2018 Ram 3500 engine computer — Electronic Control Module, 5.7L (gasoline, RH rear engine compartment) price snapshot
- Low
- $130
- Average
- $212
- High
- $325

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 Ram 3500 engine computer (Electronic Control Module, 5.7L (gasoline, RH rear engine compartment)) costs $130 to $325, with a median asking price of $200. Based on 39 priced salvage yard listings across the US, updated Oct 12, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $130–$325 | 13 | |
| Grade BStandard used | $134–$280 | 23 | |
| Grade CVisible wear | $160–$250 | 3 |
Median by grade
Median asking price by seller-reported condition grade · $130–$325 overall range
Trim-specific context
This pricing covers the Electronic Control Module, 5.7L (gasoline, RH rear engine compartment) variant of the 2018 Ram 3500 engine computer, based on 39 priced listings. Its $200 median is 11% below the 2018 Ram 3500 engine computer overall median of $225.
There are 4 other engine computer variants available for the 2018 Ram 3500.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
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Common questions
Based on 39 priced salvage-yard listings, a used 2018 Ram 3500 engine computer in the Electronic Control Module, 5.7L (gasoline, RH rear engine compartment) variant lists between $130 and $325, with a median asking price of $200.
In our current dataset, the Electronic Control Module, 5.7L (gasoline, RH rear engine compartment) variant appears only for the 2018 model year.