CK-4 & FA-4: TWO SUBSTANTIAL UPGRADES

Ck 4 Fa 4 Landing Page 1760x800 V2

Phillips 66® Heavy Duty Engine Oils are formulated to extend the life of your equipment and increase fuel economy.

Our products exceed all CK-4 & FA-4 specifications. The performance requirements of CK-4 and FA-4 go beyond API CJ-4. All of our products endured the same rigorous performance testing and stand alone as the fastest, most inexpensive way to benefit your fleet or equipment—while increasing durability. From these upgrades come eight products developed to help you maximize the efficiency of your business.




Download the CK-4 & FA-4 Quick Reference Guide


CK-4 Products:

FIREBIRD® HEAVY DUTY EC DIESEL ENGINE OIL

API CK-4 diesel engine oil formulated with re-refined base stocks

FLEET SUPREME EC® DIESEL ENGINE OIL

API CK-4 diesel engine oil for low-emission engines

GUARDOL ECT®

Premium synthetic blend API CK-4 diesel engine oil; fortified with Liquid Titanium® protection additive

TRITON® ARCTIC DIESEL ENGINE OIL

Premium full-synthetic diesel engine oil for arctic climates; fortified with Liquid Titanium® protection additive

TRITON® ECT DIESEL ENGINE OIL

Premium full synthetic API CK-4 diesel engine oil; fortified with Liquid Titanium® protection additive

TRITON® EURO DIESEL ENGINE OIL

Premium full synthetic API CK-4 diesel engine oil


FA-4 Products:

GUARDOL FE® DIESEL ENGINE OIL WITH LIQUID TITANIUM®

Premium synthetic blend API FA-4 diesel engine oil; formulated for fuel economy

TRITON® FE DIESEL ENGINE OIL

Premium full synthetic API FA-4 diesel engine oil; formulated for fuel economy


Watch and share this video series created by Phillips 66 Lubricants product experts to learn more.