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ARCO Marine Replacement Alternator f/Mercury Engines - 135 150 HP [20851]

  • ARCO Marine Replacement Alternator f\/Mercury Engines - 135  150 HP [20851]
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$273.99 (You save $25.01)
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Product Description

Replacement Alternator for Mercury Engines - 135 & 150 HP

Replacement alternator that will fit Mercury Outboard Engines 135 HP - 150 HP, 12 Volt, 55 AMP, 4 grooves, pulley included. 


  • All alternators are engineered for performance and reliability.
  • All alternators are engineered and manufactured with precision and quality.
  • All alternators must meet or exceed OEM performance before being boxed.

Warranty Information:

When properly installed, all ARCO products are warrantied against defects in materials and workmanship for 12 months for leisure use and 90 days for commercial or racing applications. 

Add an extra year of warranty to your rotating electric ARCO product (Tilt/Trim Motors, Alternators, Outboard Starters, and Inboard Starters) when you register your product within 30 days of purchase. You can register your product by visiting 


  • MERCURY Alternator 8M0065239
  • MERCURY Alternator 8M0057693 
  • MERCURY Alternator 8M0062515
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

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