SKU: SQX88OBZ46 |  Mfg. Part: 20851  | UPC: 693006011035  | 
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Arco 20851 Alternator For Mercury 135-150 Hp Engines

5 Available
Condition: New

$252.83  $341.32
ARCO Marine ARCO MARINE
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High-Performance Alternator for Mercury 135 & 150 HP Engines

Discover a reliable replacement alternator compatible with Mercury Outboard Engines ranging from 135 HP to 150 HP. This alternator operates at 12 volts with a robust 55 AMP capacity and includes a pulley for easy installation.

Performance and Reliability:

Engineered for optimal performance, this alternator is manufactured with precision and meets or exceeds OEM specifications.

Warranty Policy:

Each ARCO product is backed by a warranty against defects in materials and workmanship: a 12-month warranty for leisure use and a 90-day warranty for commercial or racing applications. Additionally, register your product on arcomarine.com within 30 days of purchase to extend your warranty by another year.

Compatible Replacements:

  • MERCURY Alternator 8M0065239
  • MERCURY Alternator 8M0057693
  • MERCURY Alternator 8M0062515

Please Note: This product may not be returned to the original point of purchase. For any issues or concerns, contact the manufacturer directly.


  • Engineered for high performance and reliability.
  • Manufactured with precision and quality craftsmanship.
  • Must meet or exceed OEM performance standards before packaging.
  • Manufacturer:
  • Model Number:
  • ASIN:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Country of Origin:
  • ARCO Marine
  • 20851
  • B0D7RH13F6
  • New
  • 8 lbs
  • 9 X 8 X 8
  • Dec 22, 2025
  • Jun 11, 2024
  • China

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Arco 20851 Alternator For Mercury 135-150 Hp Engines

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