LActrical
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High Output 120 Amp Alternator compatible with Mercruiser Stern Drive 300 320 350 370 400 440 460 454 502 GM MAG Bravo Tempest Mag Alpha TRS 5.7L 7.4L 8.2L V8 80-97
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High Output 120 Amp Alternator compatible with Mercruiser Stern Drive 300 320 350 370 400 440 460 454 502 GM MAG Bravo Tempest Mag Alpha TRS 5.7L 7.4L 8.2L V8 80-97
Premium Quality Replacement High Output Alternator for Mercruiser Stern Drives, with no warranty on imitations
High Output 120 Amp Alternator compatible with Mercruiser Stern Drive 300 320 350 370 400 440 460 454 502 GM MAG Bravo Tempest Mag Alpha TRS 5.7L 7.4L 8.2L V8 80-97
Item #: 54943898

High Output 120 Amp Alternator compatible with Mercruiser Stern Drive 300 320 350 370 400 440 460 454 502 GM MAG Bravo Tempest Mag Alpha TRS 5.7L

Item #: 54943898

NAD 4557

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*All items will import from US

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Premium Quality Replacement High Output Alternator for Mercruiser Stern Drives, with no warranty on imitations
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Output
Provides a powerful 120 amps of electrical current, ensuring reliable performance for demanding marine applications, making it ideal for high-consumption accessories on boats.
Broad Compatibility
Specifically designed for various Mercruiser models, this alternator fits a wide range of V8 engines, simplifying upgrades and replacements for boat enthusiasts.
Durable Design
Built with quality materials to withstand harsh marine environments, ensuring longevity and consistent performance during extended use in water conditions.

Product Details

Shop LActrical HIGH OUTPUT 120 AMP ALTERNATOR for Mercruiser Stern Drives 300 320 350 370 400 440 460 454 502 GM MAG BRAVO TEMPEST MAG ALPHA TRS 5.7L 7.4L 8.2L V8 80-97 at Ubuy Namibia. Get high-performance replacement alternator with warranty!

Who Should Buy?

Suitable For
  • Marine Enthusiasts

    Ideal for boat owners seeking reliable power for electronics in various marine applications.

  • Upgraded Engines

    Perfect for modified or upgraded Mercruiser engines needing additional electrical output for performance and accessories.

  • Heavy Load Operations

    Great for users who operate in demanding environments, ensuring sufficient power for extensive onboard electrical systems.

Not Suitable For
  • Low-Power Needs

    Unsuitable for users with minimal power requirements, as its high output may be overkill.

Product Description

High Output 120 Amp Alternator compatible with Mercruiser Stern Drive 300 320 350 370 400 440 460 454 502 GM MAG Bravo Tempest Mag Alpha TRS 5.7L 7.4L 8.2L V8 80-97

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What makes the High Output 120 Amp Alternator compatible with various Mercruiser engines?

    Answer: The High Output 120 Amp Alternator is specifically designed to be compatible with numerous Mercruiser Stern Drive models including 300, 320, 350, 370, 400, 440, 460, 454, and 502 GM engines. This compatibility stems from its robust design and engineering specifications tailored to meet the power and performance requirements of these specific engine models. By ensuring a precise fit and optimal electrical output, it supports the efficient operation of onboard electronics and enhances overall engine performance, making it ideal for boat enthusiasts who rely on dependable electrical systems.
  • Question: What are the benefits of upgrading to a High Output 120 Amp Alternator?

    Answer: Upgrading to a High Output 120 Amp Alternator provides several advantages such as improved electrical efficiency and the ability to meet the higher power demands of advanced onboard systems. This upgrade is particularly beneficial for vessels that use multiple accessories, such as sound systems, GPS, and lighting. The higher amperage ensures that your battery remains charged even during heavy usage, supporting longer trips without compromising on performance or reliability.
  • Question: How do I know if the High Output 120 Amp Alternator is suitable for my boat?

    Answer: To determine if the High Output 120 Amp Alternator is suitable for your boat, check your engine model and electrical requirements. This alternator is compatible with Mercruiser Stern Drive 300 to 502 GM engines. Make sure to consider the total wattage of your onboard electronics and other devices; if these exceed the output capability of your existing alternator, upgrading to this high-output option is a sensible choice. Evaluating your power needs is essential to ensure optimal performance on your outings.
  • Question: Can I install the High Output 120 Amp Alternator myself?

    Answer: Yes, you can install the High Output 120 Amp Alternator yourself if you have basic mechanical skills and understand electrical systems. The installation typically involves removing your existing alternator, connecting the new alternator’s wiring, and securing it in place. Always refer to the installation manual for step-by-step instructions specific to your engine type. If you're unfamiliar with electrical systems, consulting with a marine technician is advisable to ensure proper installation and functionality.
  • Question: What tools do I need to install the High Output 120 Amp Alternator?

    Answer: To install the High Output 120 Amp Alternator, you will need a set of basic tools including a socket set, wrenches, and pliers. A multimeter may also be helpful for testing electrical connections. Depending on your boat’s configuration, you might need additional tools like screwdrivers or a torque wrench for specific fittings. Having the right tools ensures a smoother installation process and helps in correctly securing the alternator to prevent any mechanical issues.
  • Question: What kind of maintenance does the High Output 120 Amp Alternator require?

    Answer: The High Output 120 Amp Alternator requires minimal maintenance, but regular inspections can help ensure long-lasting performance. Initially, check for loose connections and belt tension periodically. Cleaning any corrosion or debris from the terminals and ensuring proper electrical connections will enhance its efficiency. If you notice any unusual sounds or fluctuations in performance, inspecting the alternator for potential issues is imperative to avoid further complications.
  • Question: Is the High Output 120 Amp Alternator suitable for salty water environments?

    Answer: Yes, the High Output 120 Amp Alternator is suitable for salty water environments, thanks to its robust construction and protective coatings that resist corrosion. Many marine alternators are specifically designed to withstand harsh marine conditions, including humidity and saltwater exposure. Choosing a quality alternator ensures reliability and durability, making it an excellent choice for boat owners navigating coastal and oceanic waters.
  • Question: What is the output voltage of the High Output 120 Amp Alternator?

    Answer: The output voltage of the High Output 120 Amp Alternator is typically 12 volts, which is standard for most marine electrical systems. This voltage is essential for powering various onboard electronics, including navigation systems, lighting, and other accessories. Ensuring the alternator meets the voltage requirements of your specific engine setup is crucial for optimal performance and the longevity of your electrical components.
  • Question: What should I do if I experience a charging issue after installing the alternator?

    Answer: If you experience a charging issue after installing the High Output 120 Amp Alternator, first check all electrical connections to ensure they are secure and free from corrosion. Use a multimeter to test the output voltage to determine if it is functioning correctly. If the alternator appears to be working, investigate potential faults including the battery condition, wiring issues, or the belt tension. Misalignment or wear on the drive belt can also affect performance, so it's important to address these factors promptly.
  • Question: Where can I buy the High Output 120 Amp Alternator compatible with my Mercruiser?

    Answer: You can buy the High Output 120 Amp Alternator compatible with your Mercruiser from Ubuy in Namibia. Ubuy provides a wide selection of automotive products, ensuring you can find the right alternator for your specific needs. Their user-friendly platform allows for easy navigation and product comparison, making your shopping experience seamless.

LActrical Alternators Editorial Review

The LActrical HIGH OUTPUT 120 AMP ALTERNATOR is a marine-grade alternator that is SAE J1171 Certified. It is compatible with several Mercruiser stern drives such as 300, 320, 350, 370, 400, 440, 460, 454, 502 GM MAG BRAVO TEMPEST MAG ALPHA TRS 5.7L 7.4L 8.2L V8 80-97. The brushes of this alternator are sealed, which makes it more durable and long-lasting. In the FAQ section, a customer enquires why a coil keeps burning out, and the answer suggests that it could be due to a wiring short rather than an issue with the alternator. Therefore, it becomes clear that the alternator is not responsible for any burning out of the coil. Overall, the LActrical HIGH OUTPUT 120 AMP ALTERNATOR is a reliable and durable marine-grade alternator that is perfect for Mercruiser stern drives.

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Pros

  • SAE J1171 Certified
  • Sealed brushes for added durability
  • High output of 120 AMP

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NAD 4557

Order now and get it around Friday, September 04

QTY:

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Features & Benefits

  • Compatible with various Mercruiser Stern Drives models and engines
  • High Output 120Amp with 1 Groove Pulley design
  • Replaces multiple part numbers from reputed brands like Motorola, Prestolite, Mando, and Mercury Marine
  • Comes with a warranty from LActrical along with a unique sticker and serial number
  • Recommendation for optimal performance: Install a fused 4 gauge main charging wire for max current flow
  • Avoid lower output imitations for safety and better results

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