2018 Chevy Impala alternator price snapshot
- Low
- $40
- Average
- $106
- High
- $252
Year-specific price guide
Used 2018 Chevy Impala Alternator prices
Year-specific used alternator pricing for the 2018 Chevy Impala, built from real salvage yard and junkyard listings with condition grade and fitment 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 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.
Part overview
About the 2018 Chevy Impala alternator
A used 2018 Chevy Impala alternator costs between $40 and $252, with a median of $75 from 66 salvage yard listings.
What the alternator does, common failure signs, and prices across all vehicles: used alternator price guide →
Price summary
A used 2018 Chevy Impala alternator costs $40 to $252, with a median asking price of $75. Based on 66 priced salvage yard listings across the US, compatible across 2013–2021 (9 model years), updated Oct 27, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$85
Grade B (good)$105
Grade C (fair)$100
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$21335 listings
Grade BStandard used$40–$25220 listings
Grade CVisible wear$65–$1002 listings
Grade XUngraded$45–$759 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$213 | 35 | |
| Grade BStandard used | $40–$252 | 20 | |
| Grade CVisible wear | $65–$100 | 2 | |
| Grade XUngraded | $45–$75 | 9 |
Median by grade
Grade price comparison
Grade A$85
Grade B$105
Grade C$100
Ungraded$50
Median asking price by seller-reported condition grade · $40–$252 overall range
Replacement cost
What is the 2018 Chevy Impala alternator replacement cost?
- Used part
- $75
- 2018 Chevy Impala median asking price
- Labor
- $95–$375
- 1–2.5 hours at $95–$150/hr
- Estimated total
- $170–$450
- median used part + labor
Labor is a typical independent-shop range for alternator replacement, not a quote for your vehicle. The part price is the live median from the salvage-yard listings on this page. Full alternator replacement cost breakdown
Fitment matters
Price by trim & variant
Year-specific context
How does the 2018 Chevy Impala compare?
The 2018 guide is based on 100 observed listings, including 66 with posted prices. Its $75 median is 0% above the Chevy Impala guide's $75 median.
Among the 5 model years with current price data, 2018 ranks #1 from lowest to highest median.
Interchange data shows this part is also listed under model years 2013, 2014, 2015, 2016, 2017, 2019, 2020, 2021. Shopping across all 9 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a Chevy Impala alternator cost in other years?
Keep browsing this vehicle
What other Chevy Impala parts are priced?
01wide ±199%
AC Compressor
$110median
$25$462
02wide ±153%
ABS Module
$100median
$39$345
03wide ±228%
Air Bag
$139median
$35$670
04wide ±116%
Axle Shaft
$100median
$18$249
05spread ±29%
Blower Motor
$60median
$30$65
06wide ±191%
Brake Caliper
$60median
$20$249
07wide ±112%
Rear Bumper Assembly
$350median
$95$881
08wide ±155%
Front Bumper
$431median
$88$1,426
09wide ±121%
Rear Bumper
$245median
$95$686
10wide ±139%
Car Radio
$133median
$25$395
11wide ±126%
Center Console
$143median
$35$395
12spread ±33%
AC Condenser
$75median
$60$110
13wide ±99%
Control Arm
$50median
$40$139
14
Differential
Price data updating
15wide ±84%
Door Assembly
$339median
$99$667
16wide ±75%
Drive Shaft
$260median
$60$450
17wide ±124%
Engine
$595median
$245$1,724
18spread ±22%
Engine Computer
$146median
$111$175
19wide ±159%
Exhaust Manifold
$71median
$24$250
20wide ±103%
Fender
$195median
$50$452
21wide ±107%
Fog Light
$115median
$30$275
22wide ±123%
Front Seat
$143median
$30$382
23wide ±131%
Fuel Pump
$75median
$34$230
24wide ±177%
Fuel Tank
$125median
$30$473
25wide ±286%
Grille
$125median
$21$736
26wide ±145%
Headlight Assembly
$484median
$99$1,500
27
Heater Core
Price data updating
28wide ±66%
Hood
$414median
$150$694
29wide ±114%
Ignition Switch
$99median
$29$254
30
Instrument Cluster
Price data updating
31wide ±162%
Intake Manifold
$70median
$35$262
32tight ±1%
Master Cylinder
$50median
$50$51
33wide ±148%
Side Mirror
$142median
$35$455
34wide ±106%
Power Steering Pump
$85median
$35$216
35wide ±93%
Quarter Panel
$300median
$200$755
36wide ±90%
Radiator
$159median
$40$325
37
Rear View Mirror
$103median
$103$103
38wide ±76%
Starter
$75median
$50$164
39wide ±149%
Steering Column
$125median
$40$413
40wide ±121%
Steering Rack
$125median
$45$348
41wide ±106%
Steering Wheel
$118median
$35$285
42wide ±185%
Strut
$65median
$30$270
43wide ±114%
Sunroof
$195median
$50$495
44wide ±114%
Tail Light
$94median
$35$249
45wide ±121%
Tailgate
$235median
$40$608
46wide ±109%
Throttle Body
$78median
$35$205
47spread ±56%
Torque Converter
$200median
$150$375
48
Transfer Case
Price data updating
49wide ±107%
Transmission
$1,598median
$330$3,734
50wide ±147%
Transmission Control Module
$130median
$24$405
51
Turbocharger
Price data updating
52spread ±35%
Water Pump
$50median
$30$65
53wide ±179%
Wheels
$159median
$30$600
54wide ±125%
Window Regulator
$85median
$24$237
Common questions
2018 Chevy Impala alternator FAQ
How much is a used 2018 Chevy Impala alternator?
Based on 66 priced salvage-yard listings, a used 2018 Chevy Impala alternator lists between $40 and $252, with a median asking price of $75.
How much does it cost to replace a 2018 Chevy Impala alternator?
Using a used part, a 2018 Chevy Impala alternator replacement typically runs $170–$450 all-in: the median used alternator for this year lists at $75, and independent-shop labor for alternator replacement typically takes 1–2.5 hours at $95–$150/hr ($95–$375). Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2018 Chevy Impala alternator fit another year?
Based on salvage-yard interchange data, listings for the 2018 Chevy Impala alternator also appear under model years 2013, 2014, 2015, 2016, 2017, 2019, 2020, 2021, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.