Ram 3500 engine computer price snapshot
- Low
- $45
- Average
- $366
- High
- $1,549
Vehicle-specific price guide
How much is a used Ram 3500 engine computer?
Asking prices from 374 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 updatedOct 17, 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 Ram 3500 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 Ram 3500 engine computer costs $45 to $1,549, with a median asking price of $249. Based on 1,576 priced salvage yard listings across the US, compatible across 2013–2026 (14 model years), updated Oct 17, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$261
Grade B (good)$248
Grade C (fair)$175
USD
Condition comparison
Price by part grade
Grade AClean / low wear$50–$1,520838 listings
Grade BStandard used$45–$1,530556 listings
Grade CVisible wear$50–$60054 listings
Grade XUngraded$50–$1,549128 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$1,520 | 838 | |
| Grade BStandard used | $45–$1,530 | 556 | |
| Grade CVisible wear | $50–$600 | 54 | |
| Grade XUngraded | $50–$1,549 | 128 |
Median by grade
Grade price comparison
Grade A$261
Grade B$248
Grade C$175
Ungraded$166
Median asking price by seller-reported condition grade · $45–$1,549 overall range
Regional supply
Where the Ram 3500 engine computer is listed
We found priced Ram 3500 engine computer listings at 374 salvage yards across 40 states. Texas supplies the most, with 360 listings (21% of the total) from 48 yards. Location matters: yards in Georgia ask a median $177, while California yards ask $555, 214% 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 |
|---|---|---|---|
| Texas | 360 | 48 | $300+20% |
| Florida | 258 | 31 | $275+10% |
| California | 97 | 25 | $555+123% |
| Georgia | 91 | 14 | $177-29% |
| Arizona | 83 | 12 | $544+118% |
| South Carolina | 71 | 8 | $400+61% |
| Missouri | 57 | 13 | $222-11% |
| Illinois | 57 | 17 | $225-10% |
States with at least 10 priced listings. % is versus the $249 national median.
Replacement cost
What is the Ram 3500 engine computer replacement cost?
- Used part
- $249
- Ram 3500 median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $345–$700
- 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
Emission Control, (DEF pump module), (mounted on top of urea tank)40 listingsInterchange 2024–2025$218$100 – $470
Model-year comparison
What does a Ram 3500 engine computer cost by year?
2025150 listingsFits 3 years$285$100 – $1,365202472 listingsFits 6 years$226$76 – $1,0542023150 listingsFits 6 years$260$51 – $1,5102022150 listingsFits 6 years$177$51 – $1,5492021150 listingsFits 6 years$161$51 – $1,5212020150 listingsFits 5 years$171$51 – $1,5202019127 listingsFits 6 years$177$51 – $1,5492018202 listingsFits 2 years$225$45 – $6282017267 listingsFits 3 years$345$45 – $1,0212016269 listingsFits 3 years$371$45 – $1,0212015331 listingsFits 3 years$300$50 – $800
Market analysis
How much does a used Ram 3500 engine computer cost?
Asking prices for a used Ram 3500 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 49% premium over grade-C stock, with grade-A medians at $261.
Fitment variant moves the price more than most buyers expect. The most affordable variant we track, Emission Control, (DEF pump module), (mounted on top of urea tank), lists at a $218 median, while Electronic Control Module, 6.7L commands $1,105, a 407% gap inside the same part category. Confirm which variant your VIN requires before comparing quotes.
Model year matters too: 2021 units carry the lowest median at $161, while 2016 tops the table at $371. Parts from 2019–2024 are interchangeable, so if the 2021 fits your vehicle, it offers the best value across 6 compatible years.
Against comparable vehicles, the Ram 3500 sits 122% above the Honda Accord ($112), 124% above the Honda Civic ($111), and 98% above 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 Ram 3500 parts are priced?
01wide ±171%
Transmission Control Module
$153median
$38$562
02wide ±286%
Wheels
$250median
$50$1,480
03wide ±195%
Drive Shaft
$431median
$98$1,776
04wide ±201%
Grille
$620median
$102$2,600
05wide ±236%
Front Seat
$211median
$50$1,048
06wide ±246%
Side Mirror
$334median
$59$1,700
07wide ±219%
Transfer Case
$1,005median
$200$4,592
08wide ±280%
Car Radio
$170median
$35$987
09wide ±123%
Quarter Panel
$511median
$185$1,437
10wide ±147%
Transmission
$3,444median
$830$10,945
11wide ±155%
Fuel Tank
$241median
$75$820
12wide ±107%
Door Assembly
$695median
$116$1,601
Price comparisons
Compare Ram 3500 engine computer prices
Engine Computercompare
HondaAccordvsRam3500
Accord$112
3500$249
$137 diff9,781 listings
Engine ComputercompareHondaCivicvsRam3500
Civic$111
3500$249
$138 diff9,616 listings
Engine ComputercompareHyundaiElantravsRam3500
Elantra$126
3500$249
$123 diff9,172 listings
Engine ComputercompareHondaPilotvsRam3500
Pilot$125
3500$249
$124 diff6,689 listings
Engine ComputercompareHyundaiTucsonvsRam3500
Tucson$156
3500$249
$93 diff6,382 listings
Engine ComputercompareToyotaRAV4vsRam3500
RAV4$161
3500$249
$88 diff5,732 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
Ramwide ±197%
Ram 1500
$155median
$40$650
Ramwide ±310%
Ram 2500
$216median
$40$1,380
Common questions
Ram 3500 engine computer FAQ
How much is a used engine computer for a Ram 3500?
The median asking price is $249 across 1,576 priced listings from 374 yards. Grade-A units, the cleanest stock, have a median of $261. 2021 is the cheapest model year we track, with a median of $161.
How much does it cost to replace a Ram 3500 engine computer?
Using a used part, a Ram 3500 engine computer replacement typically runs $345–$700 all-in: the median used engine computer for this model lists at $249, 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 Ram 3500 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 Ram 3500 engine computer years are interchangeable?
Salvage-yard interchange data links Ram 3500 engine computer fitments across 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026. 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.