Remanufactured Chevrolet GM Colorado GMC Canyon H3 Cylinder Head 3.7L with Head Gasket Set and Bolts, Water Pump & Timing Set

If your Chevrolet Colorado, GMC Canyon, or Hummer H3 with a 3.7L engine is showing signs of poor performance, excessive oil consumption, or power loss, the cylinder head could be the culprit. Our Remanufactured Chevrolet GM Colorado GMC Canyon H3 Cylinder Head 3.7L with Head Gasket Set, Bolts, Water Pump & Timing Set offers the perfect solution. This high-quality replacement part restores your engine’s optimal performance and helps it run like new again.

Perfect for Chevrolet Colorado, GMC Canyon, and Hummer H3 models from 2004 to 2012 with 3.7L I5 engines, this cylinder head guarantees a perfect fit and ensures a hassle-free installation. With the included head gasket set, bolts, water pump, and timing set, you get everything needed for a smooth and efficient engine rebuild.

Key Features of the Chevrolet Colorado GMC Canyon Hummer H3 3.7L Cylinder Head with Head Gasket Set, Bolts, Water Pump & Timing Set:

• Perfect Fit for 3.7L Engines (2004-2012): Designed specifically for Chevrolet Colorado, GMC Canyon, and Hummer H3 models with 3.7L I5 engines.
• OEM Remanufactured Quality: Fully restored to meet or exceed OEM specifications, ensuring reliable engine performance.
• Restores Engine Performance: Improves compression, reduces oil consumption, and restores power to your engine.
• Durable Construction: Made with high-quality materials to withstand daily driving demands and enhance longevity.
• Complete Package: Includes head gasket set, bolts, water pump, and timing set for hassle-free installation and added value.
• Engine Performance Restoration: This cylinder head helps restore fuel efficiency, compression, and acceleration, while addressing common engine issues.

Performance Benefits of Remanufactured Chevrolet 3.7L Cylinder Head:

• Increased Power & Efficiency: Restores compression and reduces oil consumption, improving overall engine power and fuel efficiency.
• Enhanced Acceleration: Offers smoother operation and faster throttle response, providing a more enjoyable driving experience.
• Durability & Reliability: Designed to withstand the demanding conditions of daily driving, ensuring long-lasting performance.
• Eco-Friendly: By choosing remanufactured parts, you contribute to reducing waste and conserving valuable resources while saving money.

Fitment Data:

This remanufactured cylinder head fits the following Chevrolet, GMC, and Hummer models:

• Chevrolet Colorado (2004-2012)
• GMC Canyon (2004-2012)
• Hummer H3 (2006-2010)
  (For vehicles equipped with the 3.7L I5 engine)

Why Choose Our Remanufactured Cylinder Head with Head Gasket Set, Bolts, Water Pump & Timing Set:

• Perfect Fitment: Specifically designed to fit Chevrolet Colorado, GMC Canyon, and Hummer H3 models with the 3.7L engine, ensuring a smooth, hassle-free installation.
• OEM-Quality Standards: Fully remanufactured to meet or exceed OEM specifications for lasting durability and optimal performance.
• Complete Package: Includes everything you need for a successful engine rebuild, including the water pump and timing set, making it an all-in-one solution for your engine repairs.

Installation & Warranty Information:

• Installation: The cylinder head is a direct replacement for your existing part. While you can install it yourself, we recommend professional installation for optimal results.
• Warranty: Comes with a 2-year warranty against defects in material or workmanship (excludes damage from improper installation or misuse).

Heavy Duty Parts Company – Core Returns Policy

Effective December 17, 2025

At Heavy Duty Parts Company, core returns are essential to our ability to provide high-quality, cost-effective cylinder heads. Returned cores supply critical components—such as keepers, springs, and retainers—that are vital to proper engine performance and allow us to maintain OEM-level quality.

No Upfront Core Charge

Unlike many suppliers, we do not charge a core fee upfront. Instead, we rely on customers to return their used cores within the required timeframe.

Core Return Requirements

• Cores are due within 30 days of the purchase date

• If a core is not returned within 60 days, the product warranty is void

• Unreturned cores will be charged as follows:

  • Cylinder heads under $600: $200 per unreturned core

  • Cylinder heads $600 and above: $400 per unreturned core

Customers needing additional time may contact us to request an extension. Approved extensions will prevent core charges from being applied.

Core Return Process

Cylinder heads are shipped with prepaid core return labels included in packets attached to the outside of each box. If labels are missing, customers should contact us for replacements prior to returning the core.

Core Eligibility

Some cylinder heads do not require a core return. In certain cases, core requirements may be waived at our discretion.

Why Core Returns Matter

• Reused core components help maintain OEM-quality standards

• Core returns allow us to keep pricing competitive

• Recycling cores supports sustainability by reducing waste and conserving resources

This policy applies to all purchases made on or after December 17, 2025.

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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