2020 Chevy Suburban alternator — 150 amp (opt KG4) price snapshot
- Low
- $40
- Average
- $159
- High
- $310
Year & trim-specific price guide
Used 2020 Chevy Suburban Alternator — 150 amp (opt KG4) prices
Trim-specific pricing for the 150 amp (opt KG4) variant of the 2020 Chevy Suburban alternator, built from 21 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 23, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price summary
A used 2020 Chevy Suburban alternator (150 amp (opt KG4)) costs $40 to $310, with a median asking price of $236. Based on 21 priced salvage yard listings across the US, updated Sep 23, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$236
Grade B (good)$236
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$31013 listings
Grade BStandard used$40–$2427 listings
Grade XUngraded$80–$801 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$310 | 13 | |
| Grade BStandard used | $40–$242 | 7 | |
| Grade XUngraded | $80–$80 | 1 |
Median by grade
Grade price comparison
Grade A$236
Grade B$236
Ungraded$80
Median asking price by seller-reported condition grade · $40–$310 overall range
Trim-specific context
How does the 150 amp (opt KG4) compare?
This pricing covers the 150 amp (opt KG4) variant of the 2020 Chevy Suburban alternator, based on 21 priced listings. Its $236 median is 154% above the 2020 Chevy Suburban alternator overall median of $93.
There is 1 other alternator variant available for the 2020 Chevy Suburban.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
150 amp (opt KG4) in other model years
Same year, other trims
What other 2020 Chevy Suburban alternator variants are available?
Back to full guide
2020 Chevy Suburban alternator — all trims
Common questions
2020 Chevy Suburban alternator (150 amp (opt KG4)) FAQ
How much is a used 2020 Chevy Suburban alternator (150 amp (opt KG4))?
Based on 21 priced salvage-yard listings, a used 2020 Chevy Suburban alternator in the 150 amp (opt KG4) variant lists between $40 and $310, with a median asking price of $236.
Which years use the 150 amp (opt KG4) alternator?
The 150 amp (opt KG4) variant appears in model years 2015, 2016, 2017, 2018, 2019, 2020. Prices and availability may differ by year.