2024 Mazda 3 engine computer price snapshot
- Low
- $45
- Average
- $175
- High
- $432
Year-specific price guide
Used 2024 Mazda 3 Engine Computer prices
Year-specific used engine computer pricing for the 2024 Mazda 3, built from real salvage yard and junkyard listings with condition grade and fitment detail.
Price summary
A used 2024 Mazda 3 engine computer costs $45 to $432, with a median asking price of $179. Based on 604 priced salvage yard listings across the US, compatible across 2020–2024 (4 model years), updated Aug 30, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$181
Grade B (good)$174
USD
Condition comparison
Price by part grade
Grade AClean / low wear$48–$432442 listings
Grade BStandard used$50–$430148 listings
Grade CVisible wearUpdating
Grade XUngraded$45–$25014 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $48–$432 | 442 | |
| Grade BStandard used | $50–$430 | 148 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $45–$250 | 14 |
Median by grade
Grade price comparison
Grade A$181
Grade B$174
Ungraded$140
Median asking price by seller-reported condition grade · $45–$432 overall range
Replacement cost
What is the 2024 Mazda 3 engine computer replacement cost?
- Used part
- $179
- 2024 Mazda 3 median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $275–$630
- 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, (behind LH headlamp), 2.0L, AWD, ID 391612GRB248 listingsInterchange 2020–2022$172$76 – $350
Electronic Control Module, (behind LH headlamp), 2.4L, FWD, ID 391712GRC247 listingsInterchange 2020–2022$181$65 – $266
Electronic Control Module, (behind LH headlamp), 2.0L, FWD, ID 391612GRA247 listingsInterchange 2020–2022$164$50 – $306
Electronic Control Module, (behind LH headlamp), 2.4L, AWD, ID 391712GRH246 listingsInterchange 2020–2022$170$50 – $305
Electronic Control Module, (behind LH headlamp), 2.4L, AWD, ID 391712GRD245 listingsInterchange 2020–2021$138$65 – $280
Electronic Control Module, (behind LH headlamp), 2.4L, AWD, ID 391712GRB244 listingsInterchange 2020–2022$137$85 – $305
Electronic Control Module, (behind LH headlamp), 2.4L, AWD, ID 391712GRF243 listingsInterchange 2020–2022$211$70 – $287
Electronic Control Module, (behind LH headlamp), 2.4L, FWD, ID 391712GRG243 listingsInterchange 2020–2022$144$48 – $261
Electronic Control Module, (behind LH headlamp), 2.4L, FWD, ID 391712GRA240 listingsInterchange 2020–2022$225$50 – $307
Electronic Control Module, (behind LH headlamp), 2.4L, FWD, ID 391712GRE228 listingsInterchange 2020–2021$231$45 – $432
Year-specific context
How does the 2024 Mazda 3 compare?
The 2024 guide is based on 660 observed listings, including 604 with posted prices. Its $179 median is 50% above the Mazda 3 guide's $119 median.
Among the 10 model years with current price data, 2024 ranks #8 from lowest to highest median.
Interchange data shows this part is also listed under model years 2020, 2021, 2022. Shopping across all 4 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?
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Common questions
2024 Mazda 3 engine computer FAQ
How much is a used 2024 Mazda 3 engine computer?
Based on 604 priced salvage-yard listings, a used 2024 Mazda 3 engine computer lists between $45 and $432, with a median asking price of $179.
How much does it cost to replace a 2024 Mazda 3 engine computer?
Using a used part, a 2024 Mazda 3 engine computer replacement typically runs $275–$630 all-in: the median used engine computer for this year lists at $179, 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 2024 Mazda 3 engine computer fit another year?
Based on salvage-yard interchange data, listings for the 2024 Mazda 3 engine computer also appear under model years 2020, 2021, 2022, 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 2024 Mazda 3 ecu?
A ecu is another name for a engine computer. The prices on this page cover the 2024 Mazda 3 engine computer — median $179, from 604 listings.