2021 Mazda 3 heater core — AC, automatic temperature control price snapshot
- Low
- $85
- Average
- $114
- High
- $116
Year & trim-specific price guide
Used 2021 Mazda 3 Heater Core — AC, automatic temperature control prices
Trim-specific pricing for the AC, automatic temperature control variant of the 2021 Mazda 3 heater core, built from 27 real salvage yard listings with condition grade detail.
Price summary
A used 2021 Mazda 3 heater core (AC, automatic temperature control) costs $85 to $116, with a median asking price of $116. Based on 27 priced salvage yard listings across the US, updated Sep 4, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$116
Grade B (good)$116
USD
Condition comparison
Price by part grade
Grade AClean / low wear$85–$11621 listings
Grade BStandard used$116–$1166 listings
Grade CVisible wearUpdating
Grade XUngradedUpdating
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $85–$116 | 21 | |
| Grade BStandard used | $116–$116 | 6 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Grade price comparison
Grade A$116
Grade B$116
Median asking price by seller-reported condition grade · $85–$116 overall range
Trim-specific context
How does the AC, automatic temperature control compare?
This pricing covers the AC, automatic temperature control variant of the 2021 Mazda 3 heater core, based on 27 priced listings. Its $116 median is 0% above the 2021 Mazda 3 heater core overall median of $116.
There is 1 other heater core variant available for the 2021 Mazda 3.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
AC, automatic temperature control in other model years
Same year, other trims
What other 2021 Mazda 3 heater core variants are available?
Back to full guide
2021 Mazda 3 heater core — all trims
Common questions
2021 Mazda 3 heater core (AC, automatic temperature control) FAQ
How much is a used 2021 Mazda 3 heater core (AC, automatic temperature control)?
Based on 27 priced salvage-yard listings, a used 2021 Mazda 3 heater core in the AC, automatic temperature control variant lists between $85 and $116, with a median asking price of $116.
Which years use the AC, automatic temperature control heater core?
The AC, automatic temperature control variant appears in model years 2020, 2021. Prices and availability may differ by year.