SynShield Ultra Performance 10W-30 Diesel Engine Oil is a premium performance, synthetic plus, heavy-duty diesel engine oil formulated to provide maximum protection against wear, oxidation, deposit formation, soot contamination and aeration.
- Meets and exceeds API CK-4.
- Severe service engine protection your budget will appreciate.
- Fuel economy benefits even in adverse operating conditions.
- Oil durability: excellent oxidation and viscosity control with less oil consumption.
- Keep-clean performance: superior soot busting, deposit-dispersing capability.
- Friction modified with Micron Moly and Penetro.
- Meets Ford spec WSS-M2C171-F1.