2020 Silverado/Sierra 2.7 Turbo diesel oil???

2020 Silverado/Sierra 2.7 Turbo diesel oil???

Postby PARTSCHEV » Wed Nov 06, 2019 5:29 pm

Open to input. Seems GM doesn't even know what these engines take for motor oil. Was told 88865926 then partec says use 88865991. Then told by our oil supplier this isn't available yet. Hmmpf Go figure.....

UPON FURTHER REVIEW IT IS A 2.7 GAS ENGINE. MY GUYS ARE ENJOYING THEIR CROW. THANKS FOR THE INPUT.
Last edited by PARTSCHEV on Thu Nov 07, 2019 8:34 pm, edited 1 time in total.
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Re: 2020 Silverado/Sierra 2.7 Turbo diesel oil???

Postby PartScott » Wed Nov 06, 2019 6:33 pm

Parts catalog and SI both call for 88865926.
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Re: 2020 Silverado/Sierra 2.7 Turbo diesel oil???

Postby coleracing77 » Thu Nov 07, 2019 7:03 pm

Correct me if I wrong. I thought the Diesel engine in the Silverado 1500 was a 3.0 and the 2.7 was a 4cyl gas.

This is an old email I have saved from June of 2018. This bulletin no longer exists on global.
Reference Number: GCUS-9-6214



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
Attached is the product image label for reference.

To Order Oil on the GM Oil Program:

Contact your local General Motors Oil Distributor.
Contact your local District Manager Aftersales for more information.
To locate the nearest GM Oil Distributor ,please call 1-800-LubeOIL (1-800-582-3645), Prompt 2 to place an order or Prompt 3 for Distributor help.
Additional Information:

Please refer to the GlobalConnect EPIC application for complete GM Dealer part and price information.
Price sheets will also be available through your General Motors Customer Care & Aftersales District Manager Aftersales, local General Motors Oil and Bulk ATF Distributor and your Exxon Mobil OEM Advisor.
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Re: 2020 Silverado/Sierra 2.7 Turbo diesel oil???

Postby MIKE1010 » Thu Nov 07, 2019 7:21 pm

Bulk 5/30 dexos for 2.7 gas. 19370138 0/20 dexos 2 for 3.0 turbo diesel to be ordered from GM.
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Re: 2020 Silverado/Sierra 2.7 Turbo diesel oil???

Postby PartScott » Thu Nov 07, 2019 7:51 pm

coleracing77 wrote:Correct me if I wrong. I thought the Diesel engine in the Silverado 1500 was a 3.0 and the 2.7 was a 4cyl gas.


Good catch! I completely glossed over that tiny piece of crucial information.
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