Sierra 3500 Denali 4WD V8-6.0L (2011)
Fluid - M/T: Fluid Type Specifications
MANUAL TRANSMISSION FLUID TYPE
TREMEC 5-SPEED (RPO MQ7) ................................................................................................................................... 5W-30 Synthetic Oil P/N ET-M99
TREMEC 5-SPEED (RPO TZ0) ...................................................................................................................................... 1874 MTX Fluid 12550 ET-M81