4.3L Mercruiser Exhaust Manifold & Elbow/Riser Kit. 99746A17, 807988A03
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4.3L Mercruiser Exhaust Manifold & Elbow/Riser Kit. 99746A17, 807988A03
Brand new Mercruiser Replacement Exhaust Manifold KIT for a 4.3L/262 Marine Engine with a 3 year limited warranty provided by the manufacturer. The kit includes two exhaust manifolds, two exhaust risers/elbows, and gaskets and bolts.
4.3L Mercruiser Exhaust Manifold & Elbow/Riser Kit. 99746A17, 807988A03
Item #: 22970732

4.3L Mercruiser Exhaust Manifold & Elbow/Riser Kit. 99746A17, 807988A03

Item #: 22970732

MWK 2772024

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Brand new Mercruiser Replacement Exhaust Manifold KIT for a 4.3L/262 Marine Engine with a 3 year limited warranty provided by the manufacturer. The kit includes two exhaust manifolds, two exhaust risers/elbows, and gaskets and bolts.
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What Stands Out

Durable Construction
Built with high-quality materials, this exhaust manifold and elbow/riser kit ensures long-lasting performance and resistance to corrosion, which is essential for marine environments.
Easy Installation
Designed for straightforward installation, this kit saves time and labor costs, making it accessible for both professional mechanics and DIY enthusiasts looking to upgrade their boat's performance.
Superior Performance
Enhances engine efficiency by optimizing exhaust flow, this manifold and riser kit significantly improves your boat's overall performance and fuel economy, providing a smoother and more powerful ride.

Product Details

Shop the best deals for 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit at Ubuy Malawi. Get high-quality products with fast shipping and great prices.
  • Aftermarket replacement exhaust manifold and riser kit for Mercruiser 4.3L, 262 CID marine engine
  • Kit includes 2 exhaust manifolds, 2 STD height exhaust elbows, gaskets, and bolts
  • Suitable for wet joint exhaust applications from years 1987-2002, not for dry joint configuration
  • Comes with a 3-year limited warranty provided by the manufacturer
  • Standard height exhaust elbows/risers with a 4 outlet
  • Replaces multiple part numbers for both manifold and riser

Who Should Buy?

Suitable For
  • Boating Enthusiasts

    Ideal for boat owners needing reliable exhaust components for their Mercruiser 4.3L engines, ensuring optimal performance.

  • Replacement Repairs

    Suitable for users looking to replace worn-out manifolds or elbows, improving efficiency and reducing risks of overheating.

  • Engine Upgrades

    Perfect for those upgrading their marine engine systems, providing efficient exhaust flow and higher horsepower output.

Not Suitable For
  • Inexperienced DIYers

    Not ideal for novice users unfamiliar with marine engine maintenance, as installation can be complicated and technical.

Product Description

4.3L Mercruiser Exhaust Manifold & Elbow/Riser Kit. 99746A17, 807988A03

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Mercruiser Exhaust Manifold & Elbow Riser Kit?

    Answer: The 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit is crucial for directing exhaust gases away from the engine, ensuring efficient engine operation. The manifold collects exhaust from the engine cylinders and transfers it to the riser, which then directs it through the boat’s exhaust system. This kit is designed to minimize back pressure, maximize performance, and improve fuel efficiency. In scenarios where your boat is operating under heavy loads or high RPMs, this kit helps maintain optimal engine temperatures and performance.
  • Question: What materials are used in the construction of this exhaust manifold kit?

    Answer: The Mercruiser Exhaust Manifold & Elbow Riser Kit is typically constructed from high-grade cast iron, known for its durability and resistance to corrosion. This material can withstand high temperatures and harsh marine environments, allowing for longer lifespan and reliable performance. Additionally, the kit is often coated with a protective finish to further enhance its resilience against saltwater and other corrosive elements. In practical terms, this durability means less frequent replacements and a more stable performance while cruising.
  • Question: How do I know if I need to replace my exhaust manifold?

    Answer: Signs that you may need to replace your exhaust manifold include noticeable leaks, rust, or corrosion, and a reduction in overall engine performance. If you detect unusual noises, such as a rumbling sound or excessive exhaust smoke, these could also be indicators of a failing manifold. Regular inspections, especially before boating season, can help identify these issues early. If you notice any of these symptoms, investing in the 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit can restore normal operation swiftly.
  • Question: Can I install the exhaust manifold kit myself?

    Answer: Yes, the installation of the 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit can be completed by someone with moderate mechanical skills and the right tools. The process generally involves removing the old manifold, cleaning the surfaces, and then mounting the new kit with appropriate gaskets and hardware. It's essential to follow manufacturer instructions carefully and ensure that all connections are tight to prevent leaks. However, if you're unsure or uncomfortable with DIY projects, consulting a professional can ensure proper installation and safety.
  • Question: What are the dimensions of the exhaust manifold in this kit?

    Answer: The exhaust manifold dimensions for the 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit are specifically designed to perfectly fit the 4.3L Mercruiser engine. These measurements ensure compatibility with standard mounting points and exhaust configurations. Though the specific dimensions can vary slightly by production year, this kit is engineered to replace existing manifolds without modification. Understanding these dimensions is particularly useful when planning repairs or upgrades to ensure optimal fit and function on your engine.
  • Question: Are there any special maintenance tips for this exhaust manifold kit?

    Answer: To ensure longevity and performance of the 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit, regular maintenance is recommended. This includes checking for leaks or signs of corrosion and ensuring that all connections remain secure over time. The frequency of inspections should increase with heavy use or if operating in harsh marine conditions. Additionally, flushing the cooling system can help remove debris and prevent blockages that could lead to overheating. Maintaining a clean installation area can also improve efficiency in the long run.
  • Question: What kind of performance improvements can I expect after installation?

    Answer: After installing the 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit, boat owners often notice improved engine efficiency, better fuel economy, and enhanced overall performance. The kit allows exhaust gases to exit more freely, which can lead to an increase in horsepower and torque, particularly at higher RPMs. This is especially beneficial for boaters who frequently engage in high-speed activities or pull water sports. Consequently, whether cruising or towing, your vessel may respond more quickly and efficiently.
  • Question: What engine models are compatible with this exhaust manifold kit?

    Answer: The 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit is primarily designed for use with various models of 4.3L Mercruiser engines. This includes most models produced across a broad range of years, making it a versatile choice for many boaters. However, to ensure compatibility with your specific engine model, it's advisable to cross-reference part numbers and specifications before purchasing. This diligence will help avoid installation issues and ensure that you receive the appropriate replacement for your engine's needs.
  • Question: What type of gaskets are needed with this exhaust manifold kit?

    Answer: When installing the 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit, it is essential to use high-quality gaskets to create a proper seal and prevent exhaust leaks. Typically, OEM (Original Equipment Manufacturer) gaskets are recommended to ensure the best fit and performance. These gaskets are specifically designed to handle high temperatures and pressures that are common in marine environments. Ensuring the use of the right gaskets can help maintain engine performance and reduce the risk of issues caused by leaks.
  • Question: Where can I buy the 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit?

    Answer: You can purchase the 4.3L Mercruiser Exhaust Manifold & Elbow Riser Kit (parts 99746A17 and 807988A03) conveniently on Ubuy in Malawi. Ubuy offers a reliable platform for various marine parts, allowing customers to find the exact components they need for their boats. Through Ubuy, you gain access to detailed product information, user reviews, and efficient navigation, making it easier to choose the right kit for your requirements.

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Pros

  • Durable construction
  • Improved exhaust flow
  • Easy installation process
  • Compatible with multiple engines
  • Great performance enhancement

Cons

  • Some users reported minor fit issues.

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MWK 2772024

Order now and get it around Friday, August 28

QTY:

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Features & Benefits

  • For use with wet joint exhaust applications (years 1987-2002)
  • Standard height exhaust elbows/risers which have a 4 outlet
  • Replaces Mercruiser 99746A17 manifolds and 807988A03 elbows
  • Aftermarket Replacement, leak tested to ensure quality
  • Kit includes two manifold gaskets, two riser gaskets, and hardware to install manifolds and risers

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