Used 2018 Ford Mustang engine computer – Electronic Control Module, GT, AT

Year & trim-specific price guide

Used 2018 Ford Mustang Engine Computer — Electronic Control Module, GT, AT prices

Trim-specific pricing for the Electronic Control Module, GT, AT variant of the 2018 Ford Mustang engine computer, built from 37 real salvage yard listings with condition grade detail.

2018 Ford Mustang · Electronic Control Module, GT, AT

$150

median asking price

37 priced listings · $70–$325

Price summary

A used 2018 Ford Mustang engine computer (Electronic Control Module, GT, AT) costs $70 to $325, with a median asking price of $150. Based on 37 priced salvage yard listings across the US, updated Aug 30, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$150
Grade B (good)$187

2018 Ford Mustang engine computer — Electronic Control Module, GT, AT price snapshot

USD
Low
$70
Average
$163
High
$325
37 priced listings used · last updated Aug 30, 2026· How we price·

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Reporting price for 2018 Ford Mustang Engine Computer (Electronic Control Module, GT, AT)

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$70–$32525 listings
Grade BStandard used$110–$26010 listings
Grade CVisible wearUpdating
Grade XUngraded$143–$1752 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $70–$325 overall range

Trim-specific context

How does the Electronic Control Module, GT, AT compare?

This pricing covers the Electronic Control Module, GT, AT variant of the 2018 Ford Mustang engine computer, based on 37 priced listings. Its $150 median is 1% below the 2018 Ford Mustang engine computer overall median of $151.

There are 6 other engine computer variants available for the 2018 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, GT, AT in other model years

All years
202336 listings$200$75 – $304202212 listings$413$120 – $547202138 listings$187$70 – $446202037 listings$175$70 – $32520197 listings$150$70 – $325

Same year, other trims

What other 2018 Ford Mustang engine computer variants are available?

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

48 listings$197$70 – $405

Electronic Control Module, EcoBoost, MT

45 listings$120$50 – $284

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

45 listings$91$30 – $331

Electronic Control Module, GT, MT

45 listings$256$116 – $418

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

44 listings$121$50 – $218

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

34 listings$186$80 – $494

Back to full guide

2018 Ford Mustang engine computer — all trims

View 2018 guide

Common questions

2018 Ford Mustang engine computer (Electronic Control Module, GT, AT) FAQ

How much is a used 2018 Ford Mustang engine computer (Electronic Control Module, GT, AT)?

Based on 37 priced salvage-yard listings, a used 2018 Ford Mustang engine computer in the Electronic Control Module, GT, AT variant lists between $70 and $325, with a median asking price of $150.

Which years use the Electronic Control Module, GT, AT engine computer?

The Electronic Control Module, GT, AT variant appears in model years 2018, 2019, 2020, 2021, 2022, 2023. Prices and availability may differ by year.