2017 Chevy Silverado 1500 alternator — 100 amp (opt KY4) price snapshot
- Low
- $35
- Average
- $79
- High
- $200
Year & trim-specific price guide
Used 2017 Chevy Silverado 1500 Alternator — 100 amp (opt KY4) prices
Trim-specific pricing for the 100 amp (opt KY4) variant of the 2017 Chevy Silverado 1500 alternator, built from 35 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 24, 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 2017 Chevy Silverado 1500 alternator (100 amp (opt KY4)) costs $35 to $200, with a median asking price of $71. Based on 35 priced salvage yard listings across the US, updated Oct 24, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$75
Grade B (good)$74
USD
Condition comparison
Price by part grade
Grade AClean / low wear$45–$20015 listings
Grade BStandard used$49–$18413 listings
Grade XUngraded$35–$1007 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $45–$200 | 15 | |
| Grade BStandard used | $49–$184 | 13 | |
| Grade XUngraded | $35–$100 | 7 |
Median by grade
Grade price comparison
Grade A$75
Grade B$74
Ungraded$50
Median asking price by seller-reported condition grade · $35–$200 overall range
Trim-specific context
How does the 100 amp (opt KY4) compare?
This pricing covers the 100 amp (opt KY4) variant of the 2017 Chevy Silverado 1500 alternator, based on 35 priced listings. Its $71 median is 47% below the 2017 Chevy Silverado 1500 alternator overall median of $135.
There are 3 other alternator variants available for the 2017 Chevy Silverado 1500.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
100 amp (opt KY4) in other model years
Same year, other trims
What other 2017 Chevy Silverado 1500 alternator variants are available?
Back to full guide
2017 Chevy Silverado 1500 alternator — all trims
Common questions
2017 Chevy Silverado 1500 alternator (100 amp (opt KY4)) FAQ
How much is a used 2017 Chevy Silverado 1500 alternator (100 amp (opt KY4))?
Based on 35 priced salvage-yard listings, a used 2017 Chevy Silverado 1500 alternator in the 100 amp (opt KY4) variant lists between $35 and $200, with a median asking price of $71.
Which years use the 100 amp (opt KY4) alternator?
The 100 amp (opt KY4) variant appears in model years 2016, 2017, 2018. Prices and availability may differ by year.