Used GMC Terrain heater core – auxiliary

Trim-specific price guide

GMC Terrain Heater Core — auxiliary prices

Pricing for the auxiliary variant of the GMC Terrain heater core, aggregated from 60 salvage yard listings across 2 model years.

2021 GMC Terrain · auxiliary

$116

median asking price

45 priced listings · $75–$460

Price summary

A used GMC Terrain heater core (auxiliary) costs $75 to $460, with a median asking price of $333. Based on 60 priced salvage yard listings across the US, updated Sep 12, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$358
Grade B (good)$333

GMC Terrain heater core — auxiliary price snapshot

USD
Low
$75
Average
$244
High
$460
60 priced listings across 2 model years· How we price·

Report incorrect price

Reporting price for GMC Terrain Heater Core (auxiliary)

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$75–$46038 listings
Grade BStandard used$116–$42222 listings
Grade CVisible wearUpdating
Grade XUngradedUpdating

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $75–$460 overall range

Trim-specific context

How is the auxiliary priced differently?

This pricing covers the auxiliary variant of the GMC Terrain heater core, based on 60 priced listings across 2 model years (2021, 2022). Its $333 median is 187% above the GMC Terrain heater core overall median of $116.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Price by model year

What does a auxiliary cost by year?

202145 listings$116$75 – $460202215 listings$333$116 – $422

Other trims

Other GMC Terrain heater core variants

Full Terrain guide

main

2 yrs$333$126 – $333

Non-Interchange search using GMC Terrain and similar models

1 yr$116$60 – $116

Non-Interchange search using only GMC Terrain

1 yr$116$60 – $116

Common questions

GMC Terrain heater core (auxiliary) FAQ

How much is a used GMC Terrain heater core (auxiliary)?

Based on 60 priced salvage-yard listings across 2 model years, a used GMC Terrain heater core in the auxiliary variant lists between $75 and $460, with a median asking price of $333.

Which GMC Terrain years use the auxiliary heater core?

The auxiliary variant appears in model years 2021, 2022. Prices and availability differ by year.

Is there a price difference between auxiliary condition grades?

Yes. Grade A has a median of $358, Grade B has a median of $333. Grade A parts are in excellent condition, B is good, and C is fair.