HomeHVAC > Motors, Core, Case and Related ComponentsGlobal Parts 8231745 HVAC Heater Core
Part #: 8231745

Global Parts 8231745 HVAC Heater Core

⚙️ 20 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$101.79Free Shipping
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 3 and 3 Sport
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Global Parts HVAC Heater Core for Mazda 3

The Global Parts HVAC Heater Core, part number 8231745, is designed specifically for Mazda 3 and Mazda 3 Sport models. Constructed from durable aluminum, this heater core ensures reliable heat transfer and long-lasting performance in your vehicle's heating system.

  • Specific fitment for Mazda 3 and Mazda 3 Sport
  • High-quality aluminum material for efficient heat conduction
  • Non-adjustable pipe positioning for direct replacement
  • Part number 8231745 for precise identification

Detailed Product Description

This HVAC heater core from Global Parts is engineered to meet the exact specifications of Mazda 3 and Mazda 3 Sport vehicles. The aluminum construction provides excellent thermal conductivity, helping to maintain optimal cabin temperature during colder months. The part features fixed pipe positioning, which means it is designed as a direct replacement without the need for modifications or adjustments. This ensures a straightforward installation process and compatibility with the vehicle's existing HVAC system.

Common Applications and Issues Addressed

  • Restores proper heating function in Mazda 3 and Mazda 3 Sport HVAC systems
  • Resolves issues related to insufficient cabin heat output
  • Eliminates coolant leaks associated with damaged heater cores
  • Prevents fogging and windshield defrosting problems caused by faulty heater cores
  • Addresses overheating or coolant loss linked to heater core failure

Installation Notes and Tips

Installation of the Global Parts heater core 8231745 requires removal of the dashboard and HVAC housing in Mazda 3 and Mazda 3 Sport models. Due to the fixed pipe positioning, no pipe adjustments are necessary, simplifying the replacement process. It is recommended to inspect and flush the cooling system during installation to prevent future heater core issues. Proper handling of aluminum components is advised to avoid damage.

Quality Assurance and Warranty

Global Parts manufactures this heater core to meet OEM standards for fit and function. The aluminum material is selected for durability and corrosion resistance, contributing to the part's longevity. While specific warranty details are not provided, Global Parts products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the distributor or installer prior to purchase.

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2013Mazda32.0LL4GASN/A
2013Mazda32.3LL4N/A
2013Mazda32.5LL4N/A
2013Mazda3 Sport2.0LL4GASN/A
2013Mazda3 Sport2.5LL4N/A
2012Mazda32.0LL4GASN/A
2012Mazda32.3LL4N/A
2012Mazda32.5LL4N/A
2012Mazda3 Sport2.0LL4GASN/A
2012Mazda3 Sport2.5LL4N/A
2011Mazda32.3LL4N/A
2011Mazda32.5LL4N/A
2011Mazda32.0LL4GASN/A
2011Mazda3 Sport2.0LL4GASN/A
2011Mazda3 Sport2.5LL4N/A
2010Mazda32.3LL4N/A
2010Mazda32.5LL4N/A
2010Mazda32.0LL4GASN/A
2010Mazda3 Sport2.0LL4N/A
2010Mazda3 Sport2.5LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.