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RPS Two Cast Iron Exhaust Manifolds Compatible with Mercruiser 4.3 V6 Engines 1983-2002, Replaces Part Numbers 99745, 99746, 99746A8, 99746A17
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RPS Two Cast Iron Exhaust Manifolds Compatible with Mercruiser 4.3 V6 Engines 1983-2002, Replaces Part Numbers 99745, 99746, 99746A8, 99746A17
Upgrade your Mercruiser 4.3 V6 engine with our durable cast iron exhaust manifolds, compatible from the mid 1980s to 2002.
RPS Two Cast Iron Exhaust Manifolds Compatible with Mercruiser 4.3 V6 Engines 1983-2002, Replaces Part Numbers 99745, 99746, 99746A8, 99746A17
RPS

Item #: 139964305

RPS Two Cast Iron Exhaust Manifolds Compatible with Mercruiser 4.3 V6 Engines 1983-2002, Replaces Part Numbers 99745, 99746, 99746A8, 99746A17

Item #: 139964305

GBP 414

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Upgrade your Mercruiser 4.3 V6 engine with our durable cast iron exhaust manifolds, compatible from the mid 1980s to 2002.
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What Stands Out

Premium Material
Constructed from durable cast iron, these manifolds ensure longevity and excellent heat resistance, outperforming standard materials for reliable performance in Mercruiser 4.3 V6 engines.
Direct Compatibility
Designed specifically for Mercruiser 4.3 V6 engines from 1983 to 2002, offering a seamless replacement experience with part numbers 99745, 99746, 99746A8, and 99746A17.
Performance Upgrade
Enhances engine efficiency and exhaust flow, optimizing power output and fuel efficiency, making it a superior choice compared to stock manifolds.

Product Details

Shop RPS Two Cast Iron Exhaust Manifolds Compatible with Mercruiser 4.3 V6 Engines 1983-2002, Replaces Part Numbers 99745, 99746, 99746A8, 99746A17 online at a best price in Guernsey. B09MV1KMWR

Who Should Buy?

Suitable For
  • Boat Owners

    Ideal for those owning Mercruiser 4.3 V6 engines needing reliable and durable exhaust manifolds for operational efficiency.

  • Mechanics

    Perfect for mechanics looking for high-quality replacement parts to ensure optimal performance in aging marine engines.

  • DIY Enthusiasts

    Great for DIY enthusiasts working on marine engines, offering a straightforward installation process with durable materials.

Not Suitable For
  • Small Powerboats

    Not suitable for small powerboats with engines other than Mercruiser 4.3 V6, which may require different manifold designs.

Product Description

RPS Two Cast Iron Exhaust Manifolds Compatible with Mercruiser 4.3 V6 Engines 1983-2002, Replaces Part Numbers 99745, 99746, 99746A8, 99746A17

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the benefits of using RPS Two Cast Iron Exhaust Manifolds?

    Answer: RPS Two Cast Iron Exhaust Manifolds are engineered for enhanced durability and performance in Mercruiser 4.3 V6 Engines. Cast iron construction offers superior heat resistance and longevity, making them ideal for marine applications. They ensure optimal exhaust flow, which can lead to improved engine performance and efficiency over time. For users operating their vessels in challenging conditions, investing in these manifolds can provide peace of mind knowing they can handle higher stress and heat levels without compromising functionality.
  • Question: Are these exhaust manifolds compatible with all Mercruiser 4.3 V6 Engines?

    Answer: Yes, the RPS Two Cast Iron Exhaust Manifolds are specifically designed to be compatible with Mercruiser 4.3 V6 Engines produced between 1983 and 2002. They replace various part numbers including 99745, 99746, 99746A8, and 99746A17, ensuring a seamless fit for those specific engine models. This compatibility means you can upgrade or replace your existing manifolds without needing extensive modifications, making your installation process straightforward while maintaining engine integrity.
  • Question: How do I install RPS Two Cast Iron Exhaust Manifolds?

    Answer: Installation of RPS Two Cast Iron Exhaust Manifolds requires basic mechanical skills. First, ensure your engine is completely cooled down. Remove the existing manifold by detaching the bolts and exhaust components. Clean the surface to eliminate old gasket material. Position the new RPS manifolds correctly and secure them with bolts as per the manufacturer’s specifications. Make sure all connections are sealed properly to prevent any exhaust leaks. It’s beneficial to refer to the engine's manual for specific instructions, or consult a marine mechanic if you're unfamiliar with the process.
  • Question: What do I need to consider when replacing exhaust manifolds?

    Answer: When replacing exhaust manifolds, consider factors such as compatibility with your engine model, the material of the manifolds, and the overall condition of your engine. Ensure that the new RPS Two Cast Iron Exhaust Manifolds are compatible with your specific Mercruiser 4.3 V6 Engine model. Inspect other related components like gaskets and seals for wear, as they may also need replacement to ensure optimal performance. Additionally, assess any routing of exhaust pipes to ensure that there are no obstructions that could hinder exhaust flow.
  • Question: What maintenance is required for the RPS Two Cast Iron Exhaust Manifolds?

    Answer: To maintain RPS Two Cast Iron Exhaust Manifolds, regular inspections for cracks, corrosion, or any exhaust leaks are essential. Since they are cast iron, they may require periodic cleaning to prevent rust build-up, especially in salty marine environments. Inspecting the fittings and gaskets should be part of your seasonal maintenance checks to ensure they are in good order. Keeping an eye on the engine temperature and performance can also help you identify any issues early on, ensuring longevity and reliable performance.
  • Question: What performance improvements can I expect with RPS Two Cast Iron Exhaust Manifolds?

    Answer: Upgrading to RPS Two Cast Iron Exhaust Manifolds can lead to notable improvements in engine performance. The manifolds are designed to optimize exhaust flow, which can increase engine efficiency, potentially enhancing overall horsepower. These benefits can be particularly advantageous for boaters looking to achieve better acceleration and higher speeds on the water. Regular use in tasks like towing or rapid cruising might also feel smoother as the improved exhaust system helps in achieving a more responsive throttle.
  • Question: Are there any special tools needed for the installation?

    Answer: Installing RPS Two Cast Iron Exhaust Manifolds generally requires standard automotive tools such as a socket set, wrenches, and a torque wrench for proper bolt tightening. You may also need gasket scrapers and sealant for surface preparation. If you're unfamiliar with exhaust system installations, having a basic mechanical toolset handy, along with access to a service manual, will make the process smoother. It's always advisable to have tools ready to tackle unexpected issues during installation.
  • Question: Can I buy RPS Two Cast Iron Exhaust Manifolds directly online?

    Answer: Yes, you can conveniently purchase RPS Two Cast Iron Exhaust Manifolds compatible with Mercruiser 4.3 V6 Engines online. For those in Guernsey, Ubuy is a reliable platform where you can find these manifolds available for order. Ubuy offers a simple and user-friendly shopping experience, making the purchase process straightforward. You can explore product details, reviews, and availability, ensuring you make a well-informed decision for your marine engine needs.
  • Question: What should I do if I encounter an issue with my new manifolds?

    Answer: If you experience issues with your RPS Two Cast Iron Exhaust Manifolds, start by checking for proper installation and any signs of leaks or cracks. Inspect all connections and fittings to ensure they are secure and correctly sealed. If problems persist, it’s wise to consult a marine technician familiar with Mercruiser engines. Sharing your observations about performance changes might help the technician diagnose any underlying issues effectively. A proactive approach can lead to quicker resolutions and increased performance.
  • Question: How do I know when it’s time to replace exhaust manifolds?

    Answer: You should consider replacing your exhaust manifolds if you notice signs of rust, corrosion, or water intrusion, as these can severely affect engine performance. Additionally, unusual engine noises, overheating, or decreased power might indicate a need for replacement. Regular inspections should be part of your maintenance routine, especially after extended use. If your exhaust manifold looks significantly worn or damaged, replacing it with RPS Two Cast Iron Exhaust Manifolds can restore efficiency and reliability.

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GBP 414

Order now and get it around Sunday, August 09

QTY:

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Features & Benefits

  • Durable cast iron construction for longevity.
  • Compatible with Mercruiser 4.3 V6 engines from mid 1980's to 2002.
  • Includes gaskets for easy installation.
  • Left and right manifolds are identical for convenience.
  • Compatible with multiple MerCruiser part numbers.
  • Not suitable for 2002 and newer dry-joint manifolds or Volvo Penta/OMC.

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