Used 2018 GMC Sierra 1500 engine computer – Electronic Control Module, (LH front engine compartment), ID 12686382

Year & trim-specific price guide

Used 2018 GMC Sierra 1500 Engine Computer — Electronic Control Module, (LH front engine compartment), ID 12686382 prices

Trim-specific pricing for the Electronic Control Module, (LH front engine compartment), ID 12686382 variant of the 2018 GMC Sierra 1500 engine computer, built from 35 real salvage yard listings with condition grade detail.

2018 GMC Sierra 1500 · Electronic Control Module, (LH front engine compartment), ID 12686382

$150

median asking price

35 priced listings · $51–$250

Price summary

A used 2018 GMC Sierra 1500 engine computer (Electronic Control Module, (LH front engine compartment), ID 12686382) costs $51 to $250, with a median asking price of $150. Based on 35 priced salvage yard listings across the US, updated Aug 26, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$100
Grade B (good)$204

2018 GMC Sierra 1500 engine computer — Electronic Control Module, (LH front engine compartment), ID 12686382 price snapshot

USD
Low
$51
Average
$142
High
$250
35 priced listings used · last updated Aug 26, 2026· How we price·

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Reporting price for 2018 GMC Sierra 1500 Engine Computer (Electronic Control Module, (LH front engine compartment), ID 12686382)

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Condition comparison

Price by part grade

Grade AClean / low wear$51–$20423 listings
Grade BStandard used$100–$2043 listings
Grade CVisible wearUpdating
Grade XUngraded$75–$2509 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $51–$250 overall range

Trim-specific context

How does the Electronic Control Module, (LH front engine compartment), ID 12686382 compare?

This pricing covers the Electronic Control Module, (LH front engine compartment), ID 12686382 variant of the 2018 GMC Sierra 1500 engine computer, based on 35 priced listings. Its $150 median is 49% above the 2018 GMC Sierra 1500 engine computer overall median of $101.

There are 2 other engine computer variants available for the 2018 GMC Sierra 1500.

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

Same year, other trims

What other 2018 GMC Sierra 1500 engine computer variants are available?

Electronic Control Module, (LH front engine compartment), ID 12680656

46 listings$75$41 – $232

Hybrid-Electric, (hybrid battery mounted), (hybrid powertrain control module)

40 listings$130$50 – $330

Back to full guide

2018 GMC Sierra 1500 engine computer — all trims

View 2018 guide

Common questions

2018 GMC Sierra 1500 engine computer (Electronic Control Module, (LH front engine compartment), ID 12686382) FAQ

How much is a used 2018 GMC Sierra 1500 engine computer (Electronic Control Module, (LH front engine compartment), ID 12686382)?

Based on 35 priced salvage-yard listings, a used 2018 GMC Sierra 1500 engine computer in the Electronic Control Module, (LH front engine compartment), ID 12686382 variant lists between $51 and $250, with a median asking price of $150.

Which years use the Electronic Control Module, (LH front engine compartment), ID 12686382 engine computer?

In our current dataset, the Electronic Control Module, (LH front engine compartment), ID 12686382 variant appears only for the 2018 model year.