2017 Ford Mustang engine computer — Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA price snapshot
- Low
- $75
- Average
- $204
- High
- $400
Year & trim-specific price guide
Used 2017 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 2017 Ford Mustang engine computer, built from 44 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 21, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price summary
A used 2017 Ford Mustang engine computer (Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA) costs $75 to $400, with a median asking price of $186. Based on 44 priced salvage yard listings across the US, updated Oct 21, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$270
Grade B (good)$154
Grade C (fair)$80
USD
Condition comparison
Price by part grade
Grade AClean / low wear$75–$40022 listings
Grade BStandard used$99–$25521 listings
Grade CVisible wear$80–$801 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$400 | 22 | |
| Grade BStandard used | $99–$255 | 21 | |
| Grade CVisible wear | $80–$80 | 1 |
Median by grade
Grade price comparison
Grade A$270
Grade B$154
Grade C$80
Median asking price by seller-reported condition grade · $75–$400 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 2017 Ford Mustang engine computer, based on 44 priced listings. Its $186 median is 8% above the 2017 Ford Mustang engine computer overall median of $173.
There are 23 other engine computer variants available for the 2017 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 2017 Ford Mustang engine computer variants are available?
Electronic Control Module, EcoBoost, ID FR3A-12A650-CHG
49 listings$158$55 – $275Electronic Control Module, EcoBoost, ID FR3A-12A650-EANP
48 listings$172$50 – $272Electronic Control Module, EcoBoost, ID FR3A-12B684-EA
48 listings$172$50 – $272Electronic Control Module, GT, ID FR3A-12A650-CLA
47 listings$190$61 – $249Electronic Control Module, GT, ID FR3A-12A650-CLB
47 listings$190$61 – $249Electronic Control Module, GT, ID FR3A-12B684-CLB
47 listings$190$61 – $249Electronic Control Module, Base (V6), ID FL3A-12A650-CA
46 listings$146$51 – $175Electronic Control Module, Base (V6), ID FL3A-12B684-BEA
46 listings$146$51 – $175Electronic Control Module, Base (V6), ID FL3A-12B684-BEB
46 listings$146$51 – $175Electronic Control Module, Base (V6), ID FR3A-12B684-EUA
44 listings$186$75 – $400Electronic Control Module, EcoBoost, ID FR3A-12A650-DYC
44 listings$180$55 – $325Electronic Control Module, GT, ID FR3A-12B684-EUA
44 listings$186$75 – $400Electronic Control Module, Base (V6), ID FR3A-12A650-DRA
43 listings$214$75 – $338Electronic Control Module, Base (V6), ID FR3A-12B684-DRA
43 listings$214$75 – $338Electronic Control Module, GT, ID FR3A-12A650-DRA
43 listings$214$75 – $338Electronic Control Module, GT, ID FR3A-12B684-DRA
43 listings$214$75 – $338Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA
43 listings$214$75 – $338Electronic Control Module, EcoBoost, ID FR3A-12A650-DZC
41 listings$125$60 – $282Electronic Control Module, Base (V6), ID FR3A-12A650-CVD
29 listings$121$50 – $288Electronic Control Module, GT, ID FR3A-12A650-CTD
29 listings$244$145 – $440Electronic Control Module, Base (V6), ID FR3A-12A650-CXD
5 listings$150$150 – $282Electronic Control Module, GT, ID FR3A-12A650-CUD
3 listings$143$75 – $150Electronic Control Module, GT, ID FR3A-12A650-CYD
2 listings$495$225 – $495Back to full guide
2017 Ford Mustang engine computer — all trims
Common questions
2017 Ford Mustang engine computer (Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA) FAQ
How much is a used 2017 Ford Mustang engine computer (Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA)?
Based on 44 priced salvage-yard listings, a used 2017 Ford Mustang engine computer in the Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA variant lists between $75 and $400, with a median asking price of $186.
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 2016, 2017, 2018, 2019, 2020. Prices and availability may differ by year.