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Spectra 98040 HVAC Heater CoreOE Quality 60-Day Returns
Part #: 98040

Spectra 98040 HVAC Heater Core

8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, 6
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Spectra 98040 HVAC Heater Core for Mazda 6

The Spectra 98040 HVAC heater core is a direct-fit replacement for select 2003-2008 Mazda 6 applications. Built to meet or exceed original equipment performance, it is a practical choice when the cabin heat output drops or the heater core shows signs of failure.

Key Features

  • HVAC heater core for select Mazda 6 models
  • OE-style replacement engineered for proper thermal performance
  • Manufactured with Spectra Premium quality control processes
  • Part number 98040 for easy identification
  • Cross-references OE-style part numbers GK3J61A10 and HTR010711 for the same application

Detailed Description

Designed for 2003-2008 Mazda 6 vehicles, the Spectra 98040 heater core restores the heat exchanger function inside the HVAC system. Spectra Premium uses engineering and manufacturing controls aimed at matching original equipment fit and performance, making this heater core a solid replacement when the factory unit is leaking, restricted, or no longer transferring heat efficiently. If you are searching for a Mazda 6 heater core replacement or a 2003-2008 Mazda 6 HVAC heater core, part number 98040 is the correct reference to verify before ordering.

What It Helps Fix

  • Weak or inconsistent cabin heat
  • Coolant odor inside the vehicle
  • Fogging caused by heater core leakage
  • Loss of heat transfer from a clogged core
  • Interior coolant seepage from a failing heater core

Installation Notes and Tips

Fits 2003-2008 Mazda 6, N/A. Confirm the vehicle year and HVAC configuration before installation, and inspect related cooling system components for contamination or leaks. Proper system bleeding and coolant refill are important after heater core replacement to restore normal heater operation.

Quality Assurance

Spectra Premium states that its engineering, manufacturing technology, and quality control processes are used to help heater cores meet or exceed original equipment performance. Part number 98040 is built as an OE-style replacement for the Mazda 6 heating system.

This part fits 8 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2008Mazda6N/A
2007Mazda6iN/A
2007Mazda6SN/A
2006Mazda6iN/A
2006Mazda6SN/A
2005Mazda6N/A
2004Mazda6N/A
2003Mazda6N/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:

GK3J61A10HTR010711

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

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