5.7L GM Vortec Marine Engine Cylinder Head. Replaces Mercruiser & Volvo Penta applications years 1997-newer. Replaces Mercruiser 938-8M0115137
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5.7L GM Vortec Marine Engine Cylinder Head. Replaces Mercruiser & Volvo Penta applications years 1997-newer. Replaces Mercruiser 938-8M0115137
BRAND NEW marine cylinder head for all 5.7L/350 Vortec marine engines made from 1997-newer
5.7L GM Vortec Marine Engine Cylinder Head. Replaces Mercruiser & Volvo Penta applications years 1997-newer. Replaces Mercruiser 938-8M0115137
Item #: 27155062

5.7L GM Vortec Marine Engine Cylinder Head. Replaces Mercruiser & Volvo Penta applications years 1997-newer. Replaces Mercruiser 938-8M0115137

Item #: 27155062
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BRAND NEW marine cylinder head for all 5.7L/350 Vortec marine engines made from 1997-newer
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What Stands Out

High Compatibility
Designed to fit Mercruiser and Volvo Penta applications from 1997 onwards, ensuring easy replacement and seamless integration with existing marine engines.
Robust Performance
The 5.7L GM Vortec engine cylinder head enhances engine efficiency and power output, providing superior performance for recreational and commercial marine operations.
Durable Construction
Constructed with high-quality materials, this cylinder head offers long-lasting durability and resistance to the harsh marine environment, ensuring reliable engine performance over time.

Product Details

Looking for a replacement cylinder head for your marine engine? Buy the 5.7L GM Vortec Marine Engine Cylinder Head at Ubuy Australia. Replaces Mercruiser, Volvo Penta, OMC & GM engines.
  • Brand new aftermarket complete cylinder head with valves and springs
  • Direct replacement for 5.7L/350 Vortec marine engines from 1997-newer
  • Compatible with Mercruiser, Volvo Penta, OMC, and GM marine 5.7L engines
  • Replaces Mercruiser part numbers 938-8M0115137, 803860T and Volvo Penta part number 3857663
  • 8 Bolt intake manifold pattern, replaces casting #'s: 062, 906
  • Features 68cc 1.94/1.50 valves, designed specifically for marine applications
Package Weight52 Pound

Who Should Buy?

Suitable For
  • Boat Owners

    Ideal for owners of boats using 5.7L GM Vortec engines who need reliable cylinder head replacements.

  • Marine Mechanics

    Perfect for marine mechanics seeking quality replacement parts for Mercruiser and Volvo Penta engine applications.

  • Performance Upgrades

    Beneficial for users looking to enhance their marine engine performance with compatible aftermarket cylinder head options.

Not Suitable For
  • Older Engines

    Not suitable for marine engines manufactured before 1997 as compatibility is limited to newer models.

  • Budget Builds

    May not be ideal for budget projects where cheaper alternatives or refurbished heads could be considered.

  • Non-Marine Use

    Inappropriate for users intending to use the product in non-marine applications, which may lead to performance issues.

Product Description

5.7L GM Vortec Marine Engine Cylinder Head. Replaces Mercruiser & Volvo Penta applications years 1997-newer. Replaces Mercruiser 938-8M0115137

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the specifications of the 5.7L GM Vortec Marine Engine Cylinder Head?

    Answer: The 5.7L GM Vortec Marine Engine Cylinder Head is designed specifically for Vortec engines, featuring a high-flow design that enhances performance and efficiency. It has a casting number that matches OEM specifications, ensuring compatibility with Mercruiser and Volvo Penta applications from 1997 onwards. This cylinder head is ideal for various marine applications, providing durability and reliability critical for boating environments.
  • Question: How does this cylinder head compare to original equipment manufacturer (OEM) options?

    Answer: The 5.7L GM Vortec Marine Engine Cylinder Head is engineered as a direct replacement for OEM parts like the Mercruiser 938-8M0115137. It matches OEM performance metrics while often providing improved airflow dynamics, which can lead to better engine performance. Choosing this cylinder head can be a cost-effective solution, as it maintains the quality standards necessary for marine engines without the premium cost associated with OEM parts.
  • Question: Will this cylinder head fit various boat models?

    Answer: Yes, the 5.7L GM Vortec Marine Engine Cylinder Head is versatile and fits a range of boat models that utilize the Mercruiser and Volvo Penta engine designs from 1997 onward. It's important to cross-check your engine manufacturer’s specifications to confirm compatibility. This flexibility makes it an excellent choice for boat repair or upgrades, ensuring reliable performance on the water.
  • Question: What symptoms indicate I need a new cylinder head for my marine engine?

    Answer: Common symptoms indicating that you might need a new cylinder head include overheating, loss of compression, oil in the coolant, or decreased engine power. If you notice any of these issues, it’s crucial to inspect your engine thoroughly. Replacing the cylinder head with a 5.7L GM Vortec Marine Engine Cylinder Head can restore engine function, enhance performance, and prevent more serious damage in the long run.
  • Question: What is the installation process for this cylinder head?

    Answer: Installing the 5.7L GM Vortec Marine Engine Cylinder Head involves several steps, starting with removing the old head, cleaning the surface, and ensuring no debris is present. Proper alignment and torque specifications are essential during installation to maintain engine integrity. If you're not familiar with engine repairs, hiring a professional mechanic for installation can ensure effective and safe operation, reducing the risk of future issues.
  • Question: Does this cylinder head require any modifications for installation?

    Answer: Typically, the 5.7L GM Vortec Marine Engine Cylinder Head is designed as a direct replacement, meaning modifications are generally not needed. However, it's always wise to verify your specific engine requirements. In some cases, minor adjustments or additional parts may be necessary depending on your engine setup or if you're upgrading from a significantly different model. Always refer to the installation guidelines for your specific engine.
  • Question: Can this cylinder head improve fuel efficiency?

    Answer: Yes, installing the 5.7L GM Vortec Marine Engine Cylinder Head can lead to improved fuel efficiency through its high-flow design and enhanced combustion capabilities. These features help in optimizing the air-fuel mixture, which can contribute to better engine performance and reduced fuel consumption. This could be particularly beneficial for boaters looking to cut operational costs without sacrificing power or performance.
  • Question: What maintenance is required after installing a new cylinder head?

    Answer: After installing the 5.7L GM Vortec Marine Engine Cylinder Head, regular maintenance is essential to ensure longevity and performance. This includes routine checks of engine coolant levels, oil changes, and monitoring for any leaks or unusual noises. Additionally, ensuring that the head is properly torqued to specification during installation helps in preventing future issues. Following a regular service schedule will keep your engine operating smoothly and efficiently.
  • Question: What warranty options are available for this cylinder head?

    Answer: The 5.7L GM Vortec Marine Engine Cylinder Head typically comes with a warranty that covers defects in material and workmanship, though the specifics can vary by manufacturer. It's essential to check the warranty terms upon purchase and keep documentation for your records. A good warranty provides peace of mind, especially for marine applications where reliable performance is crucial.
  • Question: Where can I buy the 5.7L GM Vortec Marine Engine Cylinder Head?

    Answer: You can buy the 5.7L GM Vortec Marine Engine Cylinder Head at Ubuy. They offer a range of marine engine parts specialized for compatibility with various applications, providing convenience and assurance of quality. Ubuy simplifies the purchasing process, allowing you to find the right parts for your boat quickly, ensuring your engine runs efficiently and effectively.

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Features & Benefits

  • Aftermarket replacement cylinder head for Mercruiser, Volvo Penta, OMC and GM marine 5.7L engines used between the years 1997-newer
  • Smaller HO exhaust ports, complete with valves and springs
  • Replaces casting #062, 906 and Mercruiser part numbers 938-8M0115137, 803860T
  • Replaces Volvo Penta part number 3857663 and GM part number 12558060

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