2018 Cadillac CTS alternator — 2.0L, automatic engine stop and start (opt KL9) price snapshot
- Low
- $75
- Average
- $154
- High
- $201
Year & trim-specific price guide
Used 2018 Cadillac CTS Alternator — 2.0L, automatic engine stop and start (opt KL9) prices
Trim-specific pricing for the 2.0L, automatic engine stop and start (opt KL9) variant of the 2018 Cadillac CTS alternator, built from 6 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 9, 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 alternator (2.0L, automatic engine stop and start (opt KL9)) costs $75 to $201, with a median asking price of $161. Based on 6 priced salvage yard listings across the US, updated Oct 9, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$161
Grade B (good)$167
USD
Condition comparison
Price by part grade
Grade AClean / low wear$161–$2014 listings
Grade BStandard used$75–$1672 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $161–$201 | 4 | |
| Grade BStandard used | $75–$167 | 2 |
Median by grade
Grade price comparison
Grade A$161
Grade B$167
Median asking price by seller-reported condition grade · $75–$201 overall range
Trim-specific context
How does the 2.0L, automatic engine stop and start (opt KL9) compare?
This pricing covers the 2.0L, automatic engine stop and start (opt KL9) variant of the 2018 Cadillac CTS alternator, based on 6 priced listings. Its $161 median is 11% above the 2018 Cadillac CTS alternator overall median of $145.
There are 4 other alternator 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
2.0L, automatic engine stop and start (opt KL9) in other model years
Same year, other trims
What other 2018 Cadillac CTS alternator variants are available?
3.6L, VIN 8 (8th digit, opt LF3, twin turbo)
32 listings$184$75 – $3256.2L (supercharged)
13 listings$106$65 – $3053.6L, VIN S (8th digit, opt LGX)
8 listings$161$50 – $1612.0L, w/o automatic engine stop and start
4 listings$85$61 – $120Back to full guide
2018 Cadillac CTS alternator — all trims
Common questions
2018 Cadillac CTS alternator (2.0L, automatic engine stop and start (opt KL9)) FAQ
How much is a used 2018 Cadillac CTS alternator (2.0L, automatic engine stop and start (opt KL9))?
Based on 6 priced salvage-yard listings, a used 2018 Cadillac CTS alternator in the 2.0L, automatic engine stop and start (opt KL9) variant lists between $75 and $201, with a median asking price of $161.
Which years use the 2.0L, automatic engine stop and start (opt KL9) alternator?
The 2.0L, automatic engine stop and start (opt KL9) variant appears in model years 2016, 2017, 2018. Prices and availability may differ by year.