Chevy Impala alternator — VIN W (4th digit, Limited), 170 amp (opt KW7) price snapshot
- Low
- $40
- Average
- $103
- High
- $216
Trim-specific price guide
Chevy Impala Alternator — VIN W (4th digit, Limited), 170 amp (opt KW7) prices
Pricing for the VIN W (4th digit, Limited), 170 amp (opt KW7) variant of the Chevy Impala alternator, aggregated from 94 salvage yard listings across 2 model years.
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 updatedOct 27, 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 Chevy Impala alternator (VIN W (4th digit, Limited), 170 amp (opt KW7)) costs $40 to $216, with a median asking price of $80. Based on 94 priced salvage yard listings across the US, updated Oct 27, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$85
Grade B (good)$51
Grade C (fair)$45
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$21676 listings
Grade BStandard used$50–$856 listings
Grade CVisible wear$45–$452 listings
Grade XUngraded$40–$17610 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$216 | 76 | |
| Grade BStandard used | $50–$85 | 6 | |
| Grade CVisible wear | $45–$45 | 2 | |
| Grade XUngraded | $40–$176 | 10 |
Median by grade
Grade price comparison
Grade A$85
Grade B$51
Grade C$45
Ungraded$50
Median asking price by seller-reported condition grade · $40–$216 overall range
Trim-specific context
How is the VIN W (4th digit, Limited), 170 amp (opt KW7) priced differently?
This pricing covers the VIN W (4th digit, Limited), 170 amp (opt KW7) variant of the Chevy Impala alternator, based on 94 priced listings across 2 model years (2015, 2016). Its $80 median is 7% above the Chevy Impala alternator overall median of $75.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
What does a VIN W (4th digit, Limited), 170 amp (opt KW7) cost by year?
Other trims
Other Chevy Impala alternator variants
Common questions
Chevy Impala alternator (VIN W (4th digit, Limited), 170 amp (opt KW7)) FAQ
How much is a used Chevy Impala alternator (VIN W (4th digit, Limited), 170 amp (opt KW7))?
Based on 94 priced salvage-yard listings across 2 model years, a used Chevy Impala alternator in the VIN W (4th digit, Limited), 170 amp (opt KW7) variant lists between $40 and $216, with a median asking price of $80.
Which Chevy Impala years use the VIN W (4th digit, Limited), 170 amp (opt KW7) alternator?
The VIN W (4th digit, Limited), 170 amp (opt KW7) variant appears in model years 2015, 2016. Prices and availability differ by year.
Is there a price difference between VIN W (4th digit, Limited), 170 amp (opt KW7) condition grades?
Yes. Grade A has a median of $85, Grade B has a median of $51, Grade C has a median of $45. Grade A parts are in excellent condition, B is good, and C is fair.