Used Ford Mustang engine computer – Electronic Control Module, Base (V6), ID FL3A-12B684-BEB

Trim-specific price guide

Ford Mustang Engine Computer — Electronic Control Module, Base (V6), ID FL3A-12B684-BEB prices

Pricing for the Electronic Control Module, Base (V6), ID FL3A-12B684-BEB variant of the Ford Mustang engine computer, aggregated from 78 salvage yard listings across 2 model years.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 21, 2026
Price summary

A used Ford Mustang engine computer (Electronic Control Module, Base (V6), ID FL3A-12B684-BEB) costs $51 to $175, with a median asking price of $146. Based on 78 priced salvage yard listings across the US, updated Oct 21, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$146
Grade B (good)$160

Ford Mustang engine computer — Electronic Control Module, Base (V6), ID FL3A-12B684-BEB price snapshot

USD
Low
$51
Average
$133
High
$175
78 priced listings across 2 model years· How we price·

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Reporting price for Ford Mustang Engine Computer (Electronic Control Module, Base (V6), ID FL3A-12B684-BEB)

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Condition comparison

Price by part grade

Grade AClean / low wear$51–$17567 listings
Grade BStandard used$89–$17511 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $51–$175 overall range

Trim-specific context

How is the Electronic Control Module, Base (V6), ID FL3A-12B684-BEB priced differently?

This pricing covers the Electronic Control Module, Base (V6), ID FL3A-12B684-BEB variant of the Ford Mustang engine computer, based on 78 priced listings across 2 model years (2016, 2017). Its $146 median is 15% below 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 FL3A-12B684-BEB cost by year?

Other trims

Other Ford Mustang engine computer variants

Common questions

Ford Mustang engine computer (Electronic Control Module, Base (V6), ID FL3A-12B684-BEB) FAQ

How much is a used Ford Mustang engine computer (Electronic Control Module, Base (V6), ID FL3A-12B684-BEB)?

Based on 78 priced salvage-yard listings across 2 model years, a used Ford Mustang engine computer in the Electronic Control Module, Base (V6), ID FL3A-12B684-BEB variant lists between $51 and $175, with a median asking price of $146.

Which Ford Mustang years use the Electronic Control Module, Base (V6), ID FL3A-12B684-BEB engine computer?

The Electronic Control Module, Base (V6), ID FL3A-12B684-BEB 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 FL3A-12B684-BEB condition grades?

Yes. Grade A has a median of $146, Grade B has a median of $160. Grade A parts are in excellent condition, B is good, and C is fair.

Ford Mustang Engine Computer · Electronic Control Module, Base (V6), ID FL3A-12B684-BEB Prices | Part Price Guide