Used GMC Yukon alternator – 150 amp (opt KG4)

Trim-specific price guide

GMC Yukon Alternator150 amp (opt KG4) prices

Pricing for the 150 amp (opt KG4) variant of the GMC Yukon alternator, aggregated from 112 salvage yard listings across 3 model years.
Price summary

A used GMC Yukon alternator (150 amp (opt KG4)) costs $40 to $306, with a median asking price of $80. Based on 112 priced salvage yard listings across the US, updated Sep 8, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$100
Grade B (good)$236
Grade C (fair)$55

GMC Yukon alternator — 150 amp (opt KG4) price snapshot

USD
Low
$40
Average
$133
High
$306
112 priced listings across 3 model years· How we price·

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Reporting price for GMC Yukon Alternator (150 amp (opt KG4))

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Condition comparison

Price by part grade

Grade AClean / low wear$40$30675 listings
Grade BStandard used$40$24916 listings
Grade CVisible wear$55$551 listings
Grade XUngraded$65$10020 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $40$306 overall range

Trim-specific context

How is the 150 amp (opt KG4) priced differently?

This pricing covers the 150 amp (opt KG4) variant of the GMC Yukon alternator, based on 112 priced listings across 3 model years (2018, 2019, 2020). Its $80 median is 47% 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 150 amp (opt KG4) cost by year?

Other trims

Other GMC Yukon alternator variants

Common questions

GMC Yukon alternator (150 amp (opt KG4)) FAQ

How much is a used GMC Yukon alternator (150 amp (opt KG4))?

Based on 112 priced salvage-yard listings across 3 model years, a used GMC Yukon alternator in the 150 amp (opt KG4) variant lists between $40 and $306, with a median asking price of $80.

Which GMC Yukon years use the 150 amp (opt KG4) alternator?

The 150 amp (opt KG4) variant appears in model years 2018, 2019, 2020. Prices and availability differ by year.

Is there a price difference between 150 amp (opt KG4) condition grades?

Yes. Grade A has a median of $100, Grade B has a median of $236, Grade C has a median of $55. Grade A parts are in excellent condition, B is good, and C is fair.