Used 2020 Buick Regal headlight assembly – LED (opt T4L), LH

Year & trim-specific price guide

Used 2020 Buick Regal Headlight Assembly — LED (opt T4L), LH prices

Trim-specific pricing for the LED (opt T4L), LH variant of the 2020 Buick Regal headlight assembly, built from 27 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 16, 2026

2020 Buick Regal · LED (opt T4L), LH

$1,000

median asking price

27 priced listings · $385–$1,284

Price summary

A used 2020 Buick Regal headlight assembly (LED (opt T4L), LH) costs $385 to $1,284, with a median asking price of $1,000. Based on 27 priced salvage yard listings across the US, updated Oct 16, 2026. Prices exclude shipping, core charges, and installation.

2020 Buick Regal headlight assembly — LED (opt T4L), LH price snapshot

USD
Low
$385
Average
$1,001
High
$1,284
27 priced listings used · last updated Oct 16, 2026· How we price·

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Trim-specific context

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

This pricing covers the LED (opt T4L), LH variant of the 2020 Buick Regal headlight assembly, based on 27 priced listings. Its $1,000 median is 60% above the 2020 Buick Regal headlight assembly overall median of $624.

There are 3 other headlight assembly variants available for the 2020 Buick Regal.

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
201847 listings$910$230 – $1,181

Same year, other trims

What other 2020 Buick Regal headlight assembly variants are available?

LED (opt T4L), RH

49 listings$882$425 – $1,832

halogen (opt T4A), RH

45 listings$425$139 – $824

halogen (opt T4A), LH

43 listings$400$139 – $650

Back to full guide

2020 Buick Regal headlight assembly — all trims

View 2020 guide

Common questions

2020 Buick Regal headlight assembly (LED (opt T4L), LH) FAQ

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

Based on 27 priced salvage-yard listings, a used 2020 Buick Regal headlight assembly in the LED (opt T4L), LH variant lists between $385 and $1,284, with a median asking price of $1,000.

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

The LED (opt T4L), LH variant appears in model years 2018, 2020. Prices and availability may differ by year.

2020 Buick Regal Headlight Assembly · LED (opt T4L), LH Prices | Part Price Guide