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GLADIATOR 21453 Volt Mercury Marine Outboard Amplifier 55-AMP Alternator 150HP 55ALTERNATOR

21453 Gladiator New 12 Volt 55 Amp Alternator Compatible With Mercury Marine Outboard 150hp 2012

( Brand: Gladiator ), ( Part Type: Amplifier ), ( Manufacturer Part Number: 21453 ), ( Package Dimensions Lxwxh: 8.5x6.5x6.0 Inches ), ( Weight: 9.0 Pounds )

Review GLADIATOR New Volt 55alternator Compatible Mercury Marine Outboard 150hp

The Mercury Marine Gladiator 21453 12-Volt 55-Amp Alternator is a high-performance accessory designed specifically for use with outboard motors, particularly those producing up to 150 horsepower. This alternator, manufactured in 2012, runs on a 12-volt electrical system and boasts an impressive output of 55 amps.

This alternator is engineered to deliver a reliable and consistent power source to your outboard motor and onboard electrical systems. With its robust design and durable construction, it can effectively charge your batteries even while under heavy load, ensuring your boat is always ready for action.

Measuring approximately 11.8 inches long, 6.3 inches wide, and 5 inches high, this alternator is compact enough to fit most outboard motor applications. It features a three-phase design, which ensures smooth and efficient power conversion from the mechanical to electrical energy.

The Gladiator 21453 alternator is built with a heavy-duty diode rectifier, ensuring a long service life and effective battery charging. It also features a regulator that maintains a stable voltage output, preventing damage to your batteries and ensuring optimal performance of your electrical systems.

Installation of this alternator is straightforward, thanks to its bolt-on design and clear mounting instructions. It comes with a wiring harness and mounting hardware, making the installation process quick and hassle-free.

The Mercury Marine Gladiator 21453 12-Volt 55-Amp Alternator is a reliable and powerful solution for boaters seeking to keep their electrical systems charged and ready for use. Its rugged construction, efficient design, and easy installation make it an excellent choice for outboard motors producing up to 150 horsepower.

Pros and Cons of Buying a Mercury Marine 150HP 12V 55Amp Alternator (Gladiator 21453)

1. Pros:

a. High Output: This alternator delivers a substantial amount of power, making it suitable for outboard engines that require a lot of electrical power, such as those with multiple accessories or advanced electronics.

b. 12V System: The 12-volt system is widely used in marine applications, ensuring compatibility with most boats' electrical systems.

c. Reliable: Mercury Marine is a reputable brand known for producing reliable and durable marine parts. This alternator is expected to provide long-lasting performance.

d. Easy Installation: The alternator comes with a pre-wired harness, simplifying the installation process.

2. Cons:

a. Price: This alternator is more expensive than some other options in the market, which could be a disadvantage for budget-conscious buyers.

b. Size and Weight: Being a high-output alternator, it is larger and heavier than standard alternators, which could impact the overall weight and balance of the boat.

3. Conclusion:

The Mercury Marine 150HP 12V 55Amp Alternator (Gladiator 21453) offers a high output, reliability, and easy installation, making it an excellent choice for boat owners with demanding electrical systems. However, its higher price tag and increased size and weight are potential drawbacks.

4. Recommendation:

If you have a larger outboard engine with multiple accessories or advanced electronics, the Mercury Marine 150HP 12V 55Amp Alternator (Gladiator 21453) is worth considering due to its high power output and reliability. However, if you have a smaller boat or a lower budget, you may want to explore alternative, more affordable options. Always ensure that the alternator you choose is compatible with your boat's electrical system and meets your specific power requirements.

Details:

100% Computer Load Tested for Reliability.

part #: 21453 price

  • $213.99

specifications vehielectro:

  • brand: Gladiator
  • part type: Amplifier
  • manufacturer part number: 21453
  • package dimensions lxwxh: 8.5x6.5x6.0 Inches
  • weight: 9.0 Pounds

general vehielectro:

  • Consumer Electronics > Vehicle Electronics GPS > Other Vehicle Electronics
  • condition: New

seller vehielectro:

  • rating: 100.0%
  • # reviews: 883
  • city: Brentwood, New York

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offer vehielectro:

  • started: June 12, 2025
  • quantity: 1
  • sold: 0
  • availability: In Stock

returns vehielectro:

  • paid by: Seller
  • policy: Returns Accepted
  • method: Money back
  • time: 30 Days

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part type: amplifier, package dimensions lxwxh: 8.5x6.5x6.0 inches,
category: electronics > vehicle electronics gps > vehicle electronics, weight: 9.0 pounds, sku: 4042030557346641,

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