2018 Ram 3500 transmission — AT, 4x2, Chassis Cab, gasoline, AS66RC (Aisin Seiki manufactured), PTO (left side) price snapshot
- Low
- $5,500
- Average
- $7,378
- High
- $10,945

Year & trim-specific price guide
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
A used 2018 Ram 3500 transmission (AT, 4x2, Chassis Cab, gasoline, AS66RC (Aisin Seiki manufactured), PTO (left side)) costs $5,500 to $10,945, with a median asking price of $6,880. Based on 6 priced salvage yard listings across the US, updated Oct 10, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $5,500–$8,077 | 3 | |
| Grade XUngraded | $6,693–$10,945 | 3 |
Median by grade
Median asking price by seller-reported condition grade · $5,500–$10,945 overall range
Trim-specific context
This pricing covers the AT, 4x2, Chassis Cab, gasoline, AS66RC (Aisin Seiki manufactured), PTO (left side) variant of the 2018 Ram 3500 transmission, based on 6 priced listings. Its $6,880 median is 95% above the 2018 Ram 3500 transmission overall median of $3,535.
There are 13 other transmission variants available for the 2018 Ram 3500.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
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Common questions
Based on 6 priced salvage-yard listings, a used 2018 Ram 3500 transmission in the AT, 4x2, Chassis Cab, gasoline, AS66RC (Aisin Seiki manufactured), PTO (left side) variant lists between $5,500 and $10,945, with a median asking price of $6,880.
In our current dataset, the AT, 4x2, Chassis Cab, gasoline, AS66RC (Aisin Seiki manufactured), PTO (left side) variant appears only for the 2018 model year.