marine environments.

Key Features:

  • 9-tooth drive gear design for optimal starter engagement
  • Direct replacement for BRP-OMC part number 434517
  • Compatible with Arco starter models 5363 and 5399
  • Manufactured to exceed OE specifications for enhanced durability
  • Factory tested prior to shipment for quality assurance

Arco Marine, established in 1960 and based in Pensacola, Florida, is a trusted manufacturer of electrical components for marine engines. Each jack shaft assembly is over-engineered to exceed original equipment standards and undergoes rigorous testing to ensure premium quality and reliability.

Replaces OEM Part Number: BRP-OMC 434517

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