Valvoline Professional Series VPS HD Diesel System Cleaner Complete cleans and restores the entire fuel system of high-performance diesel engines, restoring the engine's original power and performance. The product protects against the formation of deposits, while the flow improver ensures smooth starting in cold temperatures. The chemical composition stabilizes the fuel and prevents aging and bacterial contamination. A clean diesel system leads to increased performance and fuel efficiency.

Additional product benefits:

• Reduces downtime during maintenance as the engine remains clean
• Decreases wear and helps the engine run smoother and more efficiently
• Removes deposits, cleans injectors, and restores the spray pattern
• Maximizes the power and performance of all heavy-duty diesel engines
• Reduces soot particle emissions caused by deposits and incomplete combustion, and helps maintain cold start properties.