Used 2017 GMC Sierra 1500 transmission – AT, 4x2, 4.3L

Year & trim-specific price guide

Used 2017 GMC Sierra 1500 TransmissionAT, 4x2, 4.3L prices

Trim-specific pricing for the AT, 4x2, 4.3L variant of the 2017 GMC Sierra 1500 transmission, built from 27 real salvage yard listings with condition grade detail.
Price summary

A used 2017 GMC Sierra 1500 transmission (AT, 4x2, 4.3L) costs $1,248 to $3,400, with a median asking price of $1,805. Based on 27 priced salvage yard listings across the US, updated Sep 9, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$2,000
Grade B (good)$1,760

2017 GMC Sierra 1500 transmission — AT, 4x2, 4.3L price snapshot

USD
Low
$1,248
Average
$1,950
High
$3,400
27 priced listings used · last updated Sep 9, 2026· How we price·

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Reporting price for 2017 GMC Sierra 1500 Transmission (AT, 4x2, 4.3L)

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Condition comparison

Price by part grade

Grade AClean / low wear$1,548$2,29510 listings
Grade BStandard used$1,248$2,10010 listings
Grade CVisible wearUpdating
Grade XUngraded$1,375$3,4007 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $1,248$3,400 overall range

Trim-specific context

How does the AT, 4x2, 4.3L compare?

This pricing covers the AT, 4x2, 4.3L variant of the 2017 GMC Sierra 1500 transmission, based on 27 priced listings. Its $1,805 median is 29% below the 2017 GMC Sierra 1500 transmission overall median of $2,553.

There are 19 other transmission variants available for the 2017 GMC Sierra 1500.

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

Same trim, other years

AT, 4x2, 4.3L in other model years

Same year, other trims

What other 2017 GMC Sierra 1500 transmission variants are available?

Back to full guide

2017 GMC Sierra 1500 transmission — all trims

Common questions

2017 GMC Sierra 1500 transmission (AT, 4x2, 4.3L) FAQ

How much is a used 2017 GMC Sierra 1500 transmission (AT, 4x2, 4.3L)?

Based on 27 priced salvage-yard listings, a used 2017 GMC Sierra 1500 transmission in the AT, 4x2, 4.3L variant lists between $1,248 and $3,400, with a median asking price of $1,805.

Which years use the AT, 4x2, 4.3L transmission?

The AT, 4x2, 4.3L variant appears in model years 2017, 2018, 2020, 2021. Prices and availability may differ by year.