Used 2018 Ram 1500 transmission – (AT), 4x4, 5.7L, 8 speed, opt DFD

Year & trim-specific price guide

Used 2018 Ram 1500 Transmission — (AT), 4x4, 5.7L, 8 speed, opt DFD prices

Trim-specific pricing for the (AT), 4x4, 5.7L, 8 speed, opt DFD variant of the 2018 Ram 1500 transmission, built from 43 real salvage yard listings with condition grade detail.

2018 Ram 1500 · (AT), 4x4, 5.7L, 8 speed, opt DFD

$408

median asking price

43 priced listings · $235–$1,428

Price summary

A used 2018 Ram 1500 transmission ((AT), 4x4, 5.7L, 8 speed, opt DFD) costs $235 to $1,428, with a median asking price of $408. Based on 43 priced salvage yard listings across the US, updated Aug 18, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$600
Grade B (good)$306

2018 Ram 1500 transmission — (AT), 4x4, 5.7L, 8 speed, opt DFD price snapshot

USD
Low
$235
Average
$612
High
$1,428
43 priced listings used · last updated Aug 18, 2026· How we price·

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Reporting price for 2018 Ram 1500 Transmission ((AT), 4x4, 5.7L, 8 speed, opt DFD)

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Condition comparison

Price by part grade

Grade AClean / low wear$325–$1,42816 listings
Grade BStandard used$235–$1,42826 listings
Grade CVisible wearUpdating
Grade XUngraded$699–$6991 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $235–$1,428 overall range

Trim-specific context

How does the (AT), 4x4, 5.7L, 8 speed, opt DFD compare?

This pricing covers the (AT), 4x4, 5.7L, 8 speed, opt DFD variant of the 2018 Ram 1500 transmission, based on 43 priced listings. Its $408 median is 14% below the 2018 Ram 1500 transmission overall median of $475.

There are 8 other transmission variants available for the 2018 Ram 1500.

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

Same year, other trims

What other 2018 Ram 1500 transmission variants are available?

(AT), 4x2, 5.7L, 8 speed

46 listings$332$150 – $1,250

(AT), 4x4, 5.7L, 8 speed, opt DFK

45 listings$690$312 – $1,800

(AT), 4x2, 3.0L (diesel)

41 listings$430$199 – $1,375

(AT), 4x4, 3.0L (diesel)

41 listings$338$250 – $1,700

(AT), 4x2, 5.7L, 6 speed

39 listings$347$140 – $800

(AT), 4x4, 3.6L

33 listings$775$450 – $1,800

(AT), 4x2, 3.6L

26 listings$738$487 – $1,287

(AT), 4x4, 5.7L, 6 speed

22 listings$450$50 – $899

Back to full guide

2018 Ram 1500 transmission — all trims

View 2018 guide

Common questions

2018 Ram 1500 transmission ((AT), 4x4, 5.7L, 8 speed, opt DFD) FAQ

How much is a used 2018 Ram 1500 transmission ((AT), 4x4, 5.7L, 8 speed, opt DFD)?

Based on 43 priced salvage-yard listings, a used 2018 Ram 1500 transmission in the (AT), 4x4, 5.7L, 8 speed, opt DFD variant lists between $235 and $1,428, with a median asking price of $408.

Which years use the (AT), 4x4, 5.7L, 8 speed, opt DFD transmission?

In our current dataset, the (AT), 4x4, 5.7L, 8 speed, opt DFD variant appears only for the 2018 model year.