Used 2015 Buick Regal headlight assembly – halogen (opt T4A), LH

Year & trim-specific price guide

Used 2015 Buick Regal Headlight Assembly — halogen (opt T4A), LH prices

Trim-specific pricing for the halogen (opt T4A), LH variant of the 2015 Buick Regal headlight assembly, built from 12 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 6, 2026

2015 Buick Regal · halogen (opt T4A), LH

$540

median asking price

12 priced listings · $108–$602

Price summary

A used 2015 Buick Regal headlight assembly (halogen (opt T4A), LH) costs $108 to $602, with a median asking price of $540. Based on 12 priced salvage yard listings across the US, updated Oct 6, 2026. Prices exclude shipping, core charges, and installation.

2015 Buick Regal headlight assembly — halogen (opt T4A), LH price snapshot

USD
Low
$108
Average
$372
High
$602
12 priced listings used · last updated Oct 6, 2026· How we price·

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Reporting price for 2015 Buick Regal Headlight Assembly (halogen (opt T4A), LH)

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Trim-specific context

How does the halogen (opt T4A), LH compare?

This pricing covers the halogen (opt T4A), LH variant of the 2015 Buick Regal headlight assembly, based on 12 priced listings. Its $540 median is 22% above the 2015 Buick Regal headlight assembly overall median of $444.

There are 3 other headlight assembly variants available for the 2015 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

halogen (opt T4A), LH in other model years

All years
202043 listings$400$139 – $650201944 listings$400$200 – $650201845 listings$400$200 – $58820178 listings$449$180 – $616201642 listings$255$108 – $602

Same year, other trims

What other 2015 Buick Regal headlight assembly variants are available?

halogen (opt T4A), RH

30 listings$240$102 – $595

HID (opt T4F), RH

21 listings$756$180 – $1,773

HID (opt T4F), LH

8 listings$821$550 – $995

Back to full guide

2015 Buick Regal headlight assembly — all trims

View 2015 guide

Common questions

2015 Buick Regal headlight assembly (halogen (opt T4A), LH) FAQ

How much is a used 2015 Buick Regal headlight assembly (halogen (opt T4A), LH)?

Based on 12 priced salvage-yard listings, a used 2015 Buick Regal headlight assembly in the halogen (opt T4A), LH variant lists between $108 and $602, with a median asking price of $540.

Which years use the halogen (opt T4A), LH headlight assembly?

The halogen (opt T4A), LH variant appears in model years 2015, 2016, 2017, 2018, 2019, 2020. Prices and availability may differ by year.

2015 Buick Regal Headlight Assembly · halogen (opt T4A), LH Prices | Part Price Guide