In late 2016, a new specification of diesel motor oil, API CK-4, became available. Following extensive testing, Ford concluded that some CK-4 motor oils could potentially lead to high-mileage engine wear in Ford diesel engines.
In response, Ford developed its own specification of diesel motor oil – WSS-M2C171-F1. This new specification of diesel motor oil has been designed for use in all Ford diesel engines and is available now. Motorcraft offers this new oil in 5W-40, 10W-30 and 15W-40 viscosities.
To help protect your Ford Super Duty diesel engine and your warranty, remember to look for the WSS-M2C171-F1 specification on the bottle.
For other diesel engines, such as the 3.0L diesel in the F-150, refer to our Tech Talk video on Motorcraft FA-4 diesel motor oi. You can view that video, here: [ Ссылка ]
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For further repair information, please consult the resources available on [ Ссылка ]
For parts or parts ordering information consult your local Ford or Lincoln dealership, Motorcraft authorized-distributor, or visit us at [ Ссылка ]
For all other questions, connect with Ford Motor Company at [ Ссылка ]
Ford Motor Company, a global automotive industry leader based in Dearborn, Michigan, manufactures and distributes automobiles across six continents. With about 194,000 employees and 66 plants worldwide, the Company’s automotive brands include Ford and Lincoln. The Company provides financial services through Ford Motor Credit Company. For more information regarding Ford and its products worldwide, please visit www.corporate.ford.com.
Ford Super Duty Diesel Motor Oil Update | Ford Tech Talk
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