Used 2018 Chevy Silverado 1500 transmission – (AT), 4x4, 5.3L, 8 speed, opt M5U

Year & trim-specific price guide

Used 2018 Chevy Silverado 1500 Transmission — (AT), 4x4, 5.3L, 8 speed, opt M5U prices

Trim-specific pricing for the (AT), 4x4, 5.3L, 8 speed, opt M5U variant of the 2018 Chevy Silverado 1500 transmission, built from 42 real salvage yard listings with condition grade detail.

2018 Chevy Silverado 1500 · (AT), 4x4, 5.3L, 8 speed, opt M5U

$3,670

median asking price

42 priced listings · $2,650–$5,639

Price summary

A used 2018 Chevy Silverado 1500 transmission ((AT), 4x4, 5.3L, 8 speed, opt M5U) costs $2,650 to $5,639, with a median asking price of $3,670. Based on 42 priced salvage yard listings across the US, updated Aug 2, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$3,670
Grade B (good)$3,100

2018 Chevy Silverado 1500 transmission — (AT), 4x4, 5.3L, 8 speed, opt M5U price snapshot

USD
Low
$2,650
Average
$3,620
High
$5,639
42 priced listings used · last updated Aug 2, 2026· How we price·

Report incorrect price

Reporting price for 2018 Chevy Silverado 1500 Transmission ((AT), 4x4, 5.3L, 8 speed, opt M5U)

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$2,650–$4,47037 listings
Grade BStandard used$2,950–$3,6403 listings
Grade CVisible wearUpdating
Grade XUngraded$3,670–$5,6392 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $2,650–$5,639 overall range

Trim-specific context

How does the (AT), 4x4, 5.3L, 8 speed, opt M5U compare?

This pricing covers the (AT), 4x4, 5.3L, 8 speed, opt M5U variant of the 2018 Chevy Silverado 1500 transmission, based on 42 priced listings. Its $3,670 median is 36% above 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 year, other trims

What other 2018 Chevy Silverado 1500 transmission variants are available?

(AT), 4x2, 5.3L, 6 speed (opt MYC), w/o tow package

48 listings$2,283$143 – $3,787

(AT), 4x4, 6.2L, 8 speed (opt M5U)

44 listings$3,085$2,000 – $3,885

(AT), 4x4, 5.3L, 8 speed, opt M5X

41 listings$3,481$2,348 – $7,898

(AT), 4x2, 4.3L

40 listings$1,521$905 – $2,260

(AT), 4x4, 5.3L, 6 speed (opt MYC), w/o tow package

39 listings$2,263$1,200 – $3,350

(AT), 4x4, 6.2L, 10 speed (opt MF6)

39 listings$2,672$1,800 – $4,244

(AT), 4x4, 4.3L

37 listings$1,599$1,000 – $2,064

(AT), 4x2, 6.2L, 10 speed (opt MF6)

33 listings$2,919$1,000 – $5,342

(AT), 4x2, 5.3L, 8 speed, opt M5X

32 listings$3,910$1,707 – $6,500

(AT), 4x2, 5.3L, 8 speed, opt M5U

30 listings$3,440$2,448 – $7,898

(AT), 4x2, 5.3L, 6 speed (opt MYC), tow package (opt NHT)

23 listings$2,475$1,748 – $3,475

(AT), 4x4, 5.3L, 6 speed (opt MYC), tow package (opt NHT)

21 listings$2,150$1,950 – $3,350

(AT), 4x2, 6.2L, 8 speed (opt M5U)

10 listings$4,414$2,450 – $5,639

Back to full guide

2018 Chevy Silverado 1500 transmission — all trims

View 2018 guide

Common questions

2018 Chevy Silverado 1500 transmission ((AT), 4x4, 5.3L, 8 speed, opt M5U) FAQ

How much is a used 2018 Chevy Silverado 1500 transmission ((AT), 4x4, 5.3L, 8 speed, opt M5U)?

Based on 42 priced salvage-yard listings, a used 2018 Chevy Silverado 1500 transmission in the (AT), 4x4, 5.3L, 8 speed, opt M5U variant lists between $2,650 and $5,639, with a median asking price of $3,670.

Which years use the (AT), 4x4, 5.3L, 8 speed, opt M5U transmission?

In our current dataset, the (AT), 4x4, 5.3L, 8 speed, opt M5U variant appears only for the 2018 model year.