Used GMC Yukon alternator – 3.0L, 250 amp (opt KX4)

Trim-specific price guide

GMC Yukon Alternator — 3.0L, 250 amp (opt KX4) prices

Pricing for the 3.0L, 250 amp (opt KX4) variant of the GMC Yukon alternator, aggregated from 136 salvage yard listings across 3 model years.

2021 GMC Yukon · 3.0L, 250 amp (opt KX4)

$202

median asking price

45 priced listings · $75–$292

Price summary

A used GMC Yukon alternator (3.0L, 250 amp (opt KX4)) costs $75 to $292, with a median asking price of $202. Based on 136 priced salvage yard listings across the US, updated Sep 8, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$185
Grade B (good)$212

GMC Yukon alternator — 3.0L, 250 amp (opt KX4) price snapshot

USD
Low
$75
Average
$195
High
$292
136 priced listings across 3 model years· How we price·

Report incorrect price

Reporting price for GMC Yukon Alternator (3.0L, 250 amp (opt KX4))

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$120–$29284 listings
Grade BStandard used$95–$29250 listings
Grade CVisible wearUpdating
Grade XUngraded$75–$752 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $75–$292 overall range

Trim-specific context

How is the 3.0L, 250 amp (opt KX4) priced differently?

This pricing covers the 3.0L, 250 amp (opt KX4) variant of the GMC Yukon alternator, based on 136 priced listings across 3 model years (2021, 2022, 2025). Its $202 median is 35% above 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 3.0L, 250 amp (opt KX4) cost by year?

202145 listings$202$75 – $292202245 listings$202$75 – $292202546 listings$215$95 – $292

Other trims

Other GMC Yukon alternator variants

Full Yukon guide

3.0L (Type S)

1 yr$350$275 – $1,016

3.5L

1 yr$206$125 – $342

150 amp (opt KG4)

3 yrs$80$40 – $306

170 amp (opt KW7)

3 yrs$93$40 – $278

3.0L, 220 amp (opt KW5)

3 yrs$101$40 – $260

5.3L

5 yrs$125$40 – $271

6.2L

5 yrs$125$40 – $271

3.0L

2 yrs$215$125 – $323

Common questions

GMC Yukon alternator (3.0L, 250 amp (opt KX4)) FAQ

How much is a used GMC Yukon alternator (3.0L, 250 amp (opt KX4))?

Based on 136 priced salvage-yard listings across 3 model years, a used GMC Yukon alternator in the 3.0L, 250 amp (opt KX4) variant lists between $75 and $292, with a median asking price of $202.

Which GMC Yukon years use the 3.0L, 250 amp (opt KX4) alternator?

The 3.0L, 250 amp (opt KX4) variant appears in model years 2021, 2022, 2025. Prices and availability differ by year.

Is there a price difference between 3.0L, 250 amp (opt KX4) condition grades?

Yes. Grade A has a median of $185, Grade B has a median of $212. Grade A parts are in excellent condition, B is good, and C is fair.