Chevy Silverado 1500 alternator — 170 amp (opt KW7) price snapshot
- Low
- $35
- Average
- $144
- High
- $280
Trim-specific price guide
Chevy Silverado 1500 Alternator — 170 amp (opt KW7) prices
Pricing for the 170 amp (opt KW7) variant of the Chevy Silverado 1500 alternator, aggregated from 207 salvage yard listings across 5 model years.
Price summary
A used Chevy Silverado 1500 alternator (170 amp (opt KW7)) costs $35 to $280, with a median asking price of $123. Based on 207 priced salvage yard listings across the US, updated Sep 9, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$141
Grade B (good)$190
Grade C (fair)$66
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$249122 listings
Grade BStandard used$56–$28074 listings
Grade CVisible wear$35–$662 listings
Grade XUngraded$40–$1559 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$249 | 122 | |
| Grade BStandard used | $56–$280 | 74 | |
| Grade CVisible wear | $35–$66 | 2 | |
| Grade XUngraded | $40–$155 | 9 |
Median by grade
Grade price comparison
Grade A$141
Grade B$190
Grade C$66
Ungraded$86
Median asking price by seller-reported condition grade · $35–$280 overall range
Trim-specific context
How is the 170 amp (opt KW7) priced differently?
This pricing covers the 170 amp (opt KW7) variant of the Chevy Silverado 1500 alternator, based on 207 priced listings across 5 model years (2016, 2018, 2020, 2021, 2025). Its $123 median is 1% below the Chevy Silverado 1500 alternator overall median of $124.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
What does a 170 amp (opt KW7) cost by year?
Other trims
Other Chevy Silverado 1500 alternator variants
2.0L
1 yr$132$46 – $249150 amp (opt KG4)
2 yrs$162$55 – $214100 amp (opt KY4)
2 yrs$75$45 – $875classic style (mirrors mount in window corner)
1 yr$125$85 – $205new style (mirrors mount on door skin), 170 amp (opt KW7)
1 yr$100$55 – $201new style (mirrors mount on door skin), 220 amp (opt KW5), ID 13527173
1 yr$90$50 – $290new style (mirrors mount on door skin), 220 amp (opt KW5), ID 13529433
1 yr$83$45 – $280new style (mirrors mount on door skin), 220 amp (opt KW5), ID 13531751
1 yr$90$50 – $290new style (mirrors mount on door skin), 220 amp (opt KW5), ID 13534128
1 yr$90$50 – $290Common questions
Chevy Silverado 1500 alternator (170 amp (opt KW7)) FAQ
How much is a used Chevy Silverado 1500 alternator (170 amp (opt KW7))?
Based on 207 priced salvage-yard listings across 5 model years, a used Chevy Silverado 1500 alternator in the 170 amp (opt KW7) variant lists between $35 and $280, with a median asking price of $123.
Which Chevy Silverado 1500 years use the 170 amp (opt KW7) alternator?
The 170 amp (opt KW7) variant appears in model years 2016, 2018, 2020, 2021, 2025. Prices and availability differ by year.
Is there a price difference between 170 amp (opt KW7) condition grades?
Yes. Grade A has a median of $141, Grade B has a median of $190, Grade C has a median of $66. Grade A parts are in excellent condition, B is good, and C is fair.