676-00542 AAPF Heater Core H2 Hummer

Review AAPF Heater Core Fits Hummer for HUMMER H2 2003–2007

The AAPF 676-00542 heater core is a crucial component in the heating system of Hummer H2 vehicles manufactured between the years 2003 and 2007. This heater core is meticulously designed to provide efficient and effective heating to the passenger cabin, ensuring driver and passenger comfort during colder weather conditions.

The AAPF 676-00542 heater core is a compact, yet complex assembly of tubes and fins that facilitate the transfer of heat from the engine coolant to the cabin air. The core is made of high-quality aluminum material, which is known for its excellent heat conductivity and durability. The tubes within the core are tiny and closely spaced, increasing the surface area for heat transfer and enhancing the overall performance of the heating system.

The heater core housing is also made of durable plastic material, which is resistant to heat and corrosion. The inlet and outlet connections on the heater core are threaded and come with gaskets to ensure a tight seal and prevent coolant leaks. The inlet connection is designed to connect to the engine coolant system, while the outlet connection supplies hot coolant to the heater core bypass and heater valve.

The AAPF 676-00542 heater core is designed to fit seamlessly into the Hummer H2's heating system. The core comes with all necessary mounting hardware, making the installation process straightforward and hassle-free. The heater core is engineered to meet or exceed OEM specifications, ensuring optimal performance and reliability.

In summary, the AAPF 676-00542 heater core is a premium quality replacement heater core specifically engineered for Hummer H2 vehicles from 2003 to 2007. It is designed to provide efficient and effective heating to the cabin, ensuring driver and passenger comfort during colder weather conditions. The core is made of high-quality aluminum and plastic materials, is easy to install, and comes with all necessary hardware.

Pros and Cons of Buying AAPF 676-00542 Heater Core for Hummer H2 (2003-2007)

The heater core is a crucial component of a vehicle's heating system. If your Hummer H2 (2003-2007) is experiencing problems with its heater, you might be considering purchasing the AAPF 676-00542 heater core as a replacement. In this analysis, we will discuss the advantages and disadvantages of buying this specific heater core.

1. OEM (Original Equipment Manufacturer) Part: This heater core is a factory-original part, ensuring a precise fit and optimal performance.

2. High-quality Material: The AAPF 676-00542 heater core is made of durable materials, which can withstand the harsh conditions of a Hummer H2's heating system.

3. Improved Heater Performance: A new heater core can significantly enhance your vehicle's heating capabilities, making your driving experience more comfortable.

1. Cost: Replacing a heater core can be an expensive repair, especially when purchasing an OEM part like the AAPF 676-00542.

2. Installation Complexity: The heater core is a complex system that requires professional knowledge and tools to replace, adding to the overall cost of the repair.

3. Potential for Additional Repairs: A failing heater core may indicate other issues within the cooling system, which could require additional repairs.

While the AAPF 676-00542 heater core for the Hummer H2 (2003-2007) comes with advantages such as OEM quality and improved heater performance, it also comes with disadvantages like high cost and installation complexity. Ultimately, the decision to purchase this heater core depends on your priorities, budget, and willingness to invest in a reliable and long-lasting replacement.

If you are looking for a high-quality, long-lasting solution for your Hummer H2's heater core issue, the AAPF 676-00542 is an excellent choice. However, if you are on a tight budget, you might consider aftermarket alternatives or used OEM parts to save costs. Regardless of your decision, it is always recommended to have the replacement installed by a professional to ensure proper functioning and avoid any potential complications.

Details:

specifications aircondiheat:

• for models: H2
• for makes: Hummer
• for years: 2003–2007
• brand: Aapf
• part type: Heater
• conditions options: Heater Core
• genuine oem: No
• ipn: 676-00542

general aircondiheat:

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

offer aircondiheat:

• availability: in stock
• sold #: 9
• price: $77.31
• item condition: New
• in stock #: 1
• started: may 4, 2026
• options: ship-to-home

payments aircondiheat:

• credit card: mastercard
• wallet: google-pay
• other

seller aircondiheat:

• city: kingston springs, tennessee
• # reviews: 3140
• rating: 100.0%

shipping aircondiheat:

• transit: 3-9 days
• class: expedited
• type: fixed
• service: expedited

returns aircondiheat:

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