Toyota 4Runner alternator — (4.0L, 1GRFE engine, 6 cylinder), 100 amp price snapshot
- Low
- $30
- Average
- $148
- High
- $384

Trim-specific price guide
A used Toyota 4Runner alternator ((4.0L, 1GRFE engine, 6 cylinder), 100 amp) costs $30 to $384, with a median asking price of $87. Based on 253 priced salvage yard listings across the US, updated Sep 12, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $30–$384 | 184 | |
| Grade BStandard used | $30–$298 | 47 | |
| Grade CVisible wear | $30–$30 | 2 | |
| Grade XUngraded | $30–$115 | 20 |
Median by grade
Median asking price by seller-reported condition grade · $30–$384 overall range
Trim-specific context
This pricing covers the (4.0L, 1GRFE engine, 6 cylinder), 100 amp variant of the Toyota 4Runner alternator, based on 253 priced listings across 7 model years (2016, 2017, 2018, 2019, 2020, 2021, 2022). Its $87 median is 45% below the Toyota 4Runner alternator overall median of $158.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 253 priced salvage-yard listings across 7 model years, a used Toyota 4Runner alternator in the (4.0L, 1GRFE engine, 6 cylinder), 100 amp variant lists between $30 and $384, with a median asking price of $87.
The (4.0L, 1GRFE engine, 6 cylinder), 100 amp variant appears in model years 2016, 2017, 2018, 2019, 2020, 2021, 2022. Prices and availability differ by year.
Yes. Grade A has a median of $95, Grade B has a median of $239, Grade C has a median of $30. Grade A parts are in excellent condition, B is good, and C is fair.