Ford Mustang engine computer — Electronic Control Module, Base (V6), ID FR3A-12B684-EUA price snapshot
- Low
- $75
- Average
- $204
- High
- $400
Trim-specific price guide
Ford Mustang Engine Computer — Electronic Control Module, Base (V6), ID FR3A-12B684-EUA prices
Pricing for the Electronic Control Module, Base (V6), ID FR3A-12B684-EUA variant of the Ford Mustang engine computer, aggregated from 56 salvage yard listings across 2 model years.
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 Ford Mustang engine computer (Electronic Control Module, Base (V6), ID FR3A-12B684-EUA) costs $75 to $400, with a median asking price of $195. Based on 56 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)$214
Grade C (fair)$80
USD
Condition comparison
Price by part grade
Grade AClean / low wear$75–$40029 listings
Grade BStandard used$99–$25525 listings
Grade CVisible wear$80–$801 listings
Grade XUngraded$146–$1461 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$400 | 29 | |
| Grade BStandard used | $99–$255 | 25 | |
| Grade CVisible wear | $80–$80 | 1 | |
| Grade XUngraded | $146–$146 | 1 |
Median by grade
Grade price comparison
Grade A$270
Grade B$214
Grade C$80
Ungraded$146
Median asking price by seller-reported condition grade · $75–$400 overall range
Trim-specific context
How is the Electronic Control Module, Base (V6), ID FR3A-12B684-EUA priced differently?
This pricing covers the Electronic Control Module, Base (V6), ID FR3A-12B684-EUA variant of the Ford Mustang engine computer, based on 56 priced listings across 2 model years (2016, 2017). Its $195 median is 13% above the Ford Mustang engine computer overall median of $172.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
What does a Electronic Control Module, Base (V6), ID FR3A-12B684-EUA cost by year?
Other trims
Other Ford Mustang engine computer variants
Electronic Control Module, Base (V6), ID FL3A-12A650-BEA
1 yr$110$75 – $298Electronic Control Module, Base (V6), ID FL3A-12A650-BEB
1 yr$110$75 – $298Electronic Control Module, Base (V6), ID FL3A-12A650-CA
2 yrs$146$51 – $175Electronic Control Module, Base (V6), ID FL3A-12B684-BEA
2 yrs$146$51 – $175Electronic Control Module, Base (V6), ID FL3A-12B684-BEB
2 yrs$146$51 – $175Electronic Control Module, Base (V6), ID FR3A-12A650-CVD
3 yrs$125$50 – $288Electronic Control Module, Base (V6), ID FR3A-12A650-CXD
3 yrs$150$150 – $282Electronic Control Module, Base (V6), ID FR3A-12A650-DRA
2 yrs$217$75 – $338Electronic Control Module, Base (V6), ID FR3A-12A650-EPA
1 yr$150$65 – $267Common questions
Ford Mustang engine computer (Electronic Control Module, Base (V6), ID FR3A-12B684-EUA) FAQ
How much is a used Ford Mustang engine computer (Electronic Control Module, Base (V6), ID FR3A-12B684-EUA)?
Based on 56 priced salvage-yard listings across 2 model years, a used Ford Mustang engine computer in the Electronic Control Module, Base (V6), ID FR3A-12B684-EUA variant lists between $75 and $400, with a median asking price of $195.
Which Ford Mustang years use the Electronic Control Module, Base (V6), ID FR3A-12B684-EUA engine computer?
The Electronic Control Module, Base (V6), ID FR3A-12B684-EUA variant appears in model years 2016, 2017. Prices and availability differ by year.
Is there a price difference between Electronic Control Module, Base (V6), ID FR3A-12B684-EUA condition grades?
Yes. Grade A has a median of $270, Grade B has a median of $214, Grade C has a median of $80. Grade A parts are in excellent condition, B is good, and C is fair.