Used 2018 GMC Sierra 1500 headlight assembly – LED, opt T4L, RH

Year & trim-specific price guide

Used 2018 GMC Sierra 1500 Headlight Assembly — LED, opt T4L, RH prices

Trim-specific pricing for the LED, opt T4L, RH variant of the 2018 GMC Sierra 1500 headlight assembly, built from 40 real salvage yard listings with condition grade detail.

2018 GMC Sierra 1500 · LED, opt T4L, RH

$1,000

median asking price

40 priced listings · $150–$1,281

Price summary

A used 2018 GMC Sierra 1500 headlight assembly (LED, opt T4L, RH) costs $150 to $1,281, with a median asking price of $1,000. Based on 40 priced salvage yard listings across the US, updated Aug 18, 2026. Prices exclude shipping, core charges, and installation.

2018 GMC Sierra 1500 headlight assembly — LED, opt T4L, RH price snapshot

USD
Low
$150
Average
$949
High
$1,281
40 priced listings used · last updated Aug 18, 2026· How we price·

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Reporting price for 2018 GMC Sierra 1500 Headlight Assembly (LED, opt T4L, RH)

Reason

Condition comparison

Price by part grade

Grade AClean / low wearUpdating
Grade BStandard usedUpdating
Grade CVisible wearUpdating
Grade XUngraded$150–$1,28140 listings

Trim-specific context

How does the LED, opt T4L, RH compare?

This pricing covers the LED, opt T4L, RH variant of the 2018 GMC Sierra 1500 headlight assembly, based on 40 priced listings. Its $1,000 median is 13% above the 2018 GMC Sierra 1500 headlight assembly overall median of $884.

There are 5 other headlight assembly variants available for the 2018 GMC Sierra 1500.

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

Same year, other trims

What other 2018 GMC Sierra 1500 headlight assembly variants are available?

HID (opt T4F), RH

45 listings$751$350 – $1,097

HID (opt T4F), LH

42 listings$750$250 – $1,097

LED, opt PDP, LH

40 listings$1,000$350 – $1,440

LED, opt PDP, RH

40 listings$1,000$150 – $1,281

LED, opt T4L, LH

40 listings$1,000$350 – $1,440

Back to full guide

2018 GMC Sierra 1500 headlight assembly — all trims

View 2018 guide

Common questions

2018 GMC Sierra 1500 headlight assembly (LED, opt T4L, RH) FAQ

How much is a used 2018 GMC Sierra 1500 headlight assembly (LED, opt T4L, RH)?

Based on 40 priced salvage-yard listings, a used 2018 GMC Sierra 1500 headlight assembly in the LED, opt T4L, RH variant lists between $150 and $1,281, with a median asking price of $1,000.

Which years use the LED, opt T4L, RH headlight assembly?

In our current dataset, the LED, opt T4L, RH variant appears only for the 2018 model year.