2018 Chevy Suburban alternator — 150 amp (opt KG4) price snapshot
- Low
- $85
- Average
- $172
- High
- $205
Year & trim-specific price guide
Used 2018 Chevy Suburban Alternator — 150 amp (opt KG4) prices
Trim-specific pricing for the 150 amp (opt KG4) variant of the 2018 Chevy Suburban alternator, built from 13 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 19, 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 2018 Chevy Suburban alternator (150 amp (opt KG4)) costs $85 to $205, with a median asking price of $190. Based on 13 priced salvage yard listings across the US, updated Sep 19, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$190
Grade B (good)$190
USD
Condition comparison
Price by part grade
Grade AClean / low wear$85–$20512 listings
Grade BStandard used$190–$1901 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $85–$205 | 12 | |
| Grade BStandard used | $190–$190 | 1 |
Median by grade
Grade price comparison
Grade A$190
Grade B$190
Median asking price by seller-reported condition grade · $85–$205 overall range
Trim-specific context
How does the 150 amp (opt KG4) compare?
This pricing covers the 150 amp (opt KG4) variant of the 2018 Chevy Suburban alternator, based on 13 priced listings. Its $190 median is 24% above the 2018 Chevy Suburban alternator overall median of $153.
There is 1 other alternator variant available for the 2018 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 2018 Chevy Suburban alternator variants are available?
Back to full guide
2018 Chevy Suburban alternator — all trims
Common questions
2018 Chevy Suburban alternator (150 amp (opt KG4)) FAQ
How much is a used 2018 Chevy Suburban alternator (150 amp (opt KG4))?
Based on 13 priced salvage-yard listings, a used 2018 Chevy Suburban alternator in the 150 amp (opt KG4) variant lists between $85 and $205, with a median asking price of $190.
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.