Valvoline Super Diesel 15W-40 is diesel engine oil formulated to API CH-4, CG-4, and SJ specifications. Developed to prevent oil thickening due to soot build up, Super Diesel 15W-40 also protects critical engine components from the effects of corrosive combustion gases.
- Combats the detrimental effects of high temperature deposits, while maintaining an extreme level of engine cleanliness
- Resists thermal breakdown
- Reduces deposit formation