20851 - Arco Marine Alternator for Mercury 135-150 HP Engines | Aztek Computers
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SKU: SQX88OBZ46 |  Mfg. Part: 20851  | UPC: 693006011035  |  0 Reviews  |     Share

20851 - Arco Marine Alternator for Mercury 135-150 HP Engines

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$261.16  $352.57
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Product Overview

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.

Expert Overview

The ARCO Marine Alternator, part number 20851, is a replacement component designed for Mercury Outboard Engines with horsepower ratings between 135 HP and 150 HP. This unit provides 12-volt operation with a 55 AMP output, suitable for maintaining electrical systems in compatible marine applications. It comes equipped with a pulley to facilitate direct installation. The alternator is engineered to meet or exceed OEM specifications, ensuring a reliable fit and function for IT hardware resellers supporting marine service operations or businesses requiring robust replacement parts for their Mercury outboard fleets. This product addresses the need for a dependable power generation component in marine engines, offering a direct replacement for specific Mercury alternator part numbers.

Technical Specifications

  • Engineered for high performance and reliability.
  • Manufactured with precision and quality craftsmanship.
  • Must meet or exceed OEM performance standards before packaging.

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Country of Origin:
  • ARCO Marine
  • 20851
  • B0D7RH13F6
  • 693006011035
  • New
  • 8 lbs
  • 9 X 8 X 8
  • Sep 02, 2026
  • Jun 11, 2024
  • China
Product Identifiers: Brand: Arco Marine • Part #: 20851 • UPC: 693006011035 • ASIN: B0D7RH13F6

Frequently Asked Questions

Which Mercury engines is this alternator compatible with?

This alternator is compatible with Mercury Outboard Engines ranging from 135 HP to 150 HP. It replaces Mercury Alternator part numbers 8M0065239, 8M0057693, and 8M0062515.

What are the electrical specifications of this alternator?

The alternator operates at 12 volts and has a capacity of 55 AMPS. It is engineered to meet or exceed OEM performance standards.

What is included with the alternator?

The alternator includes a pulley for installation. No other accessories are specified as included.

What is the warranty policy for this ARCO Marine Alternator?

ARCO Marine provides a 12-month warranty for leisure use and a 90-day warranty for commercial or racing applications. Registering the product on arcomarine.com within 30 days of purchase extends the warranty by an additional year.

20851 - Arco Marine Alternator for Mercury 135-150 HP Engines

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$261.16