2020 Ford Mustang engine computer — Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA price snapshot
- Low
- $80
- Average
- $232
- High
- $395
Year & trim-specific price guide
Used 2020 Ford Mustang Engine Computer — Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA prices
Trim-specific pricing for the Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA variant of the 2020 Ford Mustang engine computer, built from 43 real salvage yard listings with condition grade detail.
Price summary
A used 2020 Ford Mustang engine computer (Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA) costs $80 to $395, with a median asking price of $214. Based on 43 priced salvage yard listings across the US, updated Aug 22, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$314
Grade B (good)$186
Grade C (fair)$80
USD
Condition comparison
Price by part grade
Grade AClean / low wear$141–$36624 listings
Grade BStandard used$100–$39518 listings
Grade CVisible wear$80–$801 listings
Grade XUngradedUpdating
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $141–$366 | 24 | |
| Grade BStandard used | $100–$395 | 18 | |
| Grade CVisible wear | $80–$80 | 1 | |
| Grade XUngraded | Updating | — |
Median by grade
Grade price comparison
Grade A$314
Grade B$186
Grade C$80
Median asking price by seller-reported condition grade · $80–$395 overall range
Trim-specific context
How does the Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA compare?
This pricing covers the Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA variant of the 2020 Ford Mustang engine computer, based on 43 priced listings. Its $214 median is 9% above the 2020 Ford Mustang engine computer overall median of $197.
There are 7 other engine computer variants available for the 2020 Ford Mustang.
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, Shelby GT350, ID FR3A-12B684-EUA in other model years
Same year, other trims
What other 2020 Ford Mustang engine computer variants are available?
Electronic Control Module, GT, MT
48 listings$256$100 – $480Electronic Control Module, Bullitt
48 listings$256$100 – $480Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA
47 listings$197$70 – $405Electronic Control Module, EcoBoost, MT
46 listings$166$69 – $395Electronic Control Module, GT, AT
37 listings$175$70 – $325Electronic Control Module, EcoBoost, AT
33 listings$116$65 – $300Electronic Control Module, Shelby GT500
9 listings$650$450 – $662Back to full guide
2020 Ford Mustang engine computer — all trims
Common questions
2020 Ford Mustang engine computer (Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA) FAQ
How much is a used 2020 Ford Mustang engine computer (Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA)?
Based on 43 priced salvage-yard listings, a used 2020 Ford Mustang engine computer in the Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA variant lists between $80 and $395, with a median asking price of $214.
Which years use the Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA engine computer?
The Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA variant appears in model years 2018, 2019, 2020. Prices and availability may differ by year.