55565291 55573669 | New 1.4L DOHC Cylinder Head for Chevrolet Cruze, Trax, Sonic, Encore W/ Head Gasket Set & Bolts, Water Pump & Timing Set

Product Overview

Upgrade the performance and reliability of your GM Chevrolet Cruze, Trax, Sonic, or Buick Encore with our premium heavy-duty aftermarket 1.4L Cruze cylinder head. Designed to resolve the common cracking issue found in original parts, this cylinder head features a reinforced internal casting for superior durability and long-lasting performance. To further enhance your engine’s efficiency, we also offer complete timing kits and a water pump, ensuring a seamless and comprehensive repair solution. A core return is required for this purchase.

Key Features

Heavy-Duty Aftermarket Casting – Built with a significantly thicker internal casting than OEM designs, our cylinder head eliminates the common cracking problem in GM cylinder heads. This reinforced construction provides enhanced strength and longevity, making it an ideal upgrade for long-term reliability.

Optimized Valve Train Configuration – Featuring 21-4N stainless steel valves, high-performance springs, and durable retainers, this cylinder head delivers excellent airflow and combustion efficiency. Precision-machined valve seats and guides ensure long-lasting durability, while high-temperature-resistant seals prevent leaks and improve engine performance.

Advanced Cooling System – Integrated cooling channels promote efficient heat dissipation, preventing overheating and reducing thermal stress. This design enhances engine efficiency and extends the lifespan of your components, keeping your vehicle running at peak performance.

Complete Repair Solution – Timing Kits & Water Pump Included! – To ensure your engine operates smoothly, we offer complete timing kits and a high-quality water pump. These components work together to maintain proper engine timing and cooling, reducing the risk of overheating and premature wear.

Seamless Installation – Engineered for a precise fit, our fully assembled cylinder head allows for a hassle-free installation without the need for modifications. With the included timing kits and water pump, you get everything required to restore your engine’s performance efficiently.

Upgrade your vehicle today with our premium 1.4L Cruze cylinder head and complete timing solution for unmatched durability and reliability!

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.

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

1.4L Cruze cylinder head

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