2018 Jeep Wrangler alternator — VIN X (6th digit, JL body), (gasoline), 3.6L (opt ERC), 240 amp price snapshot
- Low
- $70
- Average
- $173
- High
- $345

Year & trim-specific price guide
A used 2018 Jeep Wrangler alternator (VIN X (6th digit, JL body), (gasoline), 3.6L (opt ERC), 240 amp) costs $70 to $345, with a median asking price of $193. Based on 50 priced salvage yard listings across the US, updated Aug 12, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $70–$249 | 34 | |
| Grade BStandard used | $75–$249 | 13 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $305–$345 | 3 |
Median by grade
Median asking price by seller-reported condition grade · $70–$345 overall range
Trim-specific context
This pricing covers the VIN X (6th digit, JL body), (gasoline), 3.6L (opt ERC), 240 amp variant of the 2018 Jeep Wrangler alternator, based on 50 priced listings. Its $193 median is 4% above the 2018 Jeep Wrangler alternator overall median of $185.
There are 4 other alternator variants available for the 2018 Jeep Wrangler.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
Back to full guide
Common questions
Based on 50 priced salvage-yard listings, a used 2018 Jeep Wrangler alternator in the VIN X (6th digit, JL body), (gasoline), 3.6L (opt ERC), 240 amp variant lists between $70 and $345, with a median asking price of $193.
In our current dataset, the VIN X (6th digit, JL body), (gasoline), 3.6L (opt ERC), 240 amp variant appears only for the 2018 model year.