2021 Hyundai Sonata engine computer — Electronic Control Module, (LH under hood), 2.5L, naturally aspirated, automatic engine stop and start, US built price snapshot
- Low
- $78
- Average
- $160
- High
- $246

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, US built) costs $78 to $246, with a median asking price of $150. Based on 11 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 | $78–$246 | 6 | |
| Grade BStandard used | $78–$246 | 5 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $78–$246 overall range
Trim-specific context
This pricing covers the Electronic Control Module, (LH under hood), 2.5L, naturally aspirated, automatic engine stop and start, US built variant of the 2021 Hyundai Sonata engine computer, based on 11 priced listings. Its $150 median is 12% 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 11 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, US built variant lists between $78 and $246, with a median asking price of $150.
In our current dataset, the Electronic Control Module, (LH under hood), 2.5L, naturally aspirated, automatic engine stop and start, US built variant appears only for the 2021 model year.