Used Infiniti QX50 engine computer from a salvage yard

Vehicle-specific price guide

How much is a used Infiniti QX50 engine computer?

Asking prices from 292 salvage yards in 39 states, broken down by model year, condition grade, and fitment variant.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 22, 2026
Strong coverage874 priced of 1,006 observed2 variantsMethodology v2.1 →

Part overview

About the Infiniti QX50 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 Infiniti QX50 engine computer costs $30 to $389, with a median asking price of $108. Based on 874 priced salvage yard listings across the US, compatible across 2012–2025 (14 model years), updated Oct 22, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$101
Grade B (good)$150
Grade C (fair)$50

Infiniti QX50 engine computer price snapshot

USD
Low
$30
Average
$134
High
$389
1,006 listings observed · 874 priced7d ago· How we price·

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Reporting price for Infiniti QX50 Engine Computer

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$30–$389627 listings
Grade BStandard used$50–$310171 listings
Grade CVisible wear$50–$501 listings
Grade XUngraded$40–$22575 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $30–$389 overall range

Regional supply

Where the Infiniti QX50 engine computer is listed

We found priced Infiniti QX50 engine computer listings at 292 salvage yards across 39 states. California supplies the most, with 314 listings (29% of the total) from 39 yards. Location matters: yards in California ask a median $95, while Michigan yards ask $195, 105% more for the same part. Shipping usually costs less than that gap for smaller parts, so it can pay to buy out of state.

StateListingsYardsMedian ask
California31439$95-12%
Florida12936$125+16%
Illinois11029$134+24%
Texas5918$101-6%
Indiana5213$100-7%
Michigan4719$195+81%
Colorado439$123+14%
Arizona439$110+2%

States with at least 10 priced listings. % is versus the $108 national median.

Replacement cost

What is the Infiniti QX50 engine computer replacement cost?

ESTIMATE
Used part
$108
Infiniti QX50 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
  1. Labor time estimates: Part Price Guide labor database

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Alert for Infiniti QX50 Engine Computer

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Current avg: $134 — we suggest $114 (15% below)

Condition grade (optional)

Fitment matters

Price by trim & variant (2025)

Model-year comparison

What does a Infiniti QX50 engine computer cost by year?

$77$107$137$167$19720152016201720182019202020212022202320242025
Median asking price by model year · salvage yard listing data

Market analysis

How much does a used Infiniti QX50 engine computer cost?

Asking prices for a used Infiniti QX50 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 102% premium over grade-C stock, with grade-A medians at $101.

Model year matters too: 2019 units carry the lowest median at $85, while 2023 tops the table at $188. Parts from 2017–2022 are interchangeable, so if the 2019 fits your vehicle, it offers the best value across 5 compatible years.

Against comparable vehicles, the Infiniti QX50 sits 4% below the Honda Accord ($112), 3% below the Honda Civic ($111), and 14% 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

  1. Match hardware and service numbers: Ensure hardware revision codes and circuit board part numbers match exactly, as pinouts change mid-model year.
  2. Inspect multi-pin connector headers: Check header pins for bending, green copper oxidation, or burnt circuit board traces inside the wiring sockets.
  3. Verify immobilizer programming requirements: Plan for anti-theft security relearn procedures or ECU re-flashing before the replacement computer will start the engine.
  4. Confirm donor transmission and emissions spec: Ensure the donor vehicle used the same transmission type and regional emissions package to prevent fault codes.
  5. 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 Infiniti QX50 parts are priced?

Price comparisons

Compare Infiniti QX50 engine computer prices

Compare fitments

What do similar vehicles charge for this part?

Common questions

Infiniti QX50 engine computer FAQ

How much is a used engine computer for a Infiniti QX50?

The median asking price is $108 across 874 priced listings from 292 yards. Grade-A units, the cleanest stock, have a median of $101. 2019 is the cheapest model year we track, with a median of $85.

How much does it cost to replace a Infiniti QX50 engine computer?

Using a used part, a Infiniti QX50 engine computer replacement typically runs $205–$560 all-in: the median used engine computer for this model lists at $108, 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 Infiniti QX50 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 Infiniti QX50 engine computer years are interchangeable?

Salvage-yard interchange data links Infiniti QX50 engine computer fitments across 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. Searching all 14 years widens the pool of units; confirm the part number against your VIN, since trim or drivetrain can split an interchange group.

Used Infiniti QX50 Engine Computer Cost — From $30 to $389