2020 GMC Sierra 1500 alternator — 220 amp (opt KW5), ID 13529433 price snapshot
- Low
- $45
- Average
- $97
- High
- $395

Year & trim-specific price guide
A used 2020 GMC Sierra 1500 alternator (220 amp (opt KW5), ID 13529433) costs $45 to $395, with a median asking price of $81. Based on 41 priced salvage yard listings across the US, updated Aug 3, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $52–$153 | 29 | |
| Grade BStandard used | $45–$395 | 9 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $52–$100 | 3 |
Median by grade
Median asking price by seller-reported condition grade · $45–$395 overall range
Trim-specific context
This pricing covers the 220 amp (opt KW5), ID 13529433 variant of the 2020 GMC Sierra 1500 alternator, based on 41 priced listings. Its $81 median is 10% below the 2020 GMC Sierra 1500 alternator overall median of $90.
There are 6 other alternator variants available for the 2020 GMC Sierra 1500.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
Back to full guide
Common questions
Based on 41 priced salvage-yard listings, a used 2020 GMC Sierra 1500 alternator in the 220 amp (opt KW5), ID 13529433 variant lists between $45 and $395, with a median asking price of $81.
In our current dataset, the 220 amp (opt KW5), ID 13529433 variant appears only for the 2020 model year.