GMC Sierra 1500 engine computer — Electronic Control Module, (LH front engine compartment), 3.0L price snapshot
- Low
- $61
- Average
- $169
- High
- $440

Trim-specific price guide
A used GMC Sierra 1500 engine computer (Electronic Control Module, (LH front engine compartment), 3.0L) costs $61 to $440, with a median asking price of $150. Based on 163 priced salvage yard listings across the US, updated Sep 8, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$440 | 97 | |
| Grade BStandard used | $61–$341 | 58 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $76–$400 | 8 |
Median by grade
Median asking price by seller-reported condition grade · $61–$440 overall range
Trim-specific context
This pricing covers the Electronic Control Module, (LH front engine compartment), 3.0L variant of the GMC Sierra 1500 engine computer, based on 163 priced listings across 5 model years (2020, 2021, 2023, 2024, 2025). Its $150 median is 0% above the GMC Sierra 1500 engine computer overall median of $150.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 163 priced salvage-yard listings across 5 model years, a used GMC Sierra 1500 engine computer in the Electronic Control Module, (LH front engine compartment), 3.0L variant lists between $61 and $440, with a median asking price of $150.
The Electronic Control Module, (LH front engine compartment), 3.0L variant appears in model years 2020, 2021, 2023, 2024, 2025. Prices and availability differ by year.
Yes. Grade A has a median of $151, Grade B has a median of $156. Grade A parts are in excellent condition, B is good, and C is fair.