1. Boat Parts In Otsterndriv Sterndrive Prices For Sale.
  2. sku: 3997030344173772
  3. MERCURY 2986A22

MERCURY 2986A22 Switchbox Spark Thunderbolt 85HP

fits model: 850, Mercruiser. make: Mercury.

2986a22 Mercury 850 Mercruiser 85hp Switchbox Tested Strong Spark Thunderbolt

( Manufacturer Part Number: 2986A22 ), ( Part Type: Spark ), ( Warranty: 30 Day )

Review MERCURY 85hp Switchbox Tested Strong Spark Thunderbolt fits MERCRUISER 850

The Mercury 2986A22 Switchbox is an essential component for operating the ignition system and accessory power on 850 Mercruiser engines with an 85hp output. This switchbox, manufactured by Mercury Marine, is meticulously designed to ensure reliable and efficient operation of your watercraft's electrical systems.

The Mercury 2986A22 Switchbox is a Thunderbolt Series model, which signifies its compatibility with high-performance applications. It features a compact, weather-resistant design that can withstand the harsh marine environment. The switchbox is constructed using marine-grade materials, such as corrosion-resistant switches and connectors, to ensure its longevity and durability.

The Mercury 2986A22 Switchbox includes a variety of circuits to accommodate various electrical needs. These circuits include a starting circuit for cranking the engine, a battery charging circuit for maintaining the battery, a trolling circuit for operating the motor at low speeds, and a number of accessory circuits for powering items like lights, pumps, and bilge blowers. Additionally, this switchbox comes with a spark circuit, which ensures a reliable ignition system and contributes to the efficient combustion process.

The switches on the Mercury 2986A22 Switchbox are designed to be easy to use, even in the most challenging conditions. Each switch has a clear label indicating its function, making it simple to identify and activate the desired circuit. The switches are also rated for heavy-duty use, ensuring they can handle the demands of your watercraft's electrical systems.

The Mercury 2986A22 Switchbox is designed to be a direct replacement for the factory switchbox on 850 Mercruiser engines. It is easy to install, with clear instructions provided in the user manual. The switchbox can be securely mounted using the provided mounting hardware, ensuring a stable and vibration-free installation.

In summary, the Mercury 2986A22 Switchbox is a high-quality, compact, and reliable component that is essential for the electrical systems of your 850 Mercruiser engine. Its durable construction, easy-to-use switches, and compatibility with various circuits make it an indispensable addition to your watercraft.

Mercury 2986A22 850 Mercruiser 85hp Switchbox Spark Thunderbolt: A Comprehensive Analysis

Introduction:

The Mercury 2986A22 850 Mercruiser 85hp Switchbox Spark Thunderbolt is an essential component for the operation of Mercury outboard engines. This switchbox allows users to control various engine functions, such as ignition, fuel, and accessory circuits, with ease. In this analysis, we will discuss the pros and cons of purchasing this switchbox.

Pros:

1. Easy to Install: The Mercury 2986A22 switchbox is a direct replacement for previous models, making installation relatively straightforward. The clear wiring diagram included in the packaging ensures a hassle-free installation process.

2. Durable Construction: This switchbox is built with high-quality materials and is designed to withstand the harsh marine environment. The waterproof design protects the internal components from water damage.

3. Improved Functionality: The Mercury 2986A22 switchbox provides improved functionality compared to its predecessors. It offers more circuit options, making it suitable for a wider range of applications.

4. Enhanced Safety: The switchbox's spark protection feature is a significant safety improvement. It prevents accidental engine startups, reducing the risk of injury or damage to the engine.

5. Compact Size: The Mercury 2986A22 switchbox is compact, allowing for easy installation in tight spaces.

Cons:

1. Expensive: This switchbox is more expensive than some of its competitors. However, the improved functionality and durability may justify the higher price tag for some users.

2. Limited Compatibility: This switchbox is designed specifically for Mercury outboard engines. It may not be compatible with other brands or models, limiting its versatility.

3. Complex Wiring: The wiring system of the Mercury 2986A22 switchbox can be complex, making it challenging for some users to understand and install correctly.

Conclusion:

The Mercury 2986A22 850 Mercruiser 85hp Switchbox Spark Thunderbolt is a high-quality component that offers improved functionality, durability, and safety features compared to its predecessors. Although it is more expensive than some competitors and may have a complex wiring system, the benefits it provides make it a worthwhile investment for users of Mercury outboard engines.

Recommendation:

If you are a Mercury outboard engine user looking for a reliable and durable switchbox, the Mercury 2986A22 850 Mercruiser 85hp Switchbox Spark Thunderbolt is a solid choice. Its easy installation process, improved functionality, enhanced safety features, and compact size make it an excellent investment for your marine application. However, be prepared for a more complex wiring system and a higher price tag compared to some competitors.

Details:

Has a few pieces of the plastic pads that have chipped off but does not affect performance. Weights and dimensions are entered for each item. 100% of the time. Less than 1/2 price offers are a waste of our time.

FREE shipping is NEVER really. Carefully review each and every photo as they best describe the condition of item what is all included in this listing. If something isn't photo'd or mentioned here in the then it is NOT included. Set your search to Price Shipping Lowest First if you want really find the best deal.

This allows you to see the price, pick your method and gives best chance of getting it shipped same day. Shipping is not negotiable. If a part doesn't work for you any reason let us know. Mercury 850 Mercruiser 85hp 2986A22 Switchbox Tested Strong Spark Thunderbolt, Used part but was tested after removal from motor and has good strong spark.

30 day warranty. EXPEDITED SHIPPING Need it faster. Have a question. We entertain reasonable offers.

part #: 2986a22 prices

  • $149.95-$495.48

specifications otsterndriv:

  • for models: 850, Mercruiser
  • for makes: Mercury
  • mpn: 2986a22
  • part type: Spark
  • warranty: 30 Day

general otsterndriv:

  • condition: Used
  • Boat Parts > Sterndrive Motors Components > Other

payments otsterndriv:

  • wallet: Paypal
  • other
  • credit card: Discover

offer otsterndriv:

  • quantity: 1
  • availability: In Stock
  • started: September 8, 2025
  • best offers: True
  • options: Ship-to-home
  • sold: 0

seller otsterndriv:

  • rating: 99.9%
  • # reviews: 29200
  • city: Plainwell, Michigan

returns otsterndriv:

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

shipping otsterndriv:

  • carrier: USPS, UPS
  • transit: 2-4 Days
  • type: Calculated
  • cost: $14.35
  • service: USPS Ground Advantage, UPS Ground, USPS Priority Mail
  • class: Standard, Expedited
for models: 850, mercruiser, for makes: mercury, part type: spark, warranty: 30 day,
category: boat parts > sterndrive components, sku: 3997030344173772,
Mercury 2986A22 Is Similar To:
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5 offers $149.95–$495.48 USD
  • Used. Offer #1 priced at $149.95 + $16.40 shipping estimate = $166.35* total. If a part doesn't work for you for any reason let us know.+$16.40 shipping
  • New other (see details). Offer #2 priced at $350.00 + $0.00 shipping estimate = $350.00* total. 325 MIE GM 427 V-8 1968-1974 - 2278747 THRU 3780449. 350 MIE GM 454 V-8 1974-1976 - 3780450 THRU 4623109.FREE SHIPPING
  • New. Offer #3 priced at $495.48 + $0.00 shipping estimate = $495.48* total. 6 CYL 2.875 BORE CROSS FLOW 140 HP 1978-1979. 4 CYL 2.875 BORE CROSS FLOW 85 HP 1973-1975.FREE SHIPPING
  • New. Offer #4 priced at $495.48 + $0.00 shipping estimate = $495.48* total. FREE SHIPPING
  • Used. Offer #5 priced at $274.95 + $16.40 shipping estimate = $291.35* total. 30 day warranty. Used part but was tested after removal from motor and has good strong spark.+$16.40 shipping

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