2023 Mazda 3 engine computer price snapshot
- Low
- $25
- Average
- $115
- High
- $331
Year-specific price guide
Used 2023 Mazda 3 Engine Computer prices
Year-specific used engine computer pricing for the 2023 Mazda 3, built from real salvage yard and junkyard listings with condition grade and fitment detail.
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 updatedAug 25, 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.
Part overview
About the 2023 Mazda 3 engine computer
A used 2023 Mazda 3 engine computer costs between $25 and $331, with a median of $100 from 130 salvage yard listings.
What the engine computer does, common failure signs, and prices across all vehicles: used engine computer price guide →
Also known asECUECMPCMEngine Control ModuleEngine Control UnitPowertrain Control Module
Price summary
A used 2023 Mazda 3 engine computer costs $25 to $331, with a median asking price of $100. Based on 130 priced salvage yard listings across the US, compatible across 2019–2024 (6 model years), updated Aug 25, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$97
Grade B (good)$102
USD
Condition comparison
Price by part grade
Grade AClean / low wear$25–$331101 listings
Grade BStandard used$71–$32515 listings
Grade XUngraded$45–$12514 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $25–$331 | 101 | |
| Grade BStandard used | $71–$325 | 15 | |
| Grade XUngraded | $45–$125 | 14 |
Median by grade
Grade price comparison
Grade A$97
Grade B$102
Ungraded$100
Median asking price by seller-reported condition grade · $25–$331 overall range
Replacement cost
What is the 2023 Mazda 3 engine computer replacement cost?
- Used part
- $100
- 2023 Mazda 3 median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $195–$550
- median used part + labor
Labor is a typical independent-shop range for engine computer replacement, not a quote for your vehicle; it does not include programming and key relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full engine computer replacement cost breakdown
Fitment matters
Price by trim & variant
Electronic Control Module, (mounted by battery), naturally aspirated, Mitsubishi manufacturer46 listingsInterchange 2019–2024$85$25 – $331
Electronic Control Module, (mounted by battery), naturally aspirated, Denso manufacturer44 listingsInterchange 2019–2023$100$30 – $282
Electronic Control Module, (mounted by battery), turbo40 listingsInterchange 2021–2023$125$30 – $325
Year-specific context
How does the 2023 Mazda 3 compare?
The 2023 guide is based on 145 observed listings, including 130 with posted prices. Its $100 median is 1% below the Mazda 3 guide's $101 median.
Among the 11 model years with current price data, 2023 ranks #4 from lowest to highest median.
Interchange data shows this part is also listed under model years 2019, 2020, 2021, 2022, 2024. Shopping across all 6 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a Mazda 3 engine computer cost in other years?
202592 listings$155$54 – $3542024100 listingsCompatible$202$50 – $2962022150 listingsCompatible$169$42 – $2552021145 listingsCompatible$96$25 – $331202060 listingsCompatible$170$49 – $255201949 listingsCompatible$107$25 – $3312018568 listings$86$25 – $4652017638 listings$101$25 – $460201650 listings$150$80 – $4652015317 listings$99$30 – $395
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Common questions
2023 Mazda 3 engine computer FAQ
How much is a used 2023 Mazda 3 engine computer?
Based on 130 priced salvage-yard listings, a used 2023 Mazda 3 engine computer lists between $25 and $331, with a median asking price of $100.
How much does it cost to replace a 2023 Mazda 3 engine computer?
Using a used part, a 2023 Mazda 3 engine computer replacement typically runs $195–$550 all-in: the median used engine computer for this year lists at $100, and independent-shop labor for engine computer replacement typically takes 1–3 hours at $95–$150/hr ($95–$450). The labor figure does not include programming and key relearn procedure. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2023 Mazda 3 engine computer fit another year?
Based on salvage-yard interchange data, listings for the 2023 Mazda 3 engine computer also appear under model years 2019, 2020, 2021, 2022, 2024, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.
How much is a 2023 Mazda 3 ecu?
A ecu is another name for a engine computer. The prices on this page cover the 2023 Mazda 3 engine computer — median $100, from 130 listings.