2017 GMC Sierra 1500 transmission — AT, 4x2, 4.3L price snapshot
- Low
- $1,248
- Average
- $1,950
- High
- $3,400

Year & trim-specific price guide
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.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $1,548–$2,295 | 10 | |
| Grade BStandard used | $1,248–$2,100 | 10 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $1,375–$3,400 | 7 |
Median by grade
Median asking price by seller-reported condition grade · $1,248–$3,400 overall range
Trim-specific context
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
Same year, other trims
Back to full guide
Common questions
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.
The AT, 4x2, 4.3L variant appears in model years 2017, 2018, 2020, 2021. Prices and availability may differ by year.