Schaeffer's 9000 SynShield OTR Plus Full Synthetic 5W-40 Diesel Engine Oil, 1 Qt. - 2 Pack

9000-012 SynShield OTR Plus 5W-40 Full Synthetic Diesel Engine Oil

SynShield OTR Plus 5W-40 is a premium full synthetic heavy-duty diesel engine oil designed to deliver advanced performance and long-lasting protection. It helps defend your engine against wear, oxidation, sludge buildup, soot contamination, and aeration—keeping your truck running stronger for longer.

Formulated with high-quality anti-wear additives and antioxidants, this oil supports improved fuel efficiency while maintaining exceptional durability under demanding conditions. Its advanced friction-reducing technology, featuring Micron Moly and Penetro, helps minimize engine friction so components move smoothly—even under heavy loads and high mileage.

Key Features & Benefits: Full synthetic formula for superior engine protection Helps reduce engine wear, deposits, and oxidation Improves fuel efficiency and overall performance Advanced friction modifiers for smoother operation Designed for heavy-duty diesel engines under tough conditions

Keep your engine protected and performing at its best with SynShield OTR Plus 5W-40—built to go the distance.