2021 Chevy Silverado 1500 engine computer — Diesel Control, (beside 12v battery), (glow plug control) price snapshot
- Low
- $106
- Average
- $218
- High
- $287

Year & trim-specific price guide
A used 2021 Chevy Silverado 1500 engine computer (Diesel Control, (beside 12v battery), (glow plug control)) costs $106 to $287, with a median asking price of $228. Based on 39 priced salvage yard listings across the US, updated Aug 31, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $227–$266 | 12 | |
| Grade BStandard used | $106–$287 | 27 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $106–$287 overall range
Trim-specific context
This pricing covers the Diesel Control, (beside 12v battery), (glow plug control) variant of the 2021 Chevy Silverado 1500 engine computer, based on 39 priced listings. Its $228 median is 28% above the 2021 Chevy Silverado 1500 engine computer overall median of $178.
There are 6 other engine computer variants available for the 2021 Chevy Silverado 1500.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Same year, other trims
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Common questions
Based on 39 priced salvage-yard listings, a used 2021 Chevy Silverado 1500 engine computer in the Diesel Control, (beside 12v battery), (glow plug control) variant lists between $106 and $287, with a median asking price of $228.
The Diesel Control, (beside 12v battery), (glow plug control) variant appears in model years 2020, 2021, 2022. Prices and availability may differ by year.