New 4.3L Mercruiser Marine Vortec Cylinder Head # 113 Casting

Bolt Down Style Rockers

Introducing our New 4.3L 4.3L Mercruiser Marine Vortec Cylinder Head #113 Casting, a versatile solution designed for marine applications. These high-quality cylinder heads are compatible with 4.3L GM Chevrolet engines, as well as S10, Sonoma trucks, and Astro Vans, ensuring reliable performance and durability across all platforms.

Featuring the precision #113 casting, these cylinder heads come preloaded with valves and springs for an effortless installation. Built to meet OEM standards, they are perfect for replacing worn components or upgrading your engine for enhanced longevity. With superior resistance to marine corrosion and the durability needed for road use, these heads are the perfect choice for various applications.

The 4.3L GM Chevrolet 113 casting cylinder heads are an essential component of one of the most reliable and versatile V6 engines ever built. Known for their excellent performance and durability, these cylinder heads are designed to optimize the airflow and combustion process, resulting in smooth engine operation and improved power output. The 113 casting is renowned for its precise engineering, ensuring a perfect fit and superior compatibility with a variety of GM vehicles, including popular models like the S10, Sonoma, and Astro Van, as well as marine applications such as Mercruiser engines.

One of the standout features of the 4.3L V6 engine is its balance of power and efficiency, and the 113 casting cylinder heads play a crucial role in achieving that balance. Whether you’re tackling daily driving, towing, or marine adventures, these heads are built to handle it all, providing excellent performance and longevity.

Designed to withstand the toughest conditions, from long drives to heavy loads, these cylinder heads help keep your engine running smoothly, ensuring optimal combustion and reliability. For those looking to maintain or upgrade their GM 4.3L engine, the 113 casting cylinder heads offer the perfect combination of durability, performance, and versatility.

Key Features:

• Fits 4.3L GM Chevrolet S10, Sonoma trucks, and Astro Vans
• Precision #113 casting for exact OEM fit
• Fully loaded with valves and springs for easy installation
• Engineered for durability for on-road use
• Ideal for engine rebuilds
• Core Return Required

Applications:

• 4.3L GM Chevrolet engines
• Compatible with GM S10, Sonoma trucks, and Astro Vans

4.3L Mercruiser Marine Vortec Cylinder Head

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!

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