Spectra 98157 HVAC Heater Core

Brand Spectra 98157
Fits Mazda · 27 vehicles

OE-level replacement. Engineered to meet or exceed original equipment performance.

Quality-controlled build. Manufactured with Spectra Premium engineering and process standards.

Cross-references UAC HT399428C, VNE 8582 and BJS761A10 for the same application. See all 7.

$150.68Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $150.68
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Heater Core for Mazda HVAC Repair

The Spectra 98157 HVAC heater core is built for direct replacement service in Mazda heating systems. It is engineered to match original equipment performance, helping restore proper cabin heat and coolant-to-air heat transfer.

Key Features

  • Direct replacement heater core for HVAC service
  • Built with Spectra Premium manufacturing and quality control standards
  • Engineered to meet or exceed original equipment performance
  • Fits multiple Mazda applications, including Mazda 6, Mazda CX-5, Mazda 3, and Mazda 3 Sport
  • Part number 98157 for easy identification

Detailed Description

The Spectra 98157 heater core is a replacement HVAC component for Mazda vehicles that need reliable cabin heat output. As a core heat exchanger in the climate control system, it transfers heat from engine coolant into the passenger compartment air stream. This part number 98157 is listed for 2013-2021 Mazda CX-5, 2014-2021 Mazda 6, 2014-2018 Mazda 3, and 2014-2018 Mazda 3 Sport, making it a fitment-based choice for common Mazda heater core repairs.

This part cross-references UAC HT399428C and VNE 8582 for the same application.

What It Helps Fix

  • Weak or inconsistent cabin heat
  • Restricted heat transfer inside the HVAC system
  • Heater core replacement during cooling system repair
  • Loss of interior comfort in cold weather

Installation Notes and Tips

Verify the vehicle year, model, and HVAC configuration before installation. Heater core replacement often requires access to the HVAC case, so inspect related hoses, seals, and coolant condition during service. Confirm fitment for the exact Mazda 6, Mazda CX-5, Mazda 3, or Mazda 3 Sport application before beginning work.

Quality Assurance

Spectra Premium uses engineering, manufacturing technology, and quality control processes to produce heater cores that meet or exceed original equipment performance.

This part fits 27 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2021Mazda62.5LL4—
2021MazdaCX-52.5LL4—
2020Mazda6———
2020MazdaCX-52.5LL4—
2019Mazda6———
2019MazdaCX-52.5LL4—
2018Mazda3———
2018Mazda3 Sport———
2018Mazda6———
2018MazdaCX-5———
2017Mazda3———
2017Mazda3 Sport———
2017Mazda6———
2017MazdaCX-5———
2016Mazda3———
2016Mazda3 Sport———
2016Mazda6———
2016MazdaCX-5———
2015Mazda3———
2015Mazda3 Sport———
2015Mazda6———
2015MazdaCX-5———
2014Mazda3———
2014Mazda3 Sport———
2014Mazda6———
2014MazdaCX-5———
2013MazdaCX-5———
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
UAC — HT399428CVNE — 8582BJS761A10BJS761A10AGHP961A10KD4561A10KD4561A10A