2019, 2020, 2021, 2022, 2023, 2024 Dodge Ram 6.7L Cummins

2011, 2010, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Ford 6.7L Powerstroke

Premium performance, synthetic plus, heavy-duty diesel engine oil
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.

SynShield® Ultra Performance 10W-30 Engine Oil is built for on-highway and off-highway applications subjected to severe stop-and-go, excessive idling, short haul and/or severe duty operating conditions. Using our proprietary friction modifiers, Micron Moly® and Penetro®, SynShield® Ultra Performance 10W-30 diesel oil creates a slippery, tenacious shield that prevents metal-to-metal contact for increased engine durability and efficiency.

• 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 specs, WSS-M2C171-E, WSS-M2C171-F1.