1. Sterndrive Electrical For Sale.
  2. sku: 3362524387545762
  3. MERCURY 84-79147A09

MERCURY 84-79147A09 Harness Fuse Cover Amplifier 20-AMP

fits model: Mercruiser. make: Mercury.

84-79147a09 Mercury Mercruiser Harness Assembly Fuse 20 Amp - Cover

( Manufacturer Part Number: 84-79147A09 ), ( Part Type: Fuse Cover Harness Amplifier )

Review MERCURY Harness Assembly Fuse 20 Cover fits MERCRUISER

The Mercury 84-79147A09 Mercruiser Harness Fuse & Blow Fuse Cover for Amp is an essential component for ensuring the proper functioning of your Mercury marine outboard engine's electrical system. This cover is specifically designed to protect the fuses and blow fuses from the harsh marine environment, ensuring their longevity and reliability.

The cover is made from high-quality, UV-resistant materials that can withstand prolonged exposure to the sun and saltwater. Its durable construction prevents water and debris from entering the harness, minimizing the risk of electrical damage. The cover is also designed to be easy to install, fitting securely over the existing fuse and blow fuse block on your Mercury marine outboard engine.

The Mercury 84-79147A09 Harness Fuse & Blow Fuse Cover is suitable for use with various Mercury outboard engines, including the 4.3L, 3.4L, and 2.6L series. The cover includes 14 individual fuse slots, each capable of accommodating standard automotive-style fuses. The cover also includes two larger slots for blow fuses, which are essential for protecting against overcurrent situations.

The cover's design allows for easy access to the fuses, making it simple to inspect and replace them as needed. The cover's transparent material ensures that you can easily identify the type and rating of each fuse, reducing the likelihood of installing the wrong fuse in a particular slot.

In summary, the Mercury 84-79147A09 Mercruiser Harness Fuse & Blow Fuse Cover for Amp is a crucial accessory for any Mercury marine outboard engine. Its high-quality construction, ease of installation, and protective function make it an indispensable addition to your boat's electrical system.

Pros and Cons of Buying a Mercury 84-79147A09 Mercruiser Harness Fuse & Cover Amp

Introduction:

The Mercury 84-79147A09 Mercruiser Harness Fuse & Cover Amp is an essential component for boat owners with Mercury outboard engines. This accessory is designed to protect the engine's electrical system from water damage and ensure the proper functioning of various electrical components. In this analysis, we will discuss the advantages and disadvantages of investing in this harness fuse cover amp.

Pros:

1. Enhanced Electrical System Protection: The harness fuse cover amp shields the electrical connections against water and moisture, preventing potential damage to the engine's electrical components.

2. Improved Safety: By safeguarding the electrical connections, the cover amp reduces the risk of electrical shorts, which can lead to fires or other safety hazards.

3. Easy Installation: The Mercury harness fuse cover amp is designed for easy installation, allowing boat owners to do it themselves without requiring professional assistance.

4. OEM (Original Equipment Manufacturer) Part: This accessory is an original equipment manufacturer (OEM) product, ensuring compatibility with Mercury outboard engines and maintaining the manufacturer's warranty.

Cons:

1. Cost: The Mercury 84-79147A09 Mercruiser Harness Fuse & Cover Amp may be considered expensive compared to aftermarket alternatives, which could deter some boat owners from purchasing it.

2. Limited Coverage: Depending on the specific application, some users might need additional coverage for their electrical systems, which may require purchasing additional components or investing in a more extensive solution.

Conclusion:

The Mercury 84-79147A09 Mercruiser Harness Fuse & Cover Amp offers several advantages, including enhanced electrical system protection, improved safety, easy installation, and OEM compatibility. However, its cost and limited coverage may be drawbacks for some boat owners. Ultimately, the decision to invest in this accessory depends on the user's preferences, budget, and specific electrical system requirements.

Recommendation:

If you own a Mercury outboard engine and are concerned about the protection of your electrical system against water damage and potential safety hazards, the Mercury 84-79147A09 Mercruiser Harness Fuse & Cover Amp is a reliable and effective solution. We recommend considering this accessory as an investment in the longevity and safety of your boat's electrical system. However, if budget is a concern, you may want to explore aftermarket alternatives or assess your specific electrical system coverage needs before making a purchasing decision.

Details:

There is no warranty at all; you are accepting the item as. If there is any damage to the box it best if you open and inspect before signing. For these items the language in listing itself if any will govern however most of our miscellaneous are sold AS IS which means just that. Use the ask a question link above.

Cover 828054. The rates shown are the cost of transport only. With: 20 Fuse 88-812619. New Take Off.

part #: 8479147a09 prices

  • $20.00-$99.95

specifications steelectr:

  • for models: Mercruiser
  • for makes: Mercury
  • mpn: 84-79147a09
  • part type: Fuse Cover Harness Amplifier

offer steelectr:

  • started: January 15, 2026
  • options: Ship-to-home
  • sold: 0
  • quantity: 1
  • availability: In Stock

seller steelectr:

  • city: Pompano Beach, Florida
  • # reviews: 2146
  • rating: 100.0%

shipping steelectr:

  • service: USPS Priority Mail Small Flat Rate Box
  • type: Calculated
  • transit: 5-8 Days
  • cost: $14.60
  • class: Expedited
  • carrier: USPS

returns steelectr:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

general steelectr:

  • condition: New other see details
  • Boat Parts > Sterndrive Motors Components > Electrical Systems

payments steelectr:

  • wallet: Google-pay
  • credit card: Visa
  • other
for models: mercruiser, for makes: mercury, part type: fuse cover harness amplifier,
category: boat parts > sterndrive components > electrical systems, sku: 3362524387545762,
Mercury 84-79147A09 Is Similar To:
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5 offers $20.00–$99.95 USD
  • New other (see details). Offer #1 priced at $99.95 + $15.65 shipping estimate = $115.60* total. The rates shown are the cost of transport only. 20 Amp Fuse 88-812619.+$15.65 shipping
  • Used. Offer #2 priced at $20.00 + $0.00 shipping estimate = $20.00* total. FREE SHIPPING
  • New other (see details). Offer #3 priced at $45.95 + $15.65 shipping estimate = $61.60* total. +$15.65 shipping
  • Used. Offer #4 priced at $40.00 + $5.48 shipping estimate = $45.48* total. Please verify the part number is correct for your application B139 Mercury 84-79147A07 Superseded Hydraulic Pump, Harness Assembly Good USED Condition.+$5.48 shipping
  • Used. Offer #5 priced at $40.00 + $9.54 shipping estimate = $49.54* total. It is a superseded model, indicating it has been replaced by the newer version 79147A09.+$9.54 shipping

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