Used 2019 GMC Terrain engine computer – Emission Control, (DEF tank module)

Year & trim-specific price guide

Used 2019 GMC Terrain Engine Computer — Emission Control, (DEF tank module) prices

Trim-specific pricing for the Emission Control, (DEF tank module) variant of the 2019 GMC Terrain engine computer, built from 41 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 15, 2026

2019 GMC Terrain · Emission Control, (DEF tank module)

$78

median asking price

41 priced listings · $30–$315

Price summary

A used 2019 GMC Terrain engine computer (Emission Control, (DEF tank module)) costs $30 to $315, with a median asking price of $78. Based on 41 priced salvage yard listings across the US, updated Sep 15, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$100
Grade B (good)$94
Grade C (fair)$65

2019 GMC Terrain engine computer — Emission Control, (DEF tank module) price snapshot

USD
Low
$30
Average
$98
High
$315
41 priced listings used · last updated Sep 15, 2026· How we price·

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Reporting price for 2019 GMC Terrain Engine Computer (Emission Control, (DEF tank module))

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Condition comparison

Price by part grade

Grade AClean / low wear$50–$31520 listings
Grade BStandard used$50–$17414 listings
Grade CVisible wear$65–$651 listings
Grade XUngraded$30–$796 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $30–$315 overall range

Trim-specific context

How does the Emission Control, (DEF tank module) compare?

This pricing covers the Emission Control, (DEF tank module) variant of the 2019 GMC Terrain engine computer, based on 41 priced listings. Its $78 median is 5% below the 2019 GMC Terrain engine computer overall median of $82.

There are 3 other engine computer variants available for the 2019 GMC Terrain.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Same trim, other years

Emission Control, (DEF tank module) in other model years

All years
201821 listings$100$30 – $325

Same year, other trims

What other 2019 GMC Terrain engine computer variants are available?

Electronic Control Module, (LH engine compartment), 1.5L

50 listings$82$82 – $331

Electronic Control Module, (LH engine compartment), 2.0L

50 listings$82$82 – $331

Electronic Control Module, (LH engine compartment), 1.6L

45 listings$100$40 – $333

Back to full guide

2019 GMC Terrain engine computer — all trims

View 2019 guide

Common questions

2019 GMC Terrain engine computer (Emission Control, (DEF tank module)) FAQ

How much is a used 2019 GMC Terrain engine computer (Emission Control, (DEF tank module))?

Based on 41 priced salvage-yard listings, a used 2019 GMC Terrain engine computer in the Emission Control, (DEF tank module) variant lists between $30 and $315, with a median asking price of $78.

Which years use the Emission Control, (DEF tank module) engine computer?

The Emission Control, (DEF tank module) variant appears in model years 2018, 2019. Prices and availability may differ by year.

2019 GMC Terrain Engine Computer · Emission Control, (DEF tank module) Prices | Part Price Guide