EXTENDS ENGINE LIFE & SAVES FUEL: U1P 5W-40 Full Synthetic Oil fights wear, reduces oil consumption, and offers improved fuel economy for heavy-duty diesel engines.
PROTECTS EMISSION SYSTEMS: Advanced API CK-4 formula safeguards Diesel Particulate Filters (DPF) and other after-treatment systems, promoting cleaner emissions.
SUPERIOR HIGH-TEMPERATURE PERFORMANCE: Full synthetic base oil resists heat breakdown, providing continuous protection and optimal oil pressure throughout extended service intervals.
EXCEEDS LATEST DIESEL ENGINE STANDARDS: API CK-4/SN approved for 2017+ on-highway and Tier 4 off-road diesel engines while remaining compatible with older models.
OUTSTANDING WEAR PROTECTION: U1P 5W-40 offers superior wear protection compared to previous API CJ-4 oils, safeguarding your heavy-duty diesel engine.