Used GMC Sierra 1500 alternator – 170 amp (opt KW7), ID 13540926

Trim-specific price guide

GMC Sierra 1500 Alternator — 170 amp (opt KW7), ID 13540926 prices

Pricing for the 170 amp (opt KW7), ID 13540926 variant of the GMC Sierra 1500 alternator, aggregated from 137 salvage yard listings across 3 model years.

2022 GMC Sierra 1500 · 170 amp (opt KW7), ID 13540926

$123

median asking price

44 priced listings · $65–$159

Price summary

A used GMC Sierra 1500 alternator (170 amp (opt KW7), ID 13540926) costs $50 to $249, with a median asking price of $127. Based on 137 priced salvage yard listings across the US, updated Aug 20, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$150
Grade B (good)$90

GMC Sierra 1500 alternator — 170 amp (opt KW7), ID 13540926 price snapshot

USD
Low
$50
Average
$132
High
$249
137 priced listings across 3 model years· How we price·

Report incorrect price

Reporting price for GMC Sierra 1500 Alternator (170 amp (opt KW7), ID 13540926)

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$50–$249113 listings
Grade BStandard used$65–$20816 listings
Grade CVisible wearUpdating
Grade XUngraded$65–$1558 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $50–$249 overall range

Trim-specific context

How is the 170 amp (opt KW7), ID 13540926 priced differently?

This pricing covers the 170 amp (opt KW7), ID 13540926 variant of the GMC Sierra 1500 alternator, based on 137 priced listings across 3 model years (2022, 2023, 2024). Its $127 median is 9% above the GMC Sierra 1500 alternator overall median of $116.

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 170 amp (opt KW7), ID 13540926 cost by year?

202244 listings$123$65 – $159202344 listings$127$65 – $166202449 listings$165$50 – $249

Other trims

Other GMC Sierra 1500 alternator variants

Full Sierra 1500 guide

2.0L

1 yr$77$30 – $269

2.5L

1 yr$76$40 – $282

classic style (mirrors mount in window corner)

1 yr$65$40 – $130

new style (mirrors mount on door skin), 170 amp (opt KW7)

1 yr$77$40 – $231

new style (mirrors mount on door skin), 220 amp (opt KW5), ID 13527173

1 yr$86$50 – $271

new style (mirrors mount on door skin), 220 amp (opt KW5), ID 13529433

1 yr$80$40 – $271

new style (mirrors mount on door skin), 220 amp (opt KW5), ID 13531751

1 yr$86$50 – $271

new style (mirrors mount on door skin), 220 amp (opt KW5), ID 13534128

1 yr$86$50 – $271

new style (mirrors mount on door skin), 220 amp (opt KW5), ID 13534129

1 yr$98$50 – $246

Common questions

GMC Sierra 1500 alternator (170 amp (opt KW7), ID 13540926) FAQ

How much is a used GMC Sierra 1500 alternator (170 amp (opt KW7), ID 13540926)?

Based on 137 priced salvage-yard listings across 3 model years, a used GMC Sierra 1500 alternator in the 170 amp (opt KW7), ID 13540926 variant lists between $50 and $249, with a median asking price of $127.

Which GMC Sierra 1500 years use the 170 amp (opt KW7), ID 13540926 alternator?

The 170 amp (opt KW7), ID 13540926 variant appears in model years 2022, 2023, 2024. Prices and availability differ by year.

Is there a price difference between 170 amp (opt KW7), ID 13540926 condition grades?

Yes. Grade A has a median of $150, Grade B has a median of $90. Grade A parts are in excellent condition, B is good, and C is fair.