Used 2020 GMC Terrain headlight assembly – LED (opt T4L), LH

Year & trim-specific price guide

Used 2020 GMC Terrain Headlight Assembly — LED (opt T4L), LH prices

Trim-specific pricing for the LED (opt T4L), LH variant of the 2020 GMC Terrain headlight assembly, built from 9 real salvage yard listings with condition grade detail.

2020 GMC Terrain · LED (opt T4L), LH

$50

median asking price

9 priced listings · $50–$875

Price summary

A used 2020 GMC Terrain headlight assembly (LED (opt T4L), LH) costs $50 to $875, with a median asking price of $50. Based on 9 priced salvage yard listings across the US, updated Sep 9, 2026. Prices exclude shipping, core charges, and installation.

2020 GMC Terrain headlight assembly — LED (opt T4L), LH price snapshot

USD
Low
$50
Average
$407
High
$875
9 priced listings used · last updated Sep 9, 2026· How we price·

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Reporting price for 2020 GMC Terrain Headlight Assembly (LED (opt T4L), LH)

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Condition comparison

Price by part grade

Grade AClean / low wearUpdating
Grade BStandard usedUpdating
Grade CVisible wearUpdating
Grade XUngraded$50–$8759 listings

Trim-specific context

How does the LED (opt T4L), LH compare?

This pricing covers the LED (opt T4L), LH variant of the 2020 GMC Terrain headlight assembly, based on 9 priced listings. Its $50 median is 93% below the 2020 GMC Terrain headlight assembly overall median of $768.

There are 3 other headlight assembly variants 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

LED (opt T4L), LH in other model years

All years
201931 listings$500$30 – $1,152

Same year, other trims

What other 2020 GMC Terrain headlight assembly variants are available?

HID (opt T4F), LH

29 listings$750$475 – $950

HID (opt T4F), RH

24 listings$852$30 – $2,800

LED (opt T4L), RH

24 listings$815$40 – $1,300

Back to full guide

2020 GMC Terrain headlight assembly — all trims

View 2020 guide

Common questions

2020 GMC Terrain headlight assembly (LED (opt T4L), LH) FAQ

How much is a used 2020 GMC Terrain headlight assembly (LED (opt T4L), LH)?

Based on 9 priced salvage-yard listings, a used 2020 GMC Terrain headlight assembly in the LED (opt T4L), LH variant lists between $50 and $875, with a median asking price of $50.

Which years use the LED (opt T4L), LH headlight assembly?

The LED (opt T4L), LH variant appears in model years 2019, 2020. Prices and availability may differ by year.