2018 Chevy Silverado 1500 transmission — AT, 4x4, 4.3L price snapshot
- Low
- $1,000
- Average
- $1,599
- High
- $2,064

Year & trim-specific price guide
A used 2018 Chevy Silverado 1500 transmission (AT, 4x4, 4.3L) costs $1,000 to $2,064, with a median asking price of $1,599. Based on 37 priced salvage yard listings across the US, updated Aug 2, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $1,375–$2,064 | 12 | |
| Grade BStandard used | $1,000–$1,695 | 20 | |
| Grade CVisible wear | $1,700–$1,700 | 1 | |
| Grade XUngraded | $1,450–$2,000 | 4 |
Median by grade
Median asking price by seller-reported condition grade · $1,000–$2,064 overall range
Trim-specific context
This pricing covers the AT, 4x4, 4.3L variant of the 2018 Chevy Silverado 1500 transmission, based on 37 priced listings. Its $1,599 median is 41% below the 2018 Chevy Silverado 1500 transmission overall median of $2,695.
There are 13 other transmission variants available for the 2018 Chevy Silverado 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 37 priced salvage-yard listings, a used 2018 Chevy Silverado 1500 transmission in the AT, 4x4, 4.3L variant lists between $1,000 and $2,064, with a median asking price of $1,599.
The AT, 4x4, 4.3L variant appears in model years 2017, 2018, 2020, 2021. Prices and availability may differ by year.