677.AM1406 AMERICAN MOTORS Hvac Air Box Conditioning Ac Core

Review AMERICAN MOTORS Hummer Hvac Air Conditioning Ac Heater Core Box Assembly Fits for HUMMER H3 2006–2010

Introducing the American Powertrain 677.AM1406 Hummer H3 Heater Core Box, designed specifically for Hummer H3 models produced between 2006 and 2010 (including the 06 and 07 variants). This heater core box is an essential component of your vehicle's HVAC system, responsible for providing both heating and air conditioning functions.

Manufactured with precision and high-quality materials, this heater core box ensures optimal performance and reliability. The box is engineered to fit securely and seamlessly into your Hummer H3, allowing for a hassle-free installation process.

The American Powertrain 677.AM1406 Heater Core Box is engineered with a durable construction to withstand the rigors of daily use. It features a corrosion-resistant design, ensuring that it remains in excellent condition even in harsh environments. This design makes it an ideal choice for those who live in areas with extreme weather conditions.

This heater core box is designed to work in conjunction with your Hummer H3's existing HVAC system. It is engineered to provide efficient heating and cooling, ensuring that your vehicle's interior remains comfortable no matter the external temperature.

The American Powertrain 677.AM1406 Heater Core Box is easy to install, with no complicated procedures or specialized tools required. It comes with clear and concise instructions, making the installation process straightforward and stress-free.

In summary, the American Powertrain 677.AM1406 Hummer H3 Heater Core Box is a high-quality, durable, and efficient component designed to keep your vehicle's HVAC system in optimal working condition. Whether you're dealing with extreme heat or cold, this heater core box ensures that your Hummer H3's interior remains comfortable and enjoyable to be in.

Buying a new HVAC (Heating, Ventilation, and Air Conditioning) system, specifically the AC heater core box for a 2006-2010 Hummer H3 with the part number 677.AM1406, can be a significant investment. Here are some potential pros and cons to consider before making a purchase:

1. Improved Comfort: A new HVAC system can provide better temperature control and improved comfort in your vehicle, especially during extreme weather conditions.

2. Increased Efficiency: Newer HVAC systems are often more energy-efficient than older models, which can save you money on fuel or electricity in the long run.

3. Reliability: A new HVAC system comes with a warranty, providing peace of mind and protection against any potential issues.

4. Reduced Emissions: A more efficient HVAC system can help reduce your vehicle's emissions, making it a more environmentally-friendly choice.

5. Enhanced Safety: Properly functioning heating and cooling systems are crucial for driver and passenger safety, especially in extreme temperatures.

1. Cost: The upfront cost of purchasing a new HVAC system can be high, especially for larger vehicles like the Hummer H3.

2. Installation Complexity: Installing a new HVAC system can be a complex process, requiring specialized tools and knowledge. It is recommended to have a professional install the system to ensure it is done correctly.

3. Potential Compatibility Issues: Ensure that the new HVAC system is compatible with your specific vehicle model and year. Using an incompatible system can result in poor performance or even damage to the vehicle.

4. Potential for Ongoing Maintenance: Regular maintenance is required to keep an HVAC system running efficiently. This can add to the overall cost of ownership.

When considering purchasing a new HVAC system for your Hummer H3, it's important to weigh the potential benefits against the costs. Improved comfort, increased efficiency, reliability, reduced emissions, and enhanced safety are all important factors, but they come with a significant upfront investment and potential ongoing maintenance costs. Ultimately, if the benefits outweigh the costs for your specific situation, a new HVAC system can be a worthwhile investment for your vehicle.

If you decide to purchase a new HVAC system for your Hummer H3, make sure to work with a reputable dealer or mechanic to ensure compatibility and proper installation. Additionally, consider the long-term benefits and costs, and factor in the potential for ongoing maintenance. Proper research and planning can help you make an informed decision and enjoy the improved comfort and reliability that a new HVAC system can provide.

Details:

Hummer H3 hvac air conditioning ac heater core box assembly fits 2006 -2010 06 07: review photos this is your actual part. Miles: 192000 - n/a or unknown. Major components are stamped and may have heat sensitive tabs attached to indicated overheating that would void warranty. Warranty covers the base component and none of other attached parts.

Parts are not covered for external fluid leaks. Stock #: 260894. Hvac heater core box assembly. These extra attached parts are not covered by any warranty.

Many electronic modules and components require programming. Donor vehicle: model: Hummer H3.

specifications heatercoreco:

• for models: H3
• for makes: Hummer
• for years: 2006–2010
• brand: American Motors
• part type: Hvac Ac Box Conditioning Heater Motor
• conditions options: Suv
• genuine oem: Yes
• ipn: 677.am1406
• make: American
• warranty: 60 Day

returns heatercoreco:

• paid by: buyer
• time: 30 days
• policy: returns accepted

shipping heatercoreco:

• class: economy
• service: economy
• type: fixed
• transit: 3-6 days

offer heatercoreco:

• options: ship-to-home
• sold #: 10
• availability: in stock
• in stock #: 1
• started: june 5, 2026
• price: $299.86
• item condition: Used
• best offers: true

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• other
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• wallet: paypal

general heatercoreco:

• category: Auto Parts > Car Truck Accessories > Air Conditioning Heating > Heater Cores

seller heatercoreco:

• rating: 99.5%
• # reviews: 12885
• city: port washington, wisconsin