GMC Acadia alternator — 3.6L, 170 amp (opt KW7) price snapshot
- Low
- $40
- Average
- $126
- High
- $310
Trim-specific price guide
GMC Acadia Alternator — 3.6L, 170 amp (opt KW7) prices
Pricing for the 3.6L, 170 amp (opt KW7) variant of the GMC Acadia alternator, aggregated from 94 salvage yard listings across 2 model years.
Price summary
A used GMC Acadia alternator (3.6L, 170 amp (opt KW7)) costs $40 to $310, with a median asking price of $110. Based on 94 priced salvage yard listings across the US, updated Sep 12, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$135
Grade B (good)$88
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$29761 listings
Grade BStandard used$55–$31030 listings
Grade CVisible wearUpdating
Grade XUngraded$75–$1493 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$297 | 61 | |
| Grade BStandard used | $55–$310 | 30 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $75–$149 | 3 |
Median by grade
Grade price comparison
Grade A$135
Grade B$88
Ungraded$149
Median asking price by seller-reported condition grade · $40–$310 overall range
Trim-specific context
How is the 3.6L, 170 amp (opt KW7) priced differently?
This pricing covers the 3.6L, 170 amp (opt KW7) variant of the GMC Acadia alternator, based on 94 priced listings across 2 model years (2019, 2020). Its $110 median is 18% above the GMC Acadia alternator overall median of $93.
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 3.6L, 170 amp (opt KW7) cost by year?
Other trims
Other GMC Acadia alternator variants
Common questions
GMC Acadia alternator (3.6L, 170 amp (opt KW7)) FAQ
How much is a used GMC Acadia alternator (3.6L, 170 amp (opt KW7))?
Based on 94 priced salvage-yard listings across 2 model years, a used GMC Acadia alternator in the 3.6L, 170 amp (opt KW7) variant lists between $40 and $310, with a median asking price of $110.
Which GMC Acadia years use the 3.6L, 170 amp (opt KW7) alternator?
The 3.6L, 170 amp (opt KW7) variant appears in model years 2019, 2020. Prices and availability differ by year.
Is there a price difference between 3.6L, 170 amp (opt KW7) condition grades?
Yes. Grade A has a median of $135, Grade B has a median of $88. Grade A parts are in excellent condition, B is good, and C is fair.