2018 Chevy Colorado engine computer — Electronic Control Module, (RH firewall), 2.5L, ID 55485591 price snapshot
- Low
- $40
- Average
- $127
- High
- $282
Year & trim-specific price guide
Used 2018 Chevy Colorado Engine Computer — Electronic Control Module, (RH firewall), 2.5L, ID 55485591 prices
Trim-specific pricing for the Electronic Control Module, (RH firewall), 2.5L, ID 55485591 variant of the 2018 Chevy Colorado engine computer, built from 43 real salvage yard listings with condition grade detail.
Price summary
A used 2018 Chevy Colorado engine computer (Electronic Control Module, (RH firewall), 2.5L, ID 55485591) costs $40 to $282, with a median asking price of $99. Based on 43 priced salvage yard listings across the US, updated Aug 22, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$100
Grade B (good)$99
USD
Condition comparison
Price by part grade
Grade AClean / low wear$50–$28235 listings
Grade BStandard used$75–$2263 listings
Grade CVisible wearUpdating
Grade XUngraded$40–$1495 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$282 | 35 | |
| Grade BStandard used | $75–$226 | 3 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $40–$149 | 5 |
Median by grade
Grade price comparison
Grade A$100
Grade B$99
Ungraded$75
Median asking price by seller-reported condition grade · $40–$282 overall range
Trim-specific context
How does the Electronic Control Module, (RH firewall), 2.5L, ID 55485591 compare?
This pricing covers the Electronic Control Module, (RH firewall), 2.5L, ID 55485591 variant of the 2018 Chevy Colorado engine computer, based on 43 priced listings. Its $99 median is 0% above the 2018 Chevy Colorado engine computer overall median of $99.
There are 4 other engine computer variants available for the 2018 Chevy Colorado.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Electronic Control Module, (RH firewall), 2.5L, ID 55485591 in other model years
Same year, other trims
What other 2018 Chevy Colorado engine computer variants are available?
Electronic Control Module, (RH firewall), 2.8L
47 listings$115$75 – $310Electronic Control Module, (RH firewall), 3.6L
38 listings$60$40 – $125Emission Control, (DEF tank mounted), (DEF tank module)
32 listings$126$50 – $325Electronic Control Module, (RH firewall), 2.5L, ID 12669908
22 listings$60$25 – $207Back to full guide
2018 Chevy Colorado engine computer — all trims
Common questions
2018 Chevy Colorado engine computer (Electronic Control Module, (RH firewall), 2.5L, ID 55485591) FAQ
How much is a used 2018 Chevy Colorado engine computer (Electronic Control Module, (RH firewall), 2.5L, ID 55485591)?
Based on 43 priced salvage-yard listings, a used 2018 Chevy Colorado engine computer in the Electronic Control Module, (RH firewall), 2.5L, ID 55485591 variant lists between $40 and $282, with a median asking price of $99.
Which years use the Electronic Control Module, (RH firewall), 2.5L, ID 55485591 engine computer?
The Electronic Control Module, (RH firewall), 2.5L, ID 55485591 variant appears in model years 2017, 2018, 2019. Prices and availability may differ by year.