2018 Ram 2500 transmission — AT, 4x4, gasoline (66RFE) price snapshot
- Low
- $685
- Average
- $3,796
- High
- $5,307
Year & trim-specific price guide
Used 2018 Ram 2500 Transmission — AT, 4x4, gasoline (66RFE) prices
Trim-specific pricing for the AT, 4x4, gasoline (66RFE) variant of the 2018 Ram 2500 transmission, built from 28 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
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.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 5, 2026AS
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.
Price summary
A used 2018 Ram 2500 transmission (AT, 4x4, gasoline (66RFE)) costs $685 to $5,307, with a median asking price of $3,885. Based on 28 priced salvage yard listings across the US, updated Oct 5, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$4,019
Grade B (good)$3,979
Grade C (fair)$3,132
USD
Condition comparison
Price by part grade
Grade AClean / low wear$685–$5,30712 listings
Grade BStandard used$3,220–$4,89710 listings
Grade CVisible wear$3,132–$3,1321 listings
Grade XUngraded$2,000–$4,0005 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $685–$5,307 | 12 | |
| Grade BStandard used | $3,220–$4,897 | 10 | |
| Grade CVisible wear | $3,132–$3,132 | 1 | |
| Grade XUngraded | $2,000–$4,000 | 5 |
Median by grade
Grade price comparison
Grade A$4,019
Grade B$3,979
Grade C$3,132
Ungraded$3,600
Median asking price by seller-reported condition grade · $685–$5,307 overall range
Trim-specific context
How does the AT, 4x4, gasoline (66RFE) compare?
This pricing covers the AT, 4x4, gasoline (66RFE) variant of the 2018 Ram 2500 transmission, based on 28 priced listings. Its $3,885 median is 3% below the 2018 Ram 2500 transmission overall median of $4,000.
There are 4 other transmission variants available for the 2018 Ram 2500.
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, 4x4, gasoline (66RFE) in other model years
Same year, other trims
What other 2018 Ram 2500 transmission variants are available?
MT, 4x2, (6.7L, VIN L, 8th digit, diesel)
28 listings$4,175$1,009 – $5,425AT, 4x4, diesel (68RFE)
18 listings$4,015$2,000 – $5,193MT, 4x4, (6.7L, diesel, VIN L, 8th digit)
10 listings$6,699$3,000 – $7,928AT, 4x2, diesel (68RFE)
3 listings$3,500$3,465 – $3,550Back to full guide
2018 Ram 2500 transmission — all trims
Common questions
2018 Ram 2500 transmission (AT, 4x4, gasoline (66RFE)) FAQ
How much is a used 2018 Ram 2500 transmission (AT, 4x4, gasoline (66RFE))?
Based on 28 priced salvage-yard listings, a used 2018 Ram 2500 transmission in the AT, 4x4, gasoline (66RFE) variant lists between $685 and $5,307, with a median asking price of $3,885.
Which years use the AT, 4x4, gasoline (66RFE) transmission?
The AT, 4x4, gasoline (66RFE) variant appears in model years 2016, 2017, 2018. Prices and availability may differ by year.