Ram 3500 engine computer — Emission Control, (DEF pump module), (mounted on top of urea tank) price snapshot
- Low
- $51
- Average
- $185
- High
- $470
Trim-specific price guide
Ram 3500 Engine Computer — Emission Control, (DEF pump module), (mounted on top of urea tank) prices
Pricing for the Emission Control, (DEF pump module), (mounted on top of urea tank) variant of the Ram 3500 engine computer, aggregated from 293 salvage yard listings across 7 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 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.
Price summary
A used Ram 3500 engine computer (Emission Control, (DEF pump module), (mounted on top of urea tank)) costs $51 to $470, with a median asking price of $186. Based on 293 priced salvage yard listings across the US, updated Oct 17, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$200
Grade B (good)$177
Grade C (fair)$85
USD
Condition comparison
Price by part grade
Grade AClean / low wear$61–$405143 listings
Grade BStandard used$51–$470127 listings
Grade CVisible wear$85–$854 listings
Grade XUngraded$60–$12619 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $61–$405 | 143 | |
| Grade BStandard used | $51–$470 | 127 | |
| Grade CVisible wear | $85–$85 | 4 | |
| Grade XUngraded | $60–$126 | 19 |
Median by grade
Grade price comparison
Grade A$200
Grade B$177
Grade C$85
Ungraded$100
Median asking price by seller-reported condition grade · $51–$470 overall range
Trim-specific context
How is the Emission Control, (DEF pump module), (mounted on top of urea tank) priced differently?
This pricing covers the Emission Control, (DEF pump module), (mounted on top of urea tank) variant of the Ram 3500 engine computer, based on 293 priced listings across 7 model years (2019, 2020, 2021, 2022, 2023, 2024, 2025). Its $186 median is 25% below the Ram 3500 engine computer overall median of $249.
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 Emission Control, (DEF pump module), (mounted on top of urea tank) cost by year?
Other trims
Other Ram 3500 engine computer variants
Electronic Control Module, 5.7L (gasoline, RH rear engine compartment)
1 yr$200$130 – $325Electronic Control Module, 6.4L
2 yrs$256$76 – $324Electronic Control Module, 6.4L (gasoline, RH rear engine compartment)
5 yrs$126$60 – $395Electronic Control Module, 6.4L (gasoline, RH rear engine compartment), 66RFE (transmission)
1 yr$222$115 – $322Electronic Control Module, 6.4L (gasoline, RH rear engine compartment), AS66RC (transmission)
1 yr$350$350 – $569Electronic Control Module, 6.7L
2 yrs$1,105$715 – $1,365Electronic Control Module, 6.7L (diesel, LH side of block)
6 yrs$1,053$237 – $1,549Electronic Control Module, chassis cab, 5.7L
1 yr$350$240 – $590Electronic Control Module, chassis cab, 6.4L, 66RFE transmission
1 yr$230$80 – $800Common questions
Ram 3500 engine computer (Emission Control, (DEF pump module), (mounted on top of urea tank)) FAQ
How much is a used Ram 3500 engine computer (Emission Control, (DEF pump module), (mounted on top of urea tank))?
Based on 293 priced salvage-yard listings across 7 model years, a used Ram 3500 engine computer in the Emission Control, (DEF pump module), (mounted on top of urea tank) variant lists between $51 and $470, with a median asking price of $186.
Which Ram 3500 years use the Emission Control, (DEF pump module), (mounted on top of urea tank) engine computer?
The Emission Control, (DEF pump module), (mounted on top of urea tank) variant appears in model years 2019, 2020, 2021, 2022, 2023, 2024, 2025. Prices and availability differ by year.
Is there a price difference between Emission Control, (DEF pump module), (mounted on top of urea tank) condition grades?
Yes. Grade A has a median of $200, Grade B has a median of $177, Grade C has a median of $85. Grade A parts are in excellent condition, B is good, and C is fair.