Used 2018 GMC Sierra 1500 headlight assembly – HID (opt T4F), LH

Year & trim-specific price guide

Used 2018 GMC Sierra 1500 Headlight Assembly — HID (opt T4F), LH prices

Trim-specific pricing for the HID (opt T4F), LH variant of the 2018 GMC Sierra 1500 headlight assembly, built from 42 real salvage yard listings with condition grade detail.

2018 GMC Sierra 1500 · HID (opt T4F), LH

$750

median asking price

42 priced listings · $250–$1,097

Price summary

A used 2018 GMC Sierra 1500 headlight assembly (HID (opt T4F), LH) costs $250 to $1,097, with a median asking price of $750. Based on 42 priced salvage yard listings across the US, updated Aug 18, 2026. Prices exclude shipping, core charges, and installation.

2018 GMC Sierra 1500 headlight assembly — HID (opt T4F), LH price snapshot

USD
Low
$250
Average
$709
High
$1,097
42 priced listings used · last updated Aug 18, 2026· How we price·

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Reporting price for 2018 GMC Sierra 1500 Headlight Assembly (HID (opt T4F), LH)

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Condition comparison

Price by part grade

Grade AClean / low wearUpdating
Grade BStandard usedUpdating
Grade CVisible wearUpdating
Grade XUngraded$250–$1,09742 listings

Trim-specific context

How does the HID (opt T4F), LH compare?

This pricing covers the HID (opt T4F), LH variant of the 2018 GMC Sierra 1500 headlight assembly, based on 42 priced listings. Its $750 median is 15% below 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

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

LED, opt T4L, RH

40 listings$1,000$150 – $1,281

Back to full guide

2018 GMC Sierra 1500 headlight assembly — all trims

View 2018 guide

Common questions

2018 GMC Sierra 1500 headlight assembly (HID (opt T4F), LH) FAQ

How much is a used 2018 GMC Sierra 1500 headlight assembly (HID (opt T4F), LH)?

Based on 42 priced salvage-yard listings, a used 2018 GMC Sierra 1500 headlight assembly in the HID (opt T4F), LH variant lists between $250 and $1,097, with a median asking price of $750.

Which years use the HID (opt T4F), LH headlight assembly?

In our current dataset, the HID (opt T4F), LH variant appears only for the 2018 model year.