Chevy Colorado engine computer — Electronic Control Module, (RH firewall), 2.5L, ID 55485591 price snapshot
- Low
- $40
- Average
- $120
- High
- $282
Trim-specific price guide
Chevy Colorado Engine Computer — Electronic Control Module, (RH firewall), 2.5L, ID 55485591 prices
Pricing for the Electronic Control Module, (RH firewall), 2.5L, ID 55485591 variant of the Chevy Colorado engine computer, aggregated from 132 salvage yard listings across 3 model years.
Price summary
A used 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 132 priced salvage yard listings across the US, updated Sep 11, 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$45–$282106 listings
Grade BStandard used$50–$25010 listings
Grade CVisible wearUpdating
Grade XUngraded$40–$17516 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $45–$282 | 106 | |
| Grade BStandard used | $50–$250 | 10 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $40–$175 | 16 |
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 is the Electronic Control Module, (RH firewall), 2.5L, ID 55485591 priced differently?
This pricing covers the Electronic Control Module, (RH firewall), 2.5L, ID 55485591 variant of the Chevy Colorado engine computer, based on 132 priced listings across 3 model years (2017, 2018, 2019). Its $99 median is 1% below the Chevy Colorado engine computer overall median of $100.
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 Electronic Control Module, (RH firewall), 2.5L, ID 55485591 cost by year?
Other trims
Other Chevy Colorado engine computer variants
Emission Control, (DEF tank mounted), (DEF tank module)
2 yrs$126$50 – $325Electronic Control Module, (RH firewall), 2.5L, ID 12669908
3 yrs$60$25 – $207Electronic Control Module, (RH firewall), 2.8L
6 yrs$145$71 – $445Electronic Control Module, (RH firewall), 3.6L
6 yrs$75$40 – $385Emission Control, (DEF tank mounted)
4 yrs$250$50 – $412Electronic Control Module, (RH firewall), 2.5L
3 yrs$94$50 – $150Emission Control, (3.0L, diesel), (DEF pump module)
1 yr$124$60 – $600Electronic Control Module, 3.0L (diesel), engine controller
1 yr$220$45 – $300Electronic Control Module, 3.0L (diesel), glow plug controller
1 yr$100$30 – $217Common questions
Chevy Colorado engine computer (Electronic Control Module, (RH firewall), 2.5L, ID 55485591) FAQ
How much is a used Chevy Colorado engine computer (Electronic Control Module, (RH firewall), 2.5L, ID 55485591)?
Based on 132 priced salvage-yard listings across 3 model years, a used 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 Chevy Colorado 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 differ by year.
Is there a price difference between Electronic Control Module, (RH firewall), 2.5L, ID 55485591 condition grades?
Yes. Grade A has a median of $100, Grade B has a median of $99. Grade A parts are in excellent condition, B is good, and C is fair.