2018 Infiniti QX80 engine computer — Electronic Control Module price snapshot
- Low
- $50
- Average
- $172
- High
- $400

Year & trim-specific price guide
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.
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.
A used 2018 Infiniti QX80 engine computer (Electronic Control Module) costs $50 to $400, with a median asking price of $141. Based on 49 priced salvage yard listings across the US, updated Oct 13, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$400 | 31 | |
| Grade BStandard used | $122–$327 | 14 | |
| Grade XUngraded | $50–$122 | 4 |
Median by grade
Median asking price by seller-reported condition grade · $50–$400 overall range
Trim-specific context
This pricing covers the Electronic Control Module variant of the 2018 Infiniti QX80 engine computer, based on 49 priced listings. Its $141 median is 16% above the 2018 Infiniti QX80 engine computer overall median of $122.
There is 1 other engine computer variant available for the 2018 Infiniti QX80.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Same year, other trims
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Common questions
Based on 49 priced salvage-yard listings, a used 2018 Infiniti QX80 engine computer in the Electronic Control Module variant lists between $50 and $400, with a median asking price of $141.
The Electronic Control Module variant appears in model years 2015, 2016, 2017, 2018, 2019. Prices and availability may differ by year.