Used 2020 GMC Yukon alternator – 170 amp (opt KW7)

Year & trim-specific price guide

Used 2020 GMC Yukon Alternator170 amp (opt KW7) prices

Trim-specific pricing for the 170 amp (opt KW7) variant of the 2020 GMC Yukon alternator, built from 30 real salvage yard listings with condition grade detail.
Price summary

A used 2020 GMC Yukon alternator (170 amp (opt KW7)) costs $40 to $278, with a median asking price of $93. Based on 30 priced salvage yard listings across the US, updated Aug 3, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$75
Grade B (good)$153

2020 GMC Yukon alternator — 170 amp (opt KW7) price snapshot

USD
Low
$40
Average
$116
High
$278
30 priced listings used · last updated Aug 3, 2026· How we price·

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Reporting price for 2020 GMC Yukon Alternator (170 amp (opt KW7))

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$40$16615 listings
Grade BStandard used$56$27812 listings
Grade CVisible wearUpdating
Grade XUngraded$40$1503 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $40$278 overall range

Trim-specific context

How does the 170 amp (opt KW7) compare?

This pricing covers the 170 amp (opt KW7) variant of the 2020 GMC Yukon alternator, based on 30 priced listings. Its $93 median is 9% above the 2020 GMC Yukon alternator overall median of $85.

There is 1 other alternator variant available for the 2020 GMC Yukon.

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

Same trim, other years

170 amp (opt KW7) in other model years

Same year, other trims

What other 2020 GMC Yukon alternator variants are available?

Back to full guide

2020 GMC Yukon alternator — all trims

Common questions

2020 GMC Yukon alternator (170 amp (opt KW7)) FAQ

How much is a used 2020 GMC Yukon alternator (170 amp (opt KW7))?

Based on 30 priced salvage-yard listings, a used 2020 GMC Yukon alternator in the 170 amp (opt KW7) variant lists between $40 and $278, with a median asking price of $93.

Which years use the 170 amp (opt KW7) alternator?

The 170 amp (opt KW7) variant appears in model years 2018, 2019, 2020. Prices and availability may differ by year.