Used 2020 Buick Regal headlight assembly – halogen (opt T4A), RH

Year & trim-specific price guide

Used 2020 Buick Regal Headlight Assembly — halogen (opt T4A), RH prices

Trim-specific pricing for the halogen (opt T4A), RH variant of the 2020 Buick Regal headlight assembly, built from 45 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 · halogen (opt T4A), RH

$425

median asking price

45 priced listings · $139–$824

Price summary

A used 2020 Buick Regal headlight assembly (halogen (opt T4A), RH) costs $139 to $824, with a median asking price of $425. Based on 45 priced salvage yard listings across the US, updated Oct 16, 2026. Prices exclude shipping, core charges, and installation.

2020 Buick Regal headlight assembly — halogen (opt T4A), RH price snapshot

USD
Low
$139
Average
$479
High
$824
45 priced listings used · last updated Oct 16, 2026· How we price·

Report incorrect price

Reporting price for 2020 Buick Regal Headlight Assembly (halogen (opt T4A), RH)

Reason

Trim-specific context

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

This pricing covers the halogen (opt T4A), RH variant of the 2020 Buick Regal headlight assembly, based on 45 priced listings. Its $425 median is 32% below 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

halogen (opt T4A), RH in other model years

All years
201944 listings$425$139 – $824201844 listings$400$139 – $760201712 listings$335$199 – $569201642 listings$240$102 – $595201530 listings$240$102 – $595

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), LH

43 listings$400$139 – $650

LED (opt T4L), LH

27 listings$1,000$385 – $1,284

Back to full guide

2020 Buick Regal headlight assembly — all trims

View 2020 guide

Common questions

2020 Buick Regal headlight assembly (halogen (opt T4A), RH) FAQ

How much is a used 2020 Buick Regal headlight assembly (halogen (opt T4A), RH)?

Based on 45 priced salvage-yard listings, a used 2020 Buick Regal headlight assembly in the halogen (opt T4A), RH variant lists between $139 and $824, with a median asking price of $425.

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

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

2020 Buick Regal Headlight Assembly · halogen (opt T4A), RH Prices | Part Price Guide