For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

California Proposition 65 WarningFloor Air Outlet Duct Replacement - Left Side (LHD)
Floor Air Outlet Duct Replacement - Left Side
Callout
Component Name
Preliminary Procedure
Remove the instrument panel insulator, if equipped.
Remove the instrument panel lower trim pad cover. Refer to Instrument
Panel Low ...
Control Valve Body Assembly Assemble (Gen 1)
Control Valve Body Assembly Assemble
Callout
Component Name
1
Valve Body Ball Check Valve (Qty: 6)
2
Control Valve Channel Plate Spacer Plate Assembly
3
...
Basic information
WARNING
Never attempt to lift two wheels of the Nissan Armada off the ground
while the engine is running and shift the transmission into any drive or reverse
position. This improper procedure may cause severe drivetrain damage or unexpected
vehicle movement, potentially leading to serio ...