Ram 3500 engine computer — Emission Control, (6.7L, diesel), (DEF pump module), (mounted on top of urea tank) price snapshot
- Low
- $45
- Average
- $123
- High
- $501

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 Ram 3500 engine computer (Emission Control, (6.7L, diesel), (DEF pump module), (mounted on top of urea tank)) costs $45 to $501, with a median asking price of $111. Based on 170 priced salvage yard listings across the US, updated Oct 17, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$286 | 79 | |
| Grade BStandard used | $45–$410 | 55 | |
| Grade CVisible wear | $50–$150 | 16 | |
| Grade XUngraded | $50–$501 | 20 |
Median by grade
Median asking price by seller-reported condition grade · $45–$501 overall range
Trim-specific context
This pricing covers the Emission Control, (6.7L, diesel), (DEF pump module), (mounted on top of urea tank) variant of the Ram 3500 engine computer, based on 170 priced listings across 4 model years (2015, 2016, 2017, 2018). Its $111 median is 55% 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
Other trims
Common questions
Based on 170 priced salvage-yard listings across 4 model years, a used Ram 3500 engine computer in the Emission Control, (6.7L, diesel), (DEF pump module), (mounted on top of urea tank) variant lists between $45 and $501, with a median asking price of $111.
The Emission Control, (6.7L, diesel), (DEF pump module), (mounted on top of urea tank) variant appears in model years 2015, 2016, 2017, 2018. Prices and availability differ by year.
Yes. Grade A has a median of $113, Grade B has a median of $165, Grade C has a median of $75. Grade A parts are in excellent condition, B is good, and C is fair.