2020 GMC Terrain heater core — auxiliary price snapshot
- Low
- $75
- Average
- $115
- High
- $116
Year & trim-specific price guide
Used 2020 GMC Terrain Heater Core — auxiliary prices
Trim-specific pricing for the auxiliary variant of the 2020 GMC Terrain heater core, built from 46 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 20, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price summary
A used 2020 GMC Terrain heater core (auxiliary) costs $75 to $116, with a median asking price of $116. Based on 46 priced salvage yard listings across the US, updated Sep 20, 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$75–$11634 listings
Grade BStandard used$116–$11612 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$116 | 34 | |
| Grade BStandard used | $116–$116 | 12 |
Median by grade
Grade price comparison
Grade A$116
Grade B$116
Median asking price by seller-reported condition grade · $75–$116 overall range
Trim-specific context
How does the auxiliary compare?
This pricing covers the auxiliary variant of the 2020 GMC Terrain heater core, based on 46 priced listings. Its $116 median is 8% below the 2020 GMC Terrain heater core overall median of $126.
There is 1 other heater core variant available for the 2020 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 2020 GMC Terrain heater core variants are available?
Back to full guide
2020 GMC Terrain heater core — all trims
Common questions
2020 GMC Terrain heater core (auxiliary) FAQ
How much is a used 2020 GMC Terrain heater core (auxiliary)?
Based on 46 priced salvage-yard listings, a used 2020 GMC Terrain heater core in the auxiliary variant lists between $75 and $116, with a median asking price of $116.
Which years use the auxiliary heater core?
The auxiliary variant appears in model years 2018, 2019, 2020, 2021, 2022. Prices and availability may differ by year.