2018 GMC Sierra 1500 headlight assembly — HID (opt T4F), LH price snapshot
- Low
- $370
- Average
- $804
- High
- $1,107
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 46 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 31, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price summary
A used 2018 GMC Sierra 1500 headlight assembly (HID (opt T4F), LH) costs $370 to $1,107, with a median asking price of $808. Based on 46 priced salvage yard listings across the US, updated Oct 31, 2026. Prices exclude shipping, core charges, and installation.
USD
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 46 priced listings. Its $808 median is 13% below the 2018 GMC Sierra 1500 headlight assembly overall median of $925.
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 trim, other years
HID (opt T4F), LH in other model years
Same year, other trims
What other 2018 GMC Sierra 1500 headlight assembly variants are available?
Back to full guide
2018 GMC Sierra 1500 headlight assembly — all trims
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 46 priced salvage-yard listings, a used 2018 GMC Sierra 1500 headlight assembly in the HID (opt T4F), LH variant lists between $370 and $1,107, with a median asking price of $808.
Which years use the HID (opt T4F), LH headlight assembly?
The HID (opt T4F), LH variant appears in model years 2016, 2017, 2018. Prices and availability may differ by year.