2021 GMC Sierra 1500 5.3L Used Transmission, 57k Miles, Grade B
2021 GMC Sierra 1500 5.3L Used Transmission, 57k Miles, Grade B 1
UsedTransmissionGrade B

2021 GMC Sierra 1500 5.3L Used Transmission, 57k Miles, Grade B

Option: (AT), 4x4, 5.3L, 10 speed transmission (opt MQB), w/o opt NSS

2021 Sierra 1500 · All Sierra 1500 Transmissions

Miles
57k - 66k
$2,779– $3,057

Price range reflects part condition & grade. You'll see your exact price at checkout.

Free shipping to commercial addresses

Only 1 of this exact unit in stock — order online for our lowest price

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Additional Details

Part TypeTransmission
Year2021
MakeGMC
ModelSierra 1500
Option(AT), 4x4, 5.3L, 10 speed transmission (opt MQB), w/o opt NSS
Mileage57,050 - 65,608 mi
ConditionUsed
Part GradeB
Unit Price$2,779 - $3,057
StockIn Stock

Product Description

This used 2021 GMC Sierra 1500 5.3L transmission is a grade B replacement from a donor GMC Sierra 1500 built for 2021, with about 57,050 - 65,608 mi on the donor vehicle. The listed option is (AT), 4x4, 5.3L, 10 speed transmission (opt MQB), w/o opt NSS. Use that 5.3L size and the option code with the VIN so the transmission matches the sensors, wiring, and computer in the vehicle. This unit is priced at $2,779 and is offered in stock for shipping.

Thoroughly inspected & tested
Grade B quality rating
57,050 - 65,608 mi verified
2-year warranty included

Returns, Warranty & Shipping Summary

  • Returns accepted within 30 days of delivery (pre-approval required).
  • Items must remain in original assembled condition — no tampering or disassembly.
  • 25% handling fee applies; customer responsible for return freight.
  • Free shipping to commercial addresses (Residential +$250).
  • Includes 2-year limited warranty on internal components.

For full details, see our

Customer Reviews

4.9
Based on 4 reviews
O

Olivia Perez Verified Purchase

Jul 13, 2026

State Auto Parts kept me updated the whole way and the refurbished engine arrived spotless. Bolted right in and the warranty registration was painless.

J

Jessica Lee Verified Purchase

Jun 28, 2026

Outstanding service! The transmission was delivered quickly and works perfectly. The quality exceeded my expectations for a used part.

T

Tyler Brooks Verified Purchase

Jan 8, 2026

The transmission matched my VIN perfectly and shifts cleanly. Took an extra day to get the tracking info, otherwise this would have been a full five stars.