55565291 55573669 | New 1.4L DOHC Cylinder Head for Chevrolet Cruze, Trax, Sonic, Buick Encore – Heavy-Duty Aftermarket Casting

Product Overview

Enhance the performance and reliability of your GM Chevrolet Cruze, Trax, Sonic, or Buick Encore with our brand-new heavy-duty aftermarket 1.4 Cruze cylinder head. This cylinder head is designed to address the common issue of cracking found in the original parts. Crafted from high-quality materials and engineered to precise specifications, our cylinder head features a thicker internal casting that ensures superior durability and longevity, allowing your vehicle to run smoothly and efficiently even under demanding conditions.

Key Features:

Superior Heavy-Duty Aftermarket Casting: Our cylinder head is manufactured with a robust, heavy-duty aftermarket casting, significantly thicker than the original design. This enhancement corrects the common problem of cracking in the original GM cylinder heads. The thicker casting provides increased strength and resilience, making it the perfect choice for those looking to upgrade their vehicle with a more durable and reliable component.

Optimized Valve Train Configuration: Equipped with 21-4n stainless valves, springs, and retainers, our cylinder head ensures optimal airflow and combustion efficiency. The precision-machined valve seats and guides offer enhanced durability, while high-temperature resistant valve seals prevent leaks and extend the overall lifespan of the engine components.

Advanced Cooling System: To prevent overheating and maintain optimal engine temperatures, our cylinder head incorporates advanced integrated cooling channels. This system ensures effective heat dissipation, which helps reduce thermal stress and enhances the overall performance and efficiency of your engine.

Seamless Installation: Designed for an exact fit, our cylinder head simplifies the installation process. It comes fully assembled with all the necessary components, allowing for a straightforward installation without any need for modifications. This makes it easy to replace your old, damaged cylinder head and get your vehicle back on the road quickly.

Benefits

Enhanced Durability and Longevity: The heavy-duty, thicker casting significantly improves the durability and lifespan of the cylinder head, making it resistant to cracking and other common issues. This robust construction ensures your engine remains in top condition, reducing the need for frequent repairs and replacements.

Improved Engine Performance: Our cylinder head’s optimized design enhances engine performance by promoting better airflow and more efficient combustion. This leads to increased power output, improved fuel economy, and reduced emissions, making your vehicle more powerful and eco-friendly.

Cost-Effective Maintenance: Investing in our new cylinder head means less frequent maintenance and lower repair costs. Its reinforced design and high-quality components reduce the likelihood of issues, providing you with a reliable and cost-effective solution for maintaining your vehicle’s engine performance.

Technical Specifications

• Fits: GM Chevrolet Cruze, Trax, Sonic, and Buick Encore with 1.4L DOHC engines with casting #’s 55565291 , 55573669
• Engine Type: Dual Overhead Cam (DOHC), Inline 4-cylinder.
• Displacement: 1.4 liters.
• Material: High-grade aluminum with thicker aftermarket casting.
• Valve Configuration: 4 valves per cylinder.
• Cooling System: Advanced integrated cooling channels.
• Core Return Required

Compatibility

This cylinder head is a perfect fit for the following models:

• GM Chevrolet Cruze: Ideal for 1.4L DOHC engines, providing a reliable performance boost and durability.
• Chevy Trax: Ensures a seamless match with existing engine configurations, enhancing efficiency and reliability.
• Chevy Sonic: Supports high performance while maintaining excellent fuel economy and durability.
• Buick Encore: Fits perfectly and offers robust and consistent engine performance.

Heavy Duty Parts Company – Core Returns Policy

At Heavy Duty Parts Company, core returns are essential to our ability to provide high-quality, cost-effective cylinder heads to our customers. These returned cores supply essential components, such as keepers, springs, and retainers, which are critical to engine performance.

No Core Charge – Just Send It Back!

Unlike other companies, we do not charge a core fee upfront. Instead, we rely on our customers to return their used cores to keep our supply chain running smoothly.

Why Core Returns Matter

• Many small but essential parts from cores are reused to maintain OEM-quality cylinder heads.
• Returning cores keeps prices competitive by reducing the need for costly new components.
• It supports sustainability by minimizing waste and conserving resources.

Send Back All Components

To ensure the quality and integrity of our remanufacturing process, we ask that you return all components that were originally included with your new cylinder head. This includes items such as:

• Rocker arms
• Camshafts (if applicable)
• Any other hardware that came with your purchase

Easy & Free Core Return Process

• Each purchase includes a prepaid core return label in a plastic sleeve on the box.
• Simply pack your core with all included components, attach the label, and drop it off with the carrier—no extra cost to you.
• Returned cores undergo inspection and recycling, ensuring maximum efficiency.

Customer Partnership & Sustainability

By returning your core and its components, you help maintain a reliable supply chain, ensuring we can continue offering top-quality products at the best prices. This process not only benefits your wallet but also contributes to a greener and more efficient automotive industry.

We appreciate your support in keeping our business and the industry running smoothly!

Why Choose Our Heavy-Duty 1.4L DOHC Cylinder Head?

Choosing our brand new, heavy-duty aftermarket cylinder head means investing in a product that guarantees quality, durability, and peak performance. The enhanced thicker casting addresses the cracking issues found in original cylinder heads, providing a long-term, reliable solution for your vehicle’s engine. Backed by our commitment to excellence, this cylinder head is designed to keep your engine running at its best for years to come.

Discover More and Shop with Us

Explore more about our premium cylinder head and other high-quality engine components at Heavy Duty Parts Company. Visit our product page for expert advice and detailed product information. Discover how our products can enhance your vehicle’s performance and reliability.

Commitment to Customer Satisfaction

At Heavy Duty Parts Company, we are dedicated to providing top-notch automotive components and exceptional customer service. Our cylinder heads come with a satisfaction guarantee, ensuring you receive a product that meets the highest standards of quality and performance.

Contact Us

This cylinder head comes with a TWO year warranty.

For further inquiries or assistance, please reach out to our support team. We are here to help you find the right products to keep your vehicle running at its best.

For more information on this engine, check this out: GM Authority – GM Engines L2Z

1.4 Cruze cylinder head

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