2018 Mazda 3 engine computer — (mounted by battery), 2.0L, MT, ID PY9S-18-881 price snapshot
- Low
- $50
- Average
- $122
- High
- $394
Year & trim-specific price guide
Used 2018 Mazda 3 Engine Computer — (mounted by battery), 2.0L, MT, ID PY9S-18-881 prices
Trim-specific pricing for the (mounted by battery), 2.0L, MT, ID PY9S-18-881 variant of the 2018 Mazda 3 engine computer, built from 35 real salvage yard listings with condition grade 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 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 2018 Mazda 3 engine computer ((mounted by battery), 2.0L, MT, ID PY9S-18-881) costs $50 to $394, with a median asking price of $104. Based on 35 priced salvage yard listings across the US, updated Aug 30, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$121
Grade B (good)$111
USD
Condition comparison
Price by part grade
Grade AClean / low wear$65–$39429 listings
Grade BStandard used$75–$1112 listings
Grade XUngraded$50–$1154 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $65–$394 | 29 | |
| Grade BStandard used | $75–$111 | 2 | |
| Grade XUngraded | $50–$115 | 4 |
Median by grade
Grade price comparison
Grade A$121
Grade B$111
Ungraded$85
Median asking price by seller-reported condition grade · $50–$394 overall range
Trim-specific context
How does the (mounted by battery), 2.0L, MT, ID PY9S-18-881 compare?
This pricing covers the (mounted by battery), 2.0L, MT, ID PY9S-18-881 variant of the 2018 Mazda 3 engine computer, based on 35 priced listings. Its $104 median is 21% above the 2018 Mazda 3 engine computer overall median of $86.
There are 11 other engine computer variants available for the 2018 Mazda 3.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
What other 2018 Mazda 3 engine computer variants are available?
(mounted by battery), 2.0L, AT, ID PY9W-18-881A
48 listings$75$30 – $285(mounted by battery), 2.5L, AT, ID PY9W-18-881A
48 listings$75$30 – $285(mounted by battery), 2.0L, AT, ID PY9V-18-881
43 listings$66$30 – $188(mounted by battery), 2.5L, AT, ID PY9V-18-881
43 listings$66$30 – $188(mounted by battery), 2.0L, MT, ID PY9T-18-881A
42 listings$115$25 – $240(mounted by battery), 2.5L, MT, ID PY9T-18-881A
42 listings$115$25 – $240(mounted by battery), 2.0L, AT, ID PSAE-18-881
40 listings$71$40 – $113(mounted by battery), 2.5L, AT, ID PSAE-18-881
40 listings$71$40 – $113(mounted by battery), 2.5L, AT, ID PYAA-18-881A
39 listings$111$50 – $256(mounted by battery), 2.5L, MT, ID PY9S-18-881
35 listings$104$50 – $394(mounted by battery), 2.5L, AT, ID PY9X-18-881
32 listings$131$35 – $465Back to full guide
2018 Mazda 3 engine computer — all trims
Common questions
2018 Mazda 3 engine computer ((mounted by battery), 2.0L, MT, ID PY9S-18-881) FAQ
How much is a used 2018 Mazda 3 engine computer ((mounted by battery), 2.0L, MT, ID PY9S-18-881)?
Based on 35 priced salvage-yard listings, a used 2018 Mazda 3 engine computer in the (mounted by battery), 2.0L, MT, ID PY9S-18-881 variant lists between $50 and $394, with a median asking price of $104.
Which years use the (mounted by battery), 2.0L, MT, ID PY9S-18-881 engine computer?
In our current dataset, the (mounted by battery), 2.0L, MT, ID PY9S-18-881 variant appears only for the 2018 model year.