399994 CARQUEST Heater Core

Review CARQUEST Heater Core New

The Carquest 399994 Heater Core is a crucial component in your vehicle's heating system. Designed to provide efficient heat to the passenger compartment, this heater core is engineered to deliver superior performance and longevity.

The heater core is a compact radiator that is installed in the passenger compartment of your vehicle. It utilizes a series of tiny tubes, which are filled with cooling antifreeze. As the engine produces heat, this antifreeze is circulated through the heater core, absorbing the heat and transferring it to the passenger cabin via the vehicle's heater control system.

This Carquest heater core is manufactured using high-quality materials, including aluminum, which is known for its excellent heat conductivity and durability. The core's construction also includes strong, corrosion-resistant brass end tanks and sturdy steel end tanks. These features ensure that the heater core can withstand the rigors of your vehicle's heating system, even under extreme conditions.

Installation of the Carquest 399994 Heater Core is made easy with its precise fitment and straightforward installation process. The core comes complete with all necessary mounting hardware, making it a direct replacement for many popular vehicle applications. Additionally, the core's OE-style construction ensures that it will integrate seamlessly with your vehicle's existing heating system.

The Carquest 399994 Heater Core is backed by a comprehensive warranty from Carquest, providing you with added peace of mind. This warranty covers any defects in materials or workmanship for a specified period, ensuring that your investment in this essential component is protected.

In summary, the Carquest 399994 Heater Core is a top-quality, durable component designed to provide efficient heating for your vehicle. Its high-quality construction, easy installation, and reliable performance make it an excellent choice for maintaining the comfort and functionality of your vehicle's heating system.

Pros and Cons of Buying Carquest Heater Core (Part Number 399994)

The Carquest heater core with part number 399994 is a popular aftermarket option for replacing a faulty original equipment heater core in various vehicle models. As with any automotive part purchase, it's essential to consider the advantages and disadvantages before making a decision.

A. Availability: Carquest heater cores are widely available at various auto parts stores and online retailers.

B. Affordability: This aftermarket heater core is generally more affordable than OEM (Original Equipment Manufacturer) alternatives.

C. Universal Fitment: The Carquest 399994 heater core is designed to fit a broad range of vehicle makes and models.

D. Easy Installation: Many customers report that the installation process is straightforward and can be completed within a few hours.

A. Quality Concerns: Some customers have reported issues with the quality of the gaskets or the core itself, which may lead to leaks.

B. Durability: The Carquest 399994 heater core may not last as long as an OEM part, which could lead to additional replacement costs over time.

C. Fitment Issues: Although the heater core is designed to be universal, some customers have reported that it doesn't fit their specific vehicle perfectly, requiring modifications.

The Carquest heater core (part number 399994) offers several advantages, including availability, affordability, and ease of installation. However, it also comes with potential drawbacks, such as quality concerns, durability issues, and fitment problems.

If you're on a budget and need a heater core replacement as soon as possible, the Carquest 399994 may be a suitable choice. However, if you prioritize long-term reliability and a perfect fit, you might want to consider investing in an OEM heater core or a high-quality aftermarket alternative. Ultimately, the decision depends on your preferences, budget, and the specific requirements of your vehicle.

Details:

New in box bought for truck then wrecked.

specifications heatercoreco:

• brand: Carquest
• mpn: 399994
• type: Heater Core
• manufacturer warranty: 1 Year
• material: Aluminum
• placement on vehicle: Dashboard Interior

seller heatercoreco:

• rating: 100.0%
• city: cayce, south carolina
• # reviews: 58

returns heatercoreco:

• policy: no returns

shipping heatercoreco:

• service: usps ground advantage
• type: calculated
• class: standard
• transit: 5-12 days
• carrier: usps

payments heatercoreco:

• other
• credit card: discover
• wallet: apple-pay

offer heatercoreco:

• best offers: true
• prices: $42.00–$54.99
• item condition: New
• availability: in stock
• sold #: 6
• in stock #: 5
• started: may 9, 2026
• options: ship-to-home

general heatercoreco:

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