Used 2023 GMC Terrain headlight assembly – AT4, LH

Year & trim-specific price guide

Used 2023 GMC Terrain Headlight Assembly — AT4, LH prices

Trim-specific pricing for the AT4, LH variant of the 2023 GMC Terrain headlight assembly, built from 37 real salvage yard listings with condition grade detail.

2023 GMC Terrain · AT4, LH

$700

median asking price

37 priced listings · $100–$1,206

Price summary

A used 2023 GMC Terrain headlight assembly (AT4, LH) costs $100 to $1,206, with a median asking price of $700. Based on 37 priced salvage yard listings across the US, updated Sep 13, 2026. Prices exclude shipping, core charges, and installation.

2023 GMC Terrain headlight assembly — AT4, LH price snapshot

USD
Low
$100
Average
$729
High
$1,206
37 priced listings used · last updated Sep 13, 2026· How we price·

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Reporting price for 2023 GMC Terrain Headlight Assembly (AT4, LH)

Reason

Condition comparison

Price by part grade

Grade AClean / low wearUpdating
Grade BStandard usedUpdating
Grade CVisible wearUpdating
Grade XUngraded$100–$1,20637 listings

Trim-specific context

How does the AT4, LH compare?

This pricing covers the AT4, LH variant of the 2023 GMC Terrain headlight assembly, based on 37 priced listings. Its $700 median is 7% below the 2023 GMC Terrain headlight assembly overall median of $750.

There are 7 other headlight assembly variants available for the 2023 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

AT4, LH in other model years

All years
202435 listings$700$100 – $1,344

Same year, other trims

What other 2023 GMC Terrain headlight assembly variants are available?

AT4, RH

44 listings$750$90 – $1,120

SLE, RH

44 listings$750$90 – $1,120

SLT, RH

44 listings$750$90 – $1,120

SLE, LH

37 listings$700$100 – $1,206

SLT, LH

37 listings$700$100 – $1,206

Denali, LH

14 listings$825$300 – $1,080

Denali, RH

14 listings$775$300 – $979

Back to full guide

2023 GMC Terrain headlight assembly — all trims

View 2023 guide

Common questions

2023 GMC Terrain headlight assembly (AT4, LH) FAQ

How much is a used 2023 GMC Terrain headlight assembly (AT4, LH)?

Based on 37 priced salvage-yard listings, a used 2023 GMC Terrain headlight assembly in the AT4, LH variant lists between $100 and $1,206, with a median asking price of $700.

Which years use the AT4, LH headlight assembly?

The AT4, LH variant appears in model years 2023, 2024. Prices and availability may differ by year.