Boise Boat Works
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Distributor Cap and Rotor Kit for Mercruiser 5.0, 5.7, 7.4, 8.2 Engines
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Distributor Cap and Rotor Kit for Mercruiser 5.0, 5.7, 7.4, 8.2 Engines
New Distributor cap and rotor kit for Mercruiser V8 engines, certified for marine use!
Distributor Cap and Rotor Kit for Mercruiser 5.0, 5.7, 7.4, 8.2 Engines
Item #: 123400499

Distributor Cap and Rotor Kit for Mercruiser 5.0, 5.7, 7.4, 8.2 Engines

Item #: 123400499

USD 36

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Only 18 items left in stock.
Order now and get it around Sunday, September 20
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New Distributor cap and rotor kit for Mercruiser V8 engines, certified for marine use!
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What Stands Out

Engine Compatibility
Designed specifically for Mercruiser 5.0, 5.7, 7.4, and 8.2 engines, ensuring perfect fit and optimal performance.
Durable Construction
Made from high-quality materials for enhanced durability, resistance to corrosion, and long-lasting reliability in marine environments.
Improved Performance
Boosts ignition efficiency and offers smoother engine operation, addressing common performance issues faced by boat owners.

Product Details

Shop Distributor Cap and Rotor Kit for Mercruiser 5.0, 5.7, 7.4, 8.2 Engines online at a best price in Turks and Caicos. B078PNJLB7
Brand NameBoise Boat Works
Model Number43220-14068
Manufacturer Part Number43220-14068
OEM Equivalent Part Number805759Q3
ManufacturerBoise Boat Works
UPC701649132687
ColorBlack
Exterior FinishBrass
Style NameModern
Item Weight11.68 ounces (331.13 grams)
Compatible with Vehicle TypeWatercraft
Automotive Fit TypeUniversal Fit
Closure TypeTwist-On
Material TypeBrass
BrandBoise Boat Works
MaterialBrass
Vehicle Service TypeWatercraft

Who Should Buy?

Suitable For
  • Boating Enthusiasts

    Ideal for users who frequently maintain their boats' engines to ensure reliable performance and longevity.

  • DIY Mechanics

    Great for do-it-yourselfers looking to upgrade or replace their Mercruiser ignition components without professional help.

  • Seasoned Sailors

    Perfect for experienced sailors with older Mercruiser engines needing consistent maintenance to support their cruising journeys.

Not Suitable For
  • New Boat Owners

    Not suitable for new owners unfamiliar with engine maintenance, who may require professional servicing instead.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a Distributor Cap and Rotor Kit for Mercruiser engines?

    Answer: A Distributor Cap and Rotor Kit is a crucial component for Mercruiser engines, specifically the 5.0, 5.7, 7.4, and 8.2 models. The kit includes a distributor cap that houses the ignition coils and the rotor that directs the electrical signals from the ignition coil to the appropriate spark plugs. This ensures reliable ignition and optimal engine performance. Regular replacement of these parts can help maintain engine efficiency and fuel consumption, especially in high-performance boating scenarios where reliability is paramount.
  • Question: How do I know if I need to replace my Distributor Cap and Rotor?

    Answer: Signs indicating the need for a replacement include engine misfires, difficulty starting the engine, reduced power, or poor fuel efficiency. Physically inspecting the cap and rotor for cracks, carbon tracking, or corrosion is also essential. If you notice these symptoms or visual damages, replacing the kit can restore engine performance and reliability, ensuring a smooth and safe boating experience.
  • Question: What are the benefits of using a quality Distributor Cap and Rotor Kit?

    Answer: Using a high-quality Distributor Cap and Rotor Kit ensures better conductivity and longevity, preventing premature failure. Quality components can enhance spark plug performance and overall ignition efficiency, leading to improved engine response and reduced fuel consumption. This is particularly beneficial in recreational activities such as waterskiing or wakeboarding, where engine performance directly impacts the boating experience.
  • Question: Can I install the Distributor Cap and Rotor Kit myself?

    Answer: Yes, installing a Distributor Cap and Rotor Kit can be a straightforward task for those with basic mechanical skills. It involves disconnecting the battery, removing the old cap and rotor, and installing the new kit. However, following the manufacturer's instructions is crucial to ensure proper placement and avoid engine misfires. DIY installation can also save costs and give you a better understanding of your engine's ignition system.
  • Question: How often should I replace the Distributor Cap and Rotor Kit?

    Answer: It is advisable to replace the Distributor Cap and Rotor Kit every few seasons or approximately every 100 hours of engine use, depending on your boating habits and environmental conditions. Factors like saltwater exposure and frequent engine use may necessitate earlier replacements. Regular inspection can help determine the right replacement frequency and maintain optimal engine performance during your adventures on the water.
  • Question: What should I consider when buying a Distributor Cap and Rotor Kit?

    Answer: When choosing a Distributor Cap and Rotor Kit, consider compatibility with your specific Mercruiser engine model, material quality for durability, and customer reviews to gauge performance. Additionally, look for kits that offer a good warranty and support from the manufacturer. Investing in a reliable kit can prevent frequent replacements and boost your engine’s ignition efficiency, especially in demanding situations like long-distance boating.
  • Question: How does the Distributor Cap and Rotor affect engine performance?

    Answer: The Distributor Cap and Rotor directly influence engine performance by ensuring precise ignition timing. If the components are degraded, it can lead to delayed spark and inconsistent firing of the cylinders, resulting in engine misfires and decreased power. By keeping these components in good condition, you can ensure a well-running engine that performs efficiently, whether you’re cruising or engaging in high-speed activities.
  • Question: What materials are typically used in Distributor Cap and Rotor Kits?

    Answer: Quality Distributor Cap and Rotor Kits are often made from durable materials such as high-temperature resistant plastics for the cap and metal or carbon contacts for the rotor. These materials help withstand the heat and wear from engine operation, ensuring reliable performance. Choosing kits made from superior materials can contribute significantly to long-term engine health and efficiency, especially in challenging marine environments.
  • Question: Where can I buy Distributor Cap and Rotor Kit for Mercruiser 5.0, 5.7, 7.4, 8.2 Engines?

    Answer: You can purchase the Distributor Cap and Rotor Kit for Mercruiser engines from Ubuy. This platform offers a range of options tailored to your engine specifications, ensuring you find the right fit. Shopping on Ubuy provides convenient access to product features and customer reviews, helping you make an informed decision for optimal engine performance.
  • Question: Are there any common issues with Distributor Cap and Rotor Kits?

    Answer: Common issues with Distributor Cap and Rotor Kits can include moisture buildup leading to corrosion, wear and tear from sediment, and cracks from heat exposure. These problems can cause poor engine performance and reliability. Regular maintenance and timely replacement of these kits can prevent such issues, ensuring your Mercruiser engine operates smoothly throughout your boating experiences.

Boise Boat Works Cap & Rotor Kit 43220-14068 Editorial Review

The Distributor Cap and Rotor Kit for Mercruiser engines has garnered a variety of feedback from users, reflecting both satisfaction and disappointment in its performance and quality. Customers appreciate that the cap contains copper inserts instead of aluminum, which many believe enhances durability. Several users have reported smooth engine operation after installation, indicating that for certain engines, this kit serves as an effective replacement. However, there are notable concerns regarding the rotor included in the kit. While some found the parts to fit well initially, others have reported issues where the rotor did not meet their quality expectations, describing it as appearing poorly made. One user experienced significant performance issues after installation, leading to backfiring and poor acceleration—problems that were resolved only after reverting back to an OEM rotor. Overall, customer reception is mixed: many find the cap satisfactory and of decent quality, while others are wary of the rotor's reliability, leading to varied experiences when installing the kit. **

Customer Reviews & Ratings

59 customers ratings
  • 5 Star
    76%
  • 4 Star
    10%
  • 3 Star
    8%
  • 2 Star
    4%
  • 1 Star
    2%

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Pros

  • Cap features durable copper inserts.
  • Generally fits well and functions adequately on certain engines.
  • Positive impact on engine performance for some users.

Cons

  • Quality of the rotor is questioned by multiple customers.

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 36

Order now and get it around Sunday, September 20

QTY:

Only 18 items left in stock.
Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

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  • fedex
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Fastest cross-border delivery

Features & Benefits

  • Compatible with Mercruiser V8 engines with Thunderbolt I and IV Ignition systems.
  • Replaces OEM part number 805759Q3.
  • Fits many GM-based engines from the early 1980s to early 2000s.
  • Sturdy construction with brass terminals for enhanced performance.
  • Coast Guard SAE J1171 certified for safe marine use.
  • Includes essential components: cap, rotor, gaskets, and bolts.

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