Looks like you can get the new AC/Delco 0w-20 diesel oil that is recommended for the new 3.0 Duramax diesel engine coming out in the 2019 Silverado and Sierra in Jan 2019.
ACDelco 0W20 dexosD Light Duty Diesel Engine Oil
To Chevrolet, Buick, GMC and Cadillac U.S. Dealers:
0W20 Light Duty Diesel Engine Oil dexosD is the recommended engine oil for the 2019 3.0L LM2 Duramax Engine on the Chevrolet Silverado and GMC Sierra.
The product is currently available for ordering from the GM Oil Distributor, and the details are as follows:
Product Description
Package Size
Part Number
XOM Material Number
Dealer Price
ACDelco 0W20 dexosD Light Duty Diesel Engine Oil
Quart (6 X 1)
19370138
124144
$4.31
ACDelco 0W20 dexosD Light Duty Diesel Engine Oil
To Chevrolet, Buick, GMC and Cadillac U.S. Dealers:
0W20 Light Duty Diesel Engine Oil dexosD is the recommended engine oil for the 2019 3.0L LM2 Duramax Engine on the Chevrolet Silverado and GMC Sierra.
The product is currently available for ordering from the GM Oil Distributor, and the details are as follows:
Product Description
Package Size
Part Number
XOM Material Number
Dealer Price
ACDelco 0W20 dexosD Light Duty Diesel Engine Oil
Quart (6 X 1)
19370138
124144
$4.31