Ridgeline™ motor oil products are API licensed, which means they can be counted on to provide protection and efficiency for your engine applications.
SAE 5W-40 CK-4 SAE 0W-40 CK-4Ridgeline™ SAE 5W-40 CK-4 is a high performance, full synthetic heavy duty engine oil formulated for modern diesel powered engines operating across a range of severe applications. This oil offers excellent shear stability and is reliable for extreme cold engine start-up. Advanced API CK-4 additive technology is fully backwards compatible with, and replaces, service categories CJ-4, CI-4 Plus, and previous.
RIDGELINE™ SAE 0W-40 CK-4 is a high performance, full synthetic heavy duty engine oil formulated for modern diesel powered engines operating across a range of severe applications. This oil offers excellent shear stability and is reliable for extreme cold engine start-up. Advanced API CK-4 additive technology is fully backwards compatible with, and replaces, service categories CJ-4, CI-4 Plus, and previous.
Distributed by Parkland Corporation, 1800, 240 4 Ave SW, Calgary, AB T2P 4H4
™ Trademark of Parkland Corporation
Manufactured in U.S.A with foreign & domestic components