2018 Cadillac XT5 alternator — 155 amp (opt KW8) price snapshot
- Low
- $35
- Average
- $139
- High
- $237
Year & trim-specific price guide
Used 2018 Cadillac XT5 Alternator — 155 amp (opt KW8) prices
Trim-specific pricing for the 155 amp (opt KW8) variant of the 2018 Cadillac XT5 alternator, built from 47 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 updatedSep 29, 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 XT5 alternator (155 amp (opt KW8)) costs $35 to $237, with a median asking price of $135. Based on 47 priced salvage yard listings across the US, updated Sep 29, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$135
Grade B (good)$216
USD
Condition comparison
Price by part grade
Grade AClean / low wear$75–$23735 listings
Grade BStandard used$85–$2208 listings
Grade XUngraded$35–$754 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$237 | 35 | |
| Grade BStandard used | $85–$220 | 8 | |
| Grade XUngraded | $35–$75 | 4 |
Median by grade
Grade price comparison
Grade A$135
Grade B$216
Ungraded$65
Median asking price by seller-reported condition grade · $35–$237 overall range
Trim-specific context
How does the 155 amp (opt KW8) compare?
This pricing covers the 155 amp (opt KW8) variant of the 2018 Cadillac XT5 alternator, based on 47 priced listings. Its $135 median is 23% above the 2018 Cadillac XT5 alternator overall median of $110.
There is 1 other alternator variant available for the 2018 Cadillac XT5.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
155 amp (opt KW8) in other model years
Same year, other trims
What other 2018 Cadillac XT5 alternator variants are available?
Back to full guide
2018 Cadillac XT5 alternator — all trims
Common questions
2018 Cadillac XT5 alternator (155 amp (opt KW8)) FAQ
How much is a used 2018 Cadillac XT5 alternator (155 amp (opt KW8))?
Based on 47 priced salvage-yard listings, a used 2018 Cadillac XT5 alternator in the 155 amp (opt KW8) variant lists between $35 and $237, with a median asking price of $135.
Which years use the 155 amp (opt KW8) alternator?
The 155 amp (opt KW8) variant appears in model years 2017, 2018, 2019. Prices and availability may differ by year.