GmcSierra 1500 Sierra 1500 AT4 4WD Crew Cab Standard Bed TK10743 4SB LZ0 MQC MY2025 US2025
Transmission fluid
DEXRON ULV automatic transmission fluid
Duramax supplement fluid table for the LZ0 automatic (the exact MQC 10-speed in this column); no fill quantity is asserted.