2021 GMC Terrain heater core — auxiliary price snapshot
- Low
- $75
- Average
- $240
- High
- $460
Year & trim-specific price guide
Used 2021 GMC Terrain Heater Core — auxiliary prices
Trim-specific pricing for the auxiliary variant of the 2021 GMC Terrain heater core, built from 45 real salvage yard listings with condition grade detail.
Price summary
A used 2021 GMC Terrain heater core (auxiliary) costs $75 to $460, with a median asking price of $116. Based on 45 priced salvage yard listings across the US, updated Sep 11, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$358
Grade B (good)$116
USD
Condition comparison
Price by part grade
Grade AClean / low wear$75–$46030 listings
Grade BStandard used$116–$39915 listings
Grade CVisible wearUpdating
Grade XUngradedUpdating
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$460 | 30 | |
| Grade BStandard used | $116–$399 | 15 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Grade price comparison
Grade A$358
Grade B$116
Median asking price by seller-reported condition grade · $75–$460 overall range
Trim-specific context
How does the auxiliary compare?
This pricing covers the auxiliary variant of the 2021 GMC Terrain heater core, based on 45 priced listings. Its $116 median is 8% below the 2021 GMC Terrain heater core overall median of $126.
There is 1 other heater core variant available for the 2021 GMC Terrain.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
auxiliary in other model years
Same year, other trims
What other 2021 GMC Terrain heater core variants are available?
Back to full guide
2021 GMC Terrain heater core — all trims
Common questions
2021 GMC Terrain heater core (auxiliary) FAQ
How much is a used 2021 GMC Terrain heater core (auxiliary)?
Based on 45 priced salvage-yard listings, a used 2021 GMC Terrain heater core in the auxiliary variant lists between $75 and $460, with a median asking price of $116.
Which years use the auxiliary heater core?
The auxiliary variant appears in model years 2021, 2022. Prices and availability may differ by year.