Year & trim-specific price guide

Used 2017 Chevy Suburban Alternator — 170 amp (opt KW7), ID 84143540 prices

Trim-specific pricing for the 170 amp (opt KW7), ID 84143540 variant of the 2017 Chevy Suburban alternator, built from 31 real salvage yard listings with condition grade detail.

2017 Chevy Suburban · 170 amp (opt KW7), ID 84143540

$86

median asking price

31 priced listings · $40–$316

Price summary

A used 2017 Chevy Suburban alternator (170 amp (opt KW7), ID 84143540) costs $40 to $316, with a median asking price of $86. Based on 31 priced salvage yard listings across the US, updated Sep 11, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$71

Grade B (good)$193

2017 Chevy Suburban alternator — 170 amp (opt KW7), ID 84143540 price snapshot

USD

Low: $40
Average: $116
High: $316

31 priced listings used · last updated Sep 11, 2026· How we price·

Condition comparison

Price by part grade

Grade AClean / low wear$40–$31615 listings

Grade BStandard used$56–$28012 listings

Grade CVisible wearUpdating

Grade XUngraded$40–$1504 listings

Grade	Price range	Listings
Grade AClean / low wear	$40–$316	15
Grade BStandard used	$56–$280	12
Grade CVisible wear	Updating	—
Grade XUngraded	$40–$150	4

Median by grade

Grade price comparison

Grade A$71

Grade B$193

Ungraded$150

Median asking price by seller-reported condition grade · $40–$316 overall range

Trim-specific context

How does the 170 amp (opt KW7), ID 84143540 compare?

This pricing covers the 170 amp (opt KW7), ID 84143540 variant of the 2017 Chevy Suburban alternator, based on 31 priced listings. Its $86 median is 1% above the 2017 Chevy Suburban alternator overall median of $85.

There are 2 other alternator variants available for the 2017 Chevy Suburban.

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

Same year, other trims

What other 2017 Chevy Suburban alternator variants are available?

170 amp (opt KW7), ID 22949467

35 listings$86$40 – $310

150 amp (opt KG4)

27 listings$76$65 – $191

Back to full guide

2017 Chevy Suburban alternator — all trims

View 2017 guide

Common questions

2017 Chevy Suburban alternator (170 amp (opt KW7), ID 84143540) FAQ

How much is a used 2017 Chevy Suburban alternator (170 amp (opt KW7), ID 84143540)?

Based on 31 priced salvage-yard listings, a used 2017 Chevy Suburban alternator in the 170 amp (opt KW7), ID 84143540 variant lists between $40 and $316, with a median asking price of $86.

Which years use the 170 amp (opt KW7), ID 84143540 alternator?

In our current dataset, the 170 amp (opt KW7), ID 84143540 variant appears only for the 2017 model year.