2018 Cadillac CTS alternator — 3.6L, VIN 8 (8th digit, opt LF3, twin turbo) price snapshot
- Low
- $75
- Average
- $176
- High
- $325
Year & trim-specific price guide
Used 2018 Cadillac CTS Alternator — 3.6L, VIN 8 (8th digit, opt LF3, twin turbo) prices
Trim-specific pricing for the 3.6L, VIN 8 (8th digit, opt LF3, twin turbo) variant of the 2018 Cadillac CTS alternator, built from 32 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 (3.6L, VIN 8 (8th digit, opt LF3, twin turbo)) costs $75 to $325, with a median asking price of $184. Based on 32 priced salvage yard listings across the US, updated Oct 9, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$184
USD
Condition comparison
Price by part grade
Grade AClean / low wear$75–$32529 listings
Grade XUngraded$85–$1993 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$325 | 29 | |
| Grade XUngraded | $85–$199 | 3 |
Median by grade
Grade price comparison
Grade A$184
Ungraded$95
Median asking price by seller-reported condition grade · $75–$325 overall range
Trim-specific context
How does the 3.6L, VIN 8 (8th digit, opt LF3, twin turbo) compare?
This pricing covers the 3.6L, VIN 8 (8th digit, opt LF3, twin turbo) variant of the 2018 Cadillac CTS alternator, based on 32 priced listings. Its $184 median is 27% 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
3.6L, VIN 8 (8th digit, opt LF3, twin turbo) in other model years
Same year, other trims
What other 2018 Cadillac CTS alternator variants are available?
6.2L (supercharged)
13 listings$106$65 – $3053.6L, VIN S (8th digit, opt LGX)
8 listings$161$50 – $1612.0L, automatic engine stop and start (opt KL9)
6 listings$161$75 – $2012.0L, 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 (3.6L, VIN 8 (8th digit, opt LF3, twin turbo)) FAQ
How much is a used 2018 Cadillac CTS alternator (3.6L, VIN 8 (8th digit, opt LF3, twin turbo))?
Based on 32 priced salvage-yard listings, a used 2018 Cadillac CTS alternator in the 3.6L, VIN 8 (8th digit, opt LF3, twin turbo) variant lists between $75 and $325, with a median asking price of $184.
Which years use the 3.6L, VIN 8 (8th digit, opt LF3, twin turbo) alternator?
The 3.6L, VIN 8 (8th digit, opt LF3, twin turbo) variant appears in model years 2016, 2017, 2018, 2019. Prices and availability may differ by year.