Model year / 2020

Used 2020 GMC Sierra 1500 Alternator prices

Year-specific used alternator pricing for the 2020 GMC Sierra 1500, built from real salvage yard and junkyard listings with condition grade and fitment detail.

A used 2020 GMC Sierra 1500 alternator costs $40 to $395, with a median asking price of $90. Based on 306 priced salvage yard listings across the US, updated Aug 3, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent): $90Grade B (good): $90Grade C (fair): $80

Listings reviewed
350
Observed range
$40–$395
Last updated
Aug 3, 2026

Low → high

2020 GMC Sierra 1500 alternator price range

USD / LISTING
Low$40
High$395

2020 price snapshot

USD
Low
$40
Average
$116
High
$395

Condition comparison

Price by part grade

GradePrice rangeRelative rangeListings
Grade AClean / low wear$49–$297
153
Grade BStandard used$40–$395
128
Grade CVisible wear$80–$80
1
Grade XUngraded$45–$150
24

Fitment matters

Price by trim & variant

  • 220 amp (opt KW5), ID 13534129

    47 priced listings

    $45–$330

    Median$130

  • 220 amp (opt KW5), ID 13539728

    47 priced listings

    $40–$298

    Median$75

  • 220 amp (opt KW5), ID 13527173

    43 priced listings

    $49–$303

    Median$100

  • 220 amp (opt KW5), ID 13531751

    43 priced listings

    $49–$303

    Median$100

  • 220 amp (opt KW5), ID 13534128

    43 priced listings

    $49–$303

    Median$100

  • 170 amp (opt KW7)

    42 priced listings

    $50–$311

    Median$86

  • 220 amp (opt KW5), ID 13529433

    41 priced listings

    $45–$395

    Median$81

Year-specific context

How does the 2020 GMC Sierra 1500 compare?

The 2020 guide is based on 350 observed listings, including 306 with posted prices. Its $90 median is 0% above the GMC Sierra 1500 guide's $90 median.

Among the 1 model years with current price data, 2020 ranks #1 from lowest to highest median.

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

Common questions

2020 GMC Sierra 1500 alternator FAQ

How much is a used 2020 GMC Sierra 1500 alternator?

Based on 306 priced salvage-yard listings, a used 2020 GMC Sierra 1500 alternator lists between $40 and $395, with a median asking price of $90.

Will a 2020 GMC Sierra 1500 alternator fit another year?

This price guide does not confirm interchangeability. Check the seller's part number, drivetrain, trim or variant, and your VIN before buying; parts from the same model can use different fitments in the same year.