GMC Yukon alternator — 170 amp (opt KW7) price snapshot
- Low
- $40
- Average
- $122
- High
- $278
Trim-specific price guide
GMC Yukon Alternator — 170 amp (opt KW7) prices
Pricing for the 170 amp (opt KW7) variant of the GMC Yukon alternator, aggregated from 113 salvage yard listings across 3 model years.
Price summary
A used GMC Yukon alternator (170 amp (opt KW7)) costs $40 to $278, with a median asking price of $93. Based on 113 priced salvage yard listings across the US, updated Sep 8, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$76
Grade B (good)$135
Grade C (fair)$75
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$22358 listings
Grade BStandard used$50–$27847 listings
Grade CVisible wear$75–$751 listings
Grade XUngraded$40–$1507 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$223 | 58 | |
| Grade BStandard used | $50–$278 | 47 | |
| Grade CVisible wear | $75–$75 | 1 | |
| Grade XUngraded | $40–$150 | 7 |
Median by grade
Grade price comparison
Grade A$76
Grade B$135
Grade C$75
Ungraded$150
Median asking price by seller-reported condition grade · $40–$278 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 GMC Yukon alternator, based on 113 priced listings across 3 model years (2018, 2019, 2020). Its $93 median is 38% below the GMC Yukon alternator overall median of $150.
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 GMC Yukon alternator variants
Common questions
GMC Yukon alternator (170 amp (opt KW7)) FAQ
How much is a used GMC Yukon alternator (170 amp (opt KW7))?
Based on 113 priced salvage-yard listings across 3 model years, a used GMC Yukon alternator in the 170 amp (opt KW7) variant lists between $40 and $278, with a median asking price of $93.
Which GMC Yukon years use the 170 amp (opt KW7) alternator?
The 170 amp (opt KW7) variant appears in model years 2018, 2019, 2020. 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 $76, Grade B has a median of $135, Grade C has a median of $75. Grade A parts are in excellent condition, B is good, and C is fair.