2020 Chevy Silverado 1500 alternator — 170 amp (opt KW7) price snapshot
- Low
- $50
- Average
- $165
- High
- $249

Year & trim-specific price guide
A used 2020 Chevy Silverado 1500 alternator (170 amp (opt KW7)) costs $50 to $249, with a median asking price of $169. Based on 50 priced salvage yard listings across the US, updated Aug 20, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$249 | 23 | |
| Grade BStandard used | $78–$219 | 27 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $50–$249 overall range
Trim-specific context
This pricing covers the 170 amp (opt KW7) variant of the 2020 Chevy Silverado 1500 alternator, based on 50 priced listings. Its $169 median is 16% above the 2020 Chevy Silverado 1500 alternator overall median of $146.
There are 6 other alternator variants available for the 2020 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
Same year, other trims
Back to full guide
Common questions
Based on 50 priced salvage-yard listings, a used 2020 Chevy Silverado 1500 alternator in the 170 amp (opt KW7) variant lists between $50 and $249, with a median asking price of $169.
The 170 amp (opt KW7) variant appears in model years 2016, 2018, 2020, 2021, 2025. Prices and availability may differ by year.