2021 Hyundai Sonata engine computer — Electronic Control Module, (LH under hood), 2.5L, naturally aspirated, automatic engine stop and start, Korea built price snapshot
- Low
- $115
- Average
- $194
- High
- $309

Year & trim-specific price guide
A used 2021 Hyundai Sonata engine computer (Electronic Control Module, (LH under hood), 2.5L, naturally aspirated, automatic engine stop and start, Korea built) costs $115 to $309, with a median asking price of $163. Based on 13 priced salvage yard listings across the US, updated Aug 27, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $115–$309 | 12 | |
| Grade BStandard used | $120–$120 | 1 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $115–$309 overall range
Trim-specific context
This pricing covers the Electronic Control Module, (LH under hood), 2.5L, naturally aspirated, automatic engine stop and start, Korea built variant of the 2021 Hyundai Sonata engine computer, based on 13 priced listings. Its $163 median is 4% below the 2021 Hyundai Sonata engine computer overall median of $170.
There are 8 other engine computer variants available for the 2021 Hyundai Sonata.
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 13 priced salvage-yard listings, a used 2021 Hyundai Sonata engine computer in the Electronic Control Module, (LH under hood), 2.5L, naturally aspirated, automatic engine stop and start, Korea built variant lists between $115 and $309, with a median asking price of $163.
In our current dataset, the Electronic Control Module, (LH under hood), 2.5L, naturally aspirated, automatic engine stop and start, Korea built variant appears only for the 2021 model year.