2020 GMC Sierra 1500 engine computer — Diesel Control, (beside 12v battery), (glow plug control) price snapshot
- Low
- $50
- Average
- $176
- High
- $275
Year & trim-specific price guide
Used 2020 GMC Sierra 1500 Engine Computer — Diesel Control, (beside 12v battery), (glow plug control) prices
Trim-specific pricing for the Diesel Control, (beside 12v battery), (glow plug control) variant of the 2020 GMC Sierra 1500 engine computer, built from 41 real salvage yard listings with condition grade detail.
Price summary
A used 2020 GMC Sierra 1500 engine computer (Diesel Control, (beside 12v battery), (glow plug control)) costs $50 to $275, with a median asking price of $160. Based on 41 priced salvage yard listings across the US, updated Aug 26, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$227
Grade B (good)$160
USD
Condition comparison
Price by part grade
Grade AClean / low wear$95–$23717 listings
Grade BStandard used$50–$27523 listings
Grade CVisible wearUpdating
Grade XUngraded$95–$951 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $95–$237 | 17 | |
| Grade BStandard used | $50–$275 | 23 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $95–$95 | 1 |
Median by grade
Grade price comparison
Grade A$227
Grade B$160
Ungraded$95
Median asking price by seller-reported condition grade · $50–$275 overall range
Trim-specific context
How does the Diesel Control, (beside 12v battery), (glow plug control) compare?
This pricing covers the Diesel Control, (beside 12v battery), (glow plug control) variant of the 2020 GMC Sierra 1500 engine computer, based on 41 priced listings. Its $160 median is 1% below the 2020 GMC Sierra 1500 engine computer overall median of $161.
There are 5 other engine computer variants available for the 2020 GMC Sierra 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
Diesel Control, (beside 12v battery), (glow plug control) in other model years
Same year, other trims
What other 2020 GMC Sierra 1500 engine computer variants are available?
Electronic Control Module, (LH front engine compartment), 3.0L
45 listings$150$76 – $305Electronic Control Module, (LH front engine compartment), 5.3L
41 listings$161$75 – $247Electronic Control Module, (LH front engine compartment), 6.2L
41 listings$161$75 – $247Electronic Control Module, (LH front engine compartment), 2.7L
36 listings$161$65 – $285Electronic Control Module, (LH front engine compartment), 4.3L
24 listings$161$55 – $325Back to full guide
2020 GMC Sierra 1500 engine computer — all trims
Common questions
2020 GMC Sierra 1500 engine computer (Diesel Control, (beside 12v battery), (glow plug control)) FAQ
How much is a used 2020 GMC Sierra 1500 engine computer (Diesel Control, (beside 12v battery), (glow plug control))?
Based on 41 priced salvage-yard listings, a used 2020 GMC Sierra 1500 engine computer in the Diesel Control, (beside 12v battery), (glow plug control) variant lists between $50 and $275, with a median asking price of $160.
Which years use the Diesel Control, (beside 12v battery), (glow plug control) engine computer?
The Diesel Control, (beside 12v battery), (glow plug control) variant appears in model years 2020, 2021, 2022. Prices and availability may differ by year.