Used Ford Mustang engine computer – Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA

Trim-specific price guide

Ford Mustang Engine Computer — Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA prices

Pricing for the Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA variant of the Ford Mustang engine computer, aggregated from 107 salvage yard listings across 3 model years.

2018 Ford Mustang · Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA

$197

median asking price

48 priced listings · $70–$405

Price summary

A used Ford Mustang engine computer (Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA) costs $70 to $405, with a median asking price of $197. Based on 107 priced salvage yard listings across the US, updated Sep 5, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$220
Grade B (good)$178

Ford Mustang engine computer — Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA price snapshot

USD
Low
$70
Average
$193
High
$405
107 priced listings across 3 model years· How we price·

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Reporting price for Ford Mustang Engine Computer (Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA)

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$70–$39556 listings
Grade BStandard used$80–$40551 listings
Grade CVisible wearUpdating
Grade XUngradedUpdating

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $70–$405 overall range

Trim-specific context

How is the Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA priced differently?

This pricing covers the Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA variant of the Ford Mustang engine computer, based on 107 priced listings across 3 model years (2018, 2019, 2020). Its $197 median is 1% above the Ford Mustang engine computer overall median of $196.

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, Shelby GT350, ID FR3A-12B684-DRA cost by year?

201848 listings$197$70 – $405201912 listings$201$81 – $296202047 listings$197$70 – $405

Other trims

Other Ford Mustang engine computer variants

Full Mustang guide

Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA

3 yrs$214$80 – $494

Electronic Control Module, EcoBoost, AT, ID JR3A-12A650-NA

1 yr$121$50 – $218

Electronic Control Module, EcoBoost, MT

6 yrs$170$50 – $395

Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA

2 yrs$97$30 – $331

Electronic Control Module, GT, AT

6 yrs$187$70 – $547

Electronic Control Module, GT, MT

6 yrs$255$80 – $480

Electronic Control Module, EcoBoost, AT, ID GR3A-12A650-AZA

1 yr$161$55 – $224

Electronic Control Module, EcoBoost, AT, ID KR3A-12A650-HB

1 yr$111$93 – $218

Electronic Control Module, Bullitt

1 yr$256$100 – $480

Common questions

Ford Mustang engine computer (Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA) FAQ

How much is a used Ford Mustang engine computer (Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA)?

Based on 107 priced salvage-yard listings across 3 model years, a used Ford Mustang engine computer in the Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA variant lists between $70 and $405, with a median asking price of $197.

Which Ford Mustang years use the Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA engine computer?

The Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA variant appears in model years 2018, 2019, 2020. Prices and availability differ by year.

Is there a price difference between Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA condition grades?

Yes. Grade A has a median of $220, Grade B has a median of $178. Grade A parts are in excellent condition, B is good, and C is fair.