2021 GMC Sierra 1500 engine computer — Electronic Control Module, (LH front engine compartment), 4.3L price snapshot
- Low
- $41
- Average
- $147
- High
- $327
Year & trim-specific price guide
Used 2021 GMC Sierra 1500 Engine Computer — Electronic Control Module, (LH front engine compartment), 4.3L prices
Trim-specific pricing for the Electronic Control Module, (LH front engine compartment), 4.3L variant of the 2021 GMC Sierra 1500 engine computer, built from 47 real salvage yard listings with condition grade detail.
Price summary
A used 2021 GMC Sierra 1500 engine computer (Electronic Control Module, (LH front engine compartment), 4.3L) costs $41 to $327, with a median asking price of $150. Based on 47 priced salvage yard listings across the US, updated Aug 31, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$110
Grade B (good)$172
Grade C (fair)$150
USD
Condition comparison
Price by part grade
Grade AClean / low wear$45–$23322 listings
Grade BStandard used$41–$32723 listings
Grade CVisible wear$150–$1501 listings
Grade XUngraded$150–$1501 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $45–$233 | 22 | |
| Grade BStandard used | $41–$327 | 23 | |
| Grade CVisible wear | $150–$150 | 1 | |
| Grade XUngraded | $150–$150 | 1 |
Median by grade
Grade price comparison
Grade A$110
Grade B$172
Grade C$150
Ungraded$150
Median asking price by seller-reported condition grade · $41–$327 overall range
Trim-specific context
How does the Electronic Control Module, (LH front engine compartment), 4.3L compare?
This pricing covers the Electronic Control Module, (LH front engine compartment), 4.3L variant of the 2021 GMC Sierra 1500 engine computer, based on 47 priced listings. Its $150 median is 6% below the 2021 GMC Sierra 1500 engine computer overall median of $160.
There are 7 other engine computer variants available for the 2021 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
Electronic Control Module, (LH front engine compartment), 4.3L in other model years
Same year, other trims
What other 2021 GMC Sierra 1500 engine computer variants are available?
Electronic Control Module, (LH front engine compartment), 3.0L
48 listings$145$61 – $440Diesel Control, (beside 12v battery), (glow plug control)
48 listings$146$50 – $322Electronic Control Module, (LH front engine compartment), 2.7L
47 listings$160$50 – $250Electronic Control Module, (LH front engine compartment), 5.3L, ID 12711867
47 listings$150$41 – $327Electronic Control Module, (LH front engine compartment), 6.2L, ID 12711867
47 listings$150$41 – $327Electronic Control Module, (LH front engine compartment), 5.3L, ID 12711852
36 listings$204$71 – $204Electronic Control Module, (LH front engine compartment), 6.2L, ID 12711852
36 listings$204$71 – $204Back to full guide
2021 GMC Sierra 1500 engine computer — all trims
Common questions
2021 GMC Sierra 1500 engine computer (Electronic Control Module, (LH front engine compartment), 4.3L) FAQ
How much is a used 2021 GMC Sierra 1500 engine computer (Electronic Control Module, (LH front engine compartment), 4.3L)?
Based on 47 priced salvage-yard listings, a used 2021 GMC Sierra 1500 engine computer in the Electronic Control Module, (LH front engine compartment), 4.3L variant lists between $41 and $327, with a median asking price of $150.
Which years use the Electronic Control Module, (LH front engine compartment), 4.3L engine computer?
The Electronic Control Module, (LH front engine compartment), 4.3L variant appears in model years 2020, 2021. Prices and availability may differ by year.