New Complete GM GMC Chevrolet 6.6L OHV Duramax Diesel LMM Cylinder Head 2006-2010

When it comes to maintaining or upgrading your Duramax engine, choosing the right cylinder heads can make all the difference. This New LMM Duramax Cylinder Head is designed to provide superior performance, durability, and reliability for your 6.6L diesel engine. Whether you’re facing worn-out heads or looking for an upgrade that enhances engine efficiency, these cylinder heads are the perfect solution.

Constructed to meet and exceed OEM standards, these cylinder heads are built with precision and attention to detail, ensuring a seamless fit with your Duramax engine. Optimized for better airflow, they help improve power output and fuel efficiency, making them ideal for towing, hauling, or heavy-duty work. Their high-quality construction also ensures that they can withstand the intense pressures and temperatures generated by diesel engines, offering long-lasting performance.

Why Choose LMM Duramax Cylinder Heads?

1. Superior Durability:
   These cylinder heads are engineered from high-quality materials to handle the extreme conditions of heavy-duty use. Designed for long-term durability, they ensure that your engine performs reliably in both daily driving and demanding applications. Whether it’s high temperatures or intense pressure, these heads will keep your engine running smoothly.
2. Improved Airflow for Enhanced Performance:
   The LMM Duramax Cylinder Heads are designed to optimize air intake and exhaust flow, resulting in more efficient combustion. This increased airflow can lead to better throttle response, more horsepower, and improved fuel economy. Whether you’re hauling, towing, or driving off-road, these cylinder heads will maximize your engine’s potential.
3. Direct OEM Replacement:
   Designed as a direct fit for the LMM Duramax engine, these cylinder heads are easy to install and require no modifications. This means you can quickly replace your old or damaged heads and get your truck back on the road with minimal downtime.
4. Perfect for Heavy-Duty Applications:
   Whether you’re using your Duramax for towing, heavy hauling, or everyday driving, these cylinder heads are built to handle the toughest jobs. They’re ideal for anyone looking to maintain peak performance and reliability in their truck, even under the most demanding conditions.

Key Features:

• High-quality construction for enhanced durability and reliability
• Improved airflow for better engine efficiency, power, and fuel economy
• Direct fit for seamless installation without modifications
• Optimized for heavy-duty applications, making it perfect for towing, hauling, and off-road use
• Core Return Required

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!

Upgrade your 6.6L diesel engine with this New LMM Duramax Cylinder Head to boost your engine’s performance, durability, and efficiency. Whether you’re looking for an OEM replacement or an upgrade that delivers real-world benefits, these cylinder heads provide everything you need for long-lasting, reliable performance.

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