Mazda CX5 engine computer price snapshot
- Low
- $25
- Average
- $133
- High
- $543
Vehicle-specific price guide
How much is a used Mazda CX5 engine computer?
Asking prices from 429 salvage yards in 40 states, broken down by model year, condition grade, and fitment variant.
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 updatedSep 23, 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 Mazda CX5 engine computer
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 Mazda CX5 engine computer costs $25 to $543, with a median asking price of $110. Based on 1,543 priced salvage yard listings across the US, compatible across 2013–2025 (13 model years), updated Sep 23, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$121
Grade B (good)$100
Grade C (fair)$85
USD
Condition comparison
Price by part grade
Grade AClean / low wear$25–$5431,321 listings
Grade BStandard used$35–$30580 listings
Grade CVisible wear$45–$1109 listings
Grade XUngraded$30–$250133 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $25–$543 | 1,321 | |
| Grade BStandard used | $35–$305 | 80 | |
| Grade CVisible wear | $45–$110 | 9 | |
| Grade XUngraded | $30–$250 | 133 |
Median by grade
Grade price comparison
Grade A$121
Grade B$100
Grade C$85
Ungraded$75
Median asking price by seller-reported condition grade · $25–$543 overall range
Regional supply
Where the Mazda CX5 engine computer is listed
We found priced Mazda CX5 engine computer listings at 429 salvage yards across 40 states. California supplies the most, with 275 listings (18% of the total) from 39 yards. Location matters: yards in California ask a median $71, while Michigan yards ask $203, 186% more for the same part. Shipping usually costs less than that gap for smaller parts, so it can pay to buy out of state.
| State | Listings | Yards | Median ask |
|---|---|---|---|
| California | 275 | 39 | $71-35% |
| Texas | 198 | 38 | $99-10% |
| Illinois | 156 | 31 | $165+50% |
| Michigan | 124 | 35 | $203+85% |
| Arizona | 120 | 12 | $100-9% |
| Indiana | 96 | 21 | $93-15% |
| Wisconsin | 78 | 22 | $141+28% |
| Ohio | 50 | 27 | $113+3% |
States with at least 10 priced listings. % is versus the $110 national median.
Replacement cost
What is the Mazda CX5 engine computer replacement cost?
- Used part
- $110
- Mazda CX5 median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $205–$560
- 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
Sources
- Labor time estimates: Part Price Guide labor database
Model-year comparison
What does a Mazda CX5 engine computer cost by year?
202584 listings$230$65 – $543202439 listings$161$40 – $251202371 listingsFits 7 years$95$50 – $2572022100 listingsFits 8 years$107$51 – $2492021100 listingsFits 7 years$99$41 – $3052020100 listingsFits 7 years$80$30 – $250201979 listingsFits 8 years$111$50 – $224201856 listingsFits 6 years$94$41 – $3002017178 listingsFits 3 years$135$42 – $2762016389 listingsFits 3 years$75$25 – $3942015612 listingsFits 3 years$140$25 – $460
Market analysis
How much does a used Mazda CX5 engine computer cost?
Asking prices for a used Mazda CX5 engine computer are unusually spread out: the top listing asks more than ten times what the cheapest does, so which unit you pick matters more than the median. Condition matters: grade-A units (lowest mileage, best condition) carry roughly a 42% premium over grade-C stock, with grade-A medians at $121.
Model year matters too: 2016 units carry the lowest median at $75, while 2025 tops the table at $230. Parts from 2016–2018 are interchangeable, so if the 2016 fits your vehicle, it offers the best value across 3 compatible years.
Against comparable vehicles, the Mazda CX5 sits 2% below the Honda Accord ($112), 1% below the Honda Civic ($111), and 13% below the Hyundai Elantra ($126) for the same part. The “similar vehicles” cards below open each comparison guide.
Buying a used engine computer: what to check
- Match hardware and service numbers: Ensure hardware revision codes and circuit board part numbers match exactly, as pinouts change mid-model year.
- Inspect multi-pin connector headers: Check header pins for bending, green copper oxidation, or burnt circuit board traces inside the wiring sockets.
- Verify immobilizer programming requirements: Plan for anti-theft security relearn procedures or ECU re-flashing before the replacement computer will start the engine.
- Confirm donor transmission and emissions spec: Ensure the donor vehicle used the same transmission type and regional emissions package to prevent fault codes.
- Check aluminum casing seals: Inspect housing screws and perimeter rubber gaskets for white oxidation or breaks that indicate past water intrusion.
Keep browsing this vehicle
What other Mazda CX5 parts are priced?
01wide ±151%
Side Mirror
$240median
$69$792
02wide ±207%
Axle Shaft
$100median
$25$438
03wide ±154%
Tail Light
$162median
$30$530
04wide ±179%
Wheels
$170median
$35$645
05wide ±102%
Headlight Assembly
$645median
$160$1,470
06wide ±225%
Transmission
$800median
$199$3,800
07wide ±204%
Engine
$1,112median
$250$4,785
08wide ±74%
Fender
$301median
$105$550
09wide ±164%
Strut
$125median
$40$449
10wide ±160%
Grille
$350median
$58$1,179
11wide ±221%
Radiator
$163median
$39$759
12wide ±196%
Alternator
$80median
$30$343
Price comparisons
Compare Mazda CX5 engine computer prices
Engine Computercompare
HondaPilotvsMazdaCX5
Pilot$125
CX5$110
$15 diff6,656 listings
Engine ComputercompareHyundaiTucsonvsMazdaCX5
Tucson$156
CX5$110
$46 diff6,349 listings
Engine ComputercompareFordF250vsMazdaCX5
F250$250
CX5$110
$140 diff5,708 listings
Engine ComputercompareToyotaRAV4vsMazdaCX5
RAV4$161
CX5$110
$51 diff5,699 listings
Engine ComputercompareHyundaiSantaFevsMazdaCX5
Fe$156
CX5$110
$46 diff5,528 listings
Engine ComputercompareKiaSportagevsMazdaCX5
Sportage$159
CX5$110
$49 diff5,497 listings
Compare fitments
What do similar vehicles charge for this part?
Acurawide ±167%
Acura ILX
$138median
$40$500
Acurawide ±153%
Acura Integra
$155median
$50$525
Acurawide ±219%
Acura MDX
$135median
$35$625
Acurawide ±162%
Acura RDX
$155median
$42$543
Acurawide ±208%
Acura TLX
$125median
$33$553
Audiwide ±174%
Audi A4
$175median
$35$644
Audiwide ±122%
Audi A6
$184median
$50$500
Audiwide ±188%
Audi Q3
$200median
$50$800
Audiwide ±211%
Audi Q5
$192median
$39$850
Audiwide ±141%
Audi Q7
$249median
$48$748
Mazdawide ±218%
Mazda 3
$101median
$25$465
Mazdawide ±205%
Mazda Miata
$165median
$30$705
Common questions
Mazda CX5 engine computer FAQ
How much is a used engine computer for a Mazda CX5?
The median asking price is $110 across 1,543 priced listings from 429 yards. Grade-A units, the cleanest stock, have a median of $121. 2016 is the cheapest model year we track, with a median of $75.
How much does it cost to replace a Mazda CX5 engine computer?
Using a used part, a Mazda CX5 engine computer replacement typically runs $205–$560 all-in: the median used engine computer for this model lists at $110, 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.
Which Mazda CX5 model years does this price guide cover?
This guide currently has year-level pricing for 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015. Other model years contribute to the overall range where sellers listed them without a year breakdown.
Which Mazda CX5 engine computer years are interchangeable?
Salvage-yard interchange data links Mazda CX5 engine computer fitments across 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. Searching all 13 years widens the pool of units; confirm the part number against your VIN, since trim or drivetrain can split an interchange group.