2018 Cadillac CTS AC compressor — 3.6L, VIN S (8th digit, opt LGX) price snapshot
- Low
- $65
- Average
- $132
- High
- $213
Year & trim-specific price guide
Used 2018 Cadillac CTS AC Compressor — 3.6L, VIN S (8th digit, opt LGX) prices
Trim-specific pricing for the 3.6L, VIN S (8th digit, opt LGX) variant of the 2018 Cadillac CTS AC compressor, built from 9 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 10, 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 Cadillac CTS AC compressor (3.6L, VIN S (8th digit, opt LGX)) costs $65 to $213, with a median asking price of $161. Based on 9 priced salvage yard listings across the US, updated Oct 10, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$94
Grade B (good)$161
USD
Condition comparison
Price by part grade
Grade AClean / low wear$65–$2135 listings
Grade BStandard used$88–$1724 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $65–$213 | 5 | |
| Grade BStandard used | $88–$172 | 4 |
Median by grade
Grade price comparison
Grade A$94
Grade B$161
Median asking price by seller-reported condition grade · $65–$213 overall range
Trim-specific context
How does the 3.6L, VIN S (8th digit, opt LGX) compare?
This pricing covers the 3.6L, VIN S (8th digit, opt LGX) variant of the 2018 Cadillac CTS AC compressor, based on 9 priced listings. Its $161 median is 2% above the 2018 Cadillac CTS AC compressor overall median of $158.
There are 3 other AC compressor variants available for the 2018 Cadillac CTS.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
3.6L, VIN S (8th digit, opt LGX) in other model years
Same year, other trims
What other 2018 Cadillac CTS AC compressor variants are available?
3.6L, VIN 8 (8th digit, opt LF3, twin turbo)
22 listings$179$45 – $3502.0L
20 listings$113$83 – $2136.2L (supercharged)
4 listings$257$161 – $278Back to full guide
2018 Cadillac CTS AC compressor — all trims
Common questions
2018 Cadillac CTS AC compressor (3.6L, VIN S (8th digit, opt LGX)) FAQ
How much is a used 2018 Cadillac CTS AC compressor (3.6L, VIN S (8th digit, opt LGX))?
Based on 9 priced salvage-yard listings, a used 2018 Cadillac CTS AC compressor in the 3.6L, VIN S (8th digit, opt LGX) variant lists between $65 and $213, with a median asking price of $161.
Which years use the 3.6L, VIN S (8th digit, opt LGX) AC compressor?
The 3.6L, VIN S (8th digit, opt LGX) variant appears in model years 2016, 2018, 2019. Prices and availability may differ by year.