Mazda 3 engine computer — (mounted by battery), 2.5L, AT, ID PY9W-18-881A price snapshot
- Low
- $30
- Average
- $114
- High
- $290
Trim-specific price guide
Mazda 3 Engine Computer — (mounted by battery), 2.5L, AT, ID PY9W-18-881A prices
Pricing for the (mounted by battery), 2.5L, AT, ID PY9W-18-881A variant of the Mazda 3 engine computer, aggregated from 90 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 22, 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 3 engine computer ((mounted by battery), 2.5L, AT, ID PY9W-18-881A) costs $30 to $290, with a median asking price of $103. Based on 90 priced salvage yard listings across the US, updated Oct 22, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$103
Grade B (good)$107
USD
Condition comparison
Price by part grade
Grade AClean / low wear$30–$29071 listings
Grade BStandard used$41–$2609 listings
Grade XUngraded$30–$15010 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $30–$290 | 71 | |
| Grade BStandard used | $41–$260 | 9 | |
| Grade XUngraded | $30–$150 | 10 |
Median by grade
Grade price comparison
Grade A$103
Grade B$107
Ungraded$75
Median asking price by seller-reported condition grade · $30–$290 overall range
Trim-specific context
How is the (mounted by battery), 2.5L, AT, ID PY9W-18-881A priced differently?
This pricing covers the (mounted by battery), 2.5L, AT, ID PY9W-18-881A variant of the Mazda 3 engine computer, based on 90 priced listings across 2 model years (2017, 2018). Its $103 median is 2% above the Mazda 3 engine computer overall median of $101.
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 (mounted by battery), 2.5L, AT, ID PY9W-18-881A cost by year?
Other trims
Other Mazda 3 engine computer variants
Electronic Control Module, (LH engine), 2.7L (VIN A, 5th digit, 1ARFE engine, 4 cylinder)
1 yr$190$150 – $465Electronic Control Module, (LH engine), 3.5L, VIN C (5th digit, 2GRFXE engine, 6 cylinder, hybrid)
1 yr$193$80 – $250Electronic Control Module, (LH engine), 3.5L, VIN K (5th digit, 2GRFE engine, 6 cylinder), AWD
1 yr$150$102 – $212Electronic Control Module, (LH engine), 3.5L, VIN K (5th digit, 2GRFE engine, 6 cylinder), FWD
1 yr$100$80 – $150Electronic Control Module, (mounted by battery), 2.0L, AT, ID PE19-18881-A
1 yr$91$55 – $218Electronic Control Module, (mounted by battery), 2.0L, AT, ID PEAB-18881-A
1 yr$80$50 – $240Electronic Control Module, (mounted by battery), 2.0L, AT, ID PECX-18881-A
1 yr$100$70 – $300Electronic Control Module, (mounted by battery), 2.0L, MT, ID PE18-18881-A
1 yr$125$30 – $225Electronic Control Module, (mounted by battery), 2.0L, MT, ID PEAA-18881-A
1 yr$146$55 – $395Common questions
Mazda 3 engine computer ((mounted by battery), 2.5L, AT, ID PY9W-18-881A) FAQ
How much is a used Mazda 3 engine computer ((mounted by battery), 2.5L, AT, ID PY9W-18-881A)?
Based on 90 priced salvage-yard listings across 2 model years, a used Mazda 3 engine computer in the (mounted by battery), 2.5L, AT, ID PY9W-18-881A variant lists between $30 and $290, with a median asking price of $103.
Which Mazda 3 years use the (mounted by battery), 2.5L, AT, ID PY9W-18-881A engine computer?
The (mounted by battery), 2.5L, AT, ID PY9W-18-881A variant appears in model years 2017, 2018. Prices and availability differ by year.
Is there a price difference between (mounted by battery), 2.5L, AT, ID PY9W-18-881A condition grades?
Yes. Grade A has a median of $103, Grade B has a median of $107. Grade A parts are in excellent condition, B is good, and C is fair.