676-58639 TOYOTA Heater Core Yaris

Review TOYOTA Heater Core Fits for YARIS 2016–2020

The Toyota 676-58639 heater core is a crucial component of the heating system in certain models of the Yaris, specifically those manufactured between the years 2016 and 2020. This heater core is designed to provide warmth to the vehicle's interior by circulating hot coolant from the engine to the passenger compartment.

The heater core is a compact, rectangular component, typically measuring approximately 17 inches long, 11 inches wide, and 3 inches high. It consists of a series of thin, finned tubes that are bundled together to maximize surface area for effective heat transfer. These tubes are sealed at both ends and filled with coolant.

The Toyota 676-58639 heater core is engineered with a durable, corrosion-resistant aluminum construction. This not only enhances its longevity but also ensures optimal heat transfer efficiency. The core is also designed with a pressurized cooling system to maintain consistent coolant temperature and flow, ensuring efficient and even heating throughout the vehicle.

The heater core is installed in the passenger side of the vehicle's dashboard, near the base of the windshield. It is connected to the engine coolant system via a series of hoses and coolant lines. The heater core's outlet hoses connect to the vehicle's heater control valve and the dashboard heater vents, allowing the warm air to be circulated into the passenger compartment.

When the engine is running and the heater is activated, coolant circulates through the heater core, absorbing the heat from the engine coolant. As the coolant passes through the finned tubes, the heat is transferred to the surrounding air, which is then circulated into the vehicle's cabin via the dashboard vents.

This Toyota 676-58639 heater core is a crucial component for maintaining a comfortable driving experience during colder weather. If the heater core becomes damaged or malfunctions, it may result in a lack of heating or poor heating performance. Signs of a failing heater core may include a lack of warm air from the vents, a musty or mildewy smell, or condensation on the interior of the windshield. If you suspect that your vehicle's heater core may be faulty, it is recommended that you have it inspected and replaced by a certified mechanic.

Buying a Toyota heater core, specifically part number 676-58639 for a Yaris model between 2016 and 2020, can be an essential investment for maintaining the vehicle's heating system. Below are some pros and cons to consider before making the purchase.

1. Improved interior comfort: A functional heater core ensures that the vehicle's interior stays warm during colder weather, enhancing driving experience and comfort.

2. Preventing potential damage: A faulty heater core can lead to various issues such as engine coolant leakage, frost buildup on the windshield, and even engine damage if left unaddressed. Replacing the heater core can prevent these potential problems.

3. Availability: The Toyota part number 676-58639 is a readily available replacement for the Yaris model within this specified range.

1. Cost: Replacing a heater core can be an expensive repair, with the part itself costing around $150 to $250, not including labor costs.

2. Complexity of installation: The heater core installation process can be complex and time-consuming, especially for those without experience in automotive repairs.

3. Potential for unintended consequences: Replacing the heater core can lead to unintended consequences such as issues with the vehicle's air conditioning system, depending on the specific failure that necessitated the heater core replacement.

Investing in a new Toyota heater core, part number 676-58639, can significantly improve the driving experience and prevent potential damages to the vehicle. However, it is essential to consider the associated costs and installation complexity before proceeding with the replacement. If you are comfortable with the financial commitment and the installation process, then replacing the heater core can be a worthwhile investment.

If you are unsure about your ability to install the heater core yourself, it is recommended that you consult a professional mechanic to ensure a proper and efficient installation. Additionally, consider obtaining a quote from multiple auto parts suppliers and mechanics to ensure you are getting a fair price for both the part and labor costs.

Details:

It is stored in doors and ready to be shipped. Stock number - 2548. Scion IA 16, Yaris 16-19 sedan, 20, 17-18. Donor vehicle - 2019 Yaris.

Warranty: all parts come with our standard 60 day warranty.

specifications heatercoreco:

• for models: Yaris
• for years: 2016–2020
• brand: Toyota
• part type: Heater
• genuine oem: Yes
• ipn: 676-58639
• year: 2019
• warranty: 60 Day

seller heatercoreco:

• # reviews: 25957
• city: sauk centre, minnesota
• rating: 99.5%

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• other
• wallet: paypal
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returns heatercoreco:

• policy: returns accepted
• time: 60 days
• paid by: buyer

shipping heatercoreco:

• service: ups ground
• carrier: ups
• transit: 2-6 days
• type: fixed
• class: standard

offer heatercoreco:

• best offers: true
• started: january 6, 2026
• sold #: 12
• price: $134.86
• item condition: Used
• availability: in stock
• in stock #: 1
• options: ship-to-home

general heatercoreco:

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