Used 2018 GMC Sierra 1500 ac compressor – 5.3L, opt L8B

Year & trim-specific price guide

Used 2018 GMC Sierra 1500 AC Compressor — 5.3L, opt L8B prices

Trim-specific pricing for the 5.3L, opt L8B variant of the 2018 GMC Sierra 1500 ac compressor, built from 38 real salvage yard listings with condition grade detail.

2018 GMC Sierra 1500 · 5.3L, opt L8B

$123

median asking price

38 priced listings · $49–$320

Price summary

A used 2018 GMC Sierra 1500 ac compressor (5.3L, opt L8B) costs $49 to $320, with a median asking price of $123. Based on 38 priced salvage yard listings across the US, updated Aug 16, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$133
Grade B (good)$113

2018 GMC Sierra 1500 ac compressor — 5.3L, opt L8B price snapshot

USD
Low
$49
Average
$140
High
$320
38 priced listings used · last updated Aug 16, 2026· How we price·

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Reporting price for 2018 GMC Sierra 1500 AC Compressor (5.3L, opt L8B)

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$49–$32029 listings
Grade BStandard used$70–$1136 listings
Grade CVisible wearUpdating
Grade XUngraded$70–$1013 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $49–$320 overall range

Trim-specific context

How does the 5.3L, opt L8B compare?

This pricing covers the 5.3L, opt L8B variant of the 2018 GMC Sierra 1500 ac compressor, based on 38 priced listings. Its $123 median is 64% above the 2018 GMC Sierra 1500 ac compressor overall median of $75.

There are 3 other ac compressor 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 ac compressor variants are available?

4.3L

40 listings$73$73 – $200

5.3L, opt L83

40 listings$73$73 – $200

6.2L

40 listings$73$73 – $200

Back to full guide

2018 GMC Sierra 1500 ac compressor — all trims

View 2018 guide

Common questions

2018 GMC Sierra 1500 ac compressor (5.3L, opt L8B) FAQ

How much is a used 2018 GMC Sierra 1500 ac compressor (5.3L, opt L8B)?

Based on 38 priced salvage-yard listings, a used 2018 GMC Sierra 1500 ac compressor in the 5.3L, opt L8B variant lists between $49 and $320, with a median asking price of $123.

Which years use the 5.3L, opt L8B ac compressor?

In our current dataset, the 5.3L, opt L8B variant appears only for the 2018 model year.