Filtration Are they compatible? Diving into the new engine oil categories By Jason Morgan Sep 6, 2016
Filtration Chevron unveils Delo 400 API CK-4, FA-4 heavy-duty motor oils By Fleet Equipment Staff Sep 6, 2016
Filtration Demistifying CK-4 and FA-4 oils: What you need to know about compatibility, and more By Carol Birkland Aug 30, 2016
Filtration Shell Rotella updates portfolio to meet API CK-4 and FA-4 categories By Fleet Equipment Staff Aug 2, 2016
