2018 Toyota Tacoma alternator — 3.5L (6 cylinder, 2GRFKS engine), 100 amp price snapshot
- Low
- $50
- Average
- $119
- High
- $322

Year & trim-specific price guide
A used 2018 Toyota Tacoma alternator (3.5L (6 cylinder, 2GRFKS engine), 100 amp) costs $50 to $322, with a median asking price of $86. Based on 32 priced salvage yard listings across the US, updated Aug 2, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $60–$322 | 29 | |
| Grade BStandard used | $50–$100 | 2 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $100–$100 | 1 |
Median by grade
Median asking price by seller-reported condition grade · $50–$322 overall range
Trim-specific context
This pricing covers the 3.5L (6 cylinder, 2GRFKS engine), 100 amp variant of the 2018 Toyota Tacoma alternator, based on 32 priced listings. Its $86 median is 13% above the 2018 Toyota Tacoma alternator overall median of $76.
There are 2 other alternator variants available for the 2018 Toyota Tacoma.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
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Common questions
Based on 32 priced salvage-yard listings, a used 2018 Toyota Tacoma alternator in the 3.5L (6 cylinder, 2GRFKS engine), 100 amp variant lists between $50 and $322, with a median asking price of $86.
In our current dataset, the 3.5L (6 cylinder, 2GRFKS engine), 100 amp variant appears only for the 2018 model year.