Used 2020 GMC Acadia alternator – 3.6L, 170 amp (opt KW7)

Year & trim-specific price guide

Used 2020 GMC Acadia Alternator3.6L, 170 amp (opt KW7) prices

Trim-specific pricing for the 3.6L, 170 amp (opt KW7) variant of the 2020 GMC Acadia alternator, built from 49 real salvage yard listings with condition grade detail.
Price summary

A used 2020 GMC Acadia alternator (3.6L, 170 amp (opt KW7)) costs $40 to $310, with a median asking price of $86. Based on 49 priced salvage yard listings across the US, updated Sep 12, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$86
Grade B (good)$88

2020 GMC Acadia alternator — 3.6L, 170 amp (opt KW7) price snapshot

USD
Low
$40
Average
$114
High
$310
49 priced listings used · last updated Sep 12, 2026· How we price·

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Reporting price for 2020 GMC Acadia Alternator (3.6L, 170 amp (opt KW7))

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$40$29732 listings
Grade BStandard used$55$31015 listings
Grade CVisible wearUpdating
Grade XUngraded$75$1002 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $40$310 overall range

Trim-specific context

How does the 3.6L, 170 amp (opt KW7) compare?

This pricing covers the 3.6L, 170 amp (opt KW7) variant of the 2020 GMC Acadia alternator, based on 49 priced listings. Its $86 median is 4% below the 2020 GMC Acadia alternator overall median of $90.

There are 3 other alternator variants available for the 2020 GMC Acadia.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Same trim, other years

3.6L, 170 amp (opt KW7) in other model years

Same year, other trims

What other 2020 GMC Acadia alternator variants are available?

Back to full guide

2020 GMC Acadia alternator — all trims

Common questions

2020 GMC Acadia alternator (3.6L, 170 amp (opt KW7)) FAQ

How much is a used 2020 GMC Acadia alternator (3.6L, 170 amp (opt KW7))?

Based on 49 priced salvage-yard listings, a used 2020 GMC Acadia alternator in the 3.6L, 170 amp (opt KW7) variant lists between $40 and $310, with a median asking price of $86.

Which 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 may differ by year.