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Zoom Zoom Parts Replacement Inboard Ignition Coil For MerCruiser Thunderbolt IV and V Ignition Systems with HEI - Replaces 18-5438, 392-805570A2, 392-7803A4, 392-805570A1, 72115, 40511
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Zoom Zoom Parts Replacement Inboard Ignition Coil For MerCruiser Thunderbolt IV and V Ignition Systems with HEI - Replaces 18-5438, 392-805570A2, 392-7803A4, 392-805570A1, 72115, 40511
This weather-resistant ignition coil is engineered to enhance the performance of Mercruiser GM V‑6 and V‑8 petrol engines.
Zoom Zoom Parts Replacement Inboard Ignition Coil For MerCruiser Thunderbolt IV and V Ignition Systems with HEI - Replaces 18-5438, 392-805570A2, 392-7803A4, 392-805570A1, 72115, 40511
Item #: 131455146

Zoom Zoom Parts Replacement Inboard Ignition Coil For MerCruiser Thunderbolt IV and V Ignition Systems with HEI - Replaces 18-5438, 392-805570A2,

Item #: 131455146

KYD 46

Price Details

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*All items will import from US

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Order now and get it around Tuesday, June 30
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This weather-resistant ignition coil is engineered to enhance the performance of Mercruiser GM V‑6 and V‑8 petrol engines.
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What Stands Out

Direct Replacement
Designed as a direct replacement for specific MerCruiser ignition systems, ensuring compatibility and easy installation without modifications for optimal performance.
High Efficiency
Built with advanced technology to improve ignition efficiency, resulting in better engine performance, reduced fuel consumption, and lower emissions for environmentally-conscious users.
Durable Construction
Constructed from high-quality materials to withstand harsh marine conditions, enhancing longevity and reducing the need for frequent replacements, providing excellent value to boat owners.

Product Details

Shop Zoom Zoom Parts Replacement Inboard Ignition Coil For MerCruiser Thunderbolt IV and V Ignition Systems with HEI - Replaces 18-5438, 392-805570A2, 392-7803A4, 392-805570A1, 72115, 40511 online at a best price in Cayman Islands. B08LNX8DBG
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • Boat Owners

    Ideal for MerCruiser boat owners needing reliable ignition coil replacements for Thunderbolt IV and V systems.

  • Mechanics

    Perfect for mechanics who service MerCruiser engines, offering high-quality and compatible ignition coil replacements.

  • DIY Enthusiasts

    Great for DIY mechanics looking to replace ignition coils with an easy-to-install and affordable option.

Not Suitable For
  • Non-MerCruiser Users

    Not suitable for users with non-MerCruiser engines as compatibility is specifically for certain Thunderbolt systems.

  • Budget Shoppers

    May not appeal to shoppers solely seeking extremely low-cost parts without regard for quality or reliability.

  • Professional Racers

    Not ideal for professional racing applications where high-performance ignition systems are crucial and preferred.

Product Description

Zoom Zoom Parts Replacement Inboard Ignition Coil For MerCruiser Thunderbolt IV and V Ignition Systems with HEI - Replaces 18-5438, 392-805570A2, 392-7803A4, 392-805570A1, 72115, 40511

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the Replacement Inboard Ignition Coil compatible with?

    Answer: The Replacement Inboard Ignition Coil is specifically designed for MerCruiser Thunderbolt IV and V Ignition Systems featuring High Energy Ignition (HEI). This ensures it works seamlessly with these types of systems, enhancing overall engine performance and reliability.
  • Question: What does the part number '18-5438' refer to?

    Answer: The part number '18-5438' refers to a specific Replacement Inboard Ignition Coil model that is compatible with MerCruiser's Thunderbolt IV and V ignition systems. Using the correct part number is crucial to ensure a perfect fit and optimal function of your ignition system.
  • Question: How do I install the Replacement Inboard Ignition Coil?

    Answer: Installation of the Replacement Inboard Ignition Coil typically involves disconnecting the battery and removing the old ignition coil. The new coil can then be mounted in place of the old one, connecting the wires securely. Refer to your engine's manual for detailed instructions to ensure proper installation.
  • Question: What symptoms indicate I need a new ignition coil?

    Answer: Common symptoms that suggest you might need a new ignition coil include engine misfires, difficulty starting the engine, or poor acceleration. If you notice a decrease in engine performance or hear unusual sounds, it may be time to consider replacing the ignition coil to restore proper functionality.
  • Question: Can I use this ignition coil on other engine models?

    Answer: This Replacement Inboard Ignition Coil is specifically tailored for MerCruiser Thunderbolt IV and V ignition systems. While it may appear similar to coils from other manufacturers, it’s essential to use the right component for your model to ensure compatibility and avoid engine issues.
  • Question: How does this ignition coil improve engine performance?

    Answer: The Replacement Inboard Ignition Coil contributes to improved engine performance by providing reliable and consistent sparks needed for combustion. By replacing an old or faulty coil, you can enhance fuel efficiency and emissions, leading to smoother engine operation and better overall power.
  • Question: What do the numbers '392-805570A2' and '392-7803A4' signify?

    Answer: The numbers '392-805570A2' and '392-7803A4' are additional part numbers that signify alternative versions or models of the Replacement Inboard Ignition Coil compatible with specific MerCruiser engines. All these numbers represent components designed to meet the same specifications and performance expectations.
  • Question: Is a specific tool required for installation?

    Answer: To install the Replacement Inboard Ignition Coil, basic tools such as a socket set, screwdrivers, and possibly wire crimpers are generally required. Having the right tools on hand makes the installation process smoother and helps ensure that everything is secured properly for optimal performance.
  • Question: Can I buy this ignition coil in Cayman Islands?

    Answer: Yes, you can buy the Replacement Inboard Ignition Coil for MerCruiser Thunderbolt IV and V Ignition Systems in Cayman Islands through Ubuy. They offer a variety of auto parts, ensuring you can find the exact product needed for your ignition system.
  • Question: What sets this ignition coil apart from others?

    Answer: This Replacement Inboard Ignition Coil is notable for its high-quality construction and compatibility with MerCruiser Thunderbolt IV and V systems. Using high-grade materials and technological advancements allows this coil to provide reliable ignition performance, making it a preferred choice among boat owners.

ZoomZoomParts Coils Editorial Review

The Replacement Inboard Ignition Coil for MerCruiser Thunderbolt IV and V systems has garnered positive feedback from users, particularly those working with older Mercury Cruiser models. Reviewers have noted the product’s effectiveness in restoring performance, particularly in 1987 MerCruiser models, leading to smoother and better engine operation. Customers express satisfaction with the convenience of finding a reliable supplier online, demonstrating appreciation for easy access to essential marine components. Users specifically highlighted the ease of installation and the coil's compatibility with the Thunderbolt ignition systems, suggesting that this replacement part met or exceeded their expectations. The common sentiment is one of relief and satisfaction, as the coil effectively resolved issues stemming from a faulty ignition coil, allowing boats to perform optimally again. Overall, this ignition coil has proven to be a dependable solution for those needing to repair or replace components in their inboard systems. **

Customer Reviews & Ratings

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Pros

  • Effective replacement for older MerCruiser models
  • Restores engine performance
  • Easy installation
  • Good compatibility with Thunderbolt ignition systems
  • Convenient access through online suppliers

Cons

  • Limited feedback on long-term durability (not explicitly mentioned in reviews)

Product Price History

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.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

KYD 46

Order now and get it around Tuesday, June 30

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

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  • fedex
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Fastest cross-border delivery

Features & Benefits

  • Designed for Mercruiser GM V‑6 & V‑8 engines with Thunderbolt IV & V ignition.
  • Compatible with multiple engine models including 4.3L V6 and 8.2L V8.
  • Replaces various part numbers from Sierra, Mercury, GLM, and more.
  • Weather-resistant to withstand harsh outdoor conditions.
  • Requires general knowledge and tools for installation; professional installation recommended.
  • Proudly made by a Michigan-based company.