Mazda Miata engine computer — Electronic Control Module, AT price snapshot
- Low
- $70
- Average
- $167
- High
- $290
Trim-specific price guide
Mazda Miata Engine Computer — Electronic Control Module, AT prices
Pricing for the Electronic Control Module, AT variant of the Mazda Miata engine computer, aggregated from 98 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 30, 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 Mazda Miata engine computer (Electronic Control Module, AT) costs $70 to $290, with a median asking price of $178. Based on 98 priced salvage yard listings across the US, updated Oct 30, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$185
USD
Condition comparison
Price by part grade
Grade AClean / low wear$75–$29088 listings
Grade XUngraded$70–$7010 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$290 | 88 | |
| Grade XUngraded | $70–$70 | 10 |
Median by grade
Grade price comparison
Grade A$185
Ungraded$70
Median asking price by seller-reported condition grade · $70–$290 overall range
Trim-specific context
How is the Electronic Control Module, AT priced differently?
This pricing covers the Electronic Control Module, AT variant of the Mazda Miata engine computer, based on 98 priced listings across 2 model years (2016, 2018). Its $178 median is 8% above the Mazda Miata engine computer overall median of $165.
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, AT cost by year?
Other trims
Other Mazda Miata engine computer variants
Electronic Control Module, AT, (6 speed), ID LFLX18881C
1 yr$150$50 – $386Electronic Control Module, AT, (6 speed), ID LFMA18881C
1 yr$124$40 – $365Electronic Control Module, from 03/02/19
1 yr$157$60 – $249Electronic Control Module, MT
2 yrs$125$35 – $330Electronic Control Module, MT, 5 speed, ID LFLR18881D
1 yr$180$75 – $267Electronic Control Module, MT, 6 speed, ID LFLM18881D
1 yr$203$90 – $325Electronic Control Module, MT, 6 speed, ID LFLP18881D
1 yr$250$104 – $390Electronic Control Module, thru 03/01/19
1 yr$159$50 – $259Non-Interchange search using Mazda Miata MX5 and similar models
1 yr$215$30 – $705Common questions
Mazda Miata engine computer (Electronic Control Module, AT) FAQ
How much is a used Mazda Miata engine computer (Electronic Control Module, AT)?
Based on 98 priced salvage-yard listings across 2 model years, a used Mazda Miata engine computer in the Electronic Control Module, AT variant lists between $70 and $290, with a median asking price of $178.
Which Mazda Miata years use the Electronic Control Module, AT engine computer?
The Electronic Control Module, AT variant appears in model years 2016, 2018. Prices and availability differ by year.
Is there a price difference between Electronic Control Module, AT condition grades?
Grade data is limited for this variant. Check individual year pages for the most detail.