32oz UltraGuard
 
Alliant Power UltraGuard Fuel Additive is a premium diesel treatment engineered to clean, protect, and optimize modern fuel systems. Designed for today’s high‑pressure common‑rail engines, UltraGuard restores lost power, improves fuel economy, and reduces injector wear caused by low‑lubricity diesel fuel. Its advanced formula removes harmful deposits, stabilizes fuel, and enhances lubricity for smoother performance and longer engine life.
 
Whether you drive a diesel pickup, manage a commercial fleet, or rely on heavy‑duty equipment, UltraGuard delivers year‑round protection against corrosion, moisture, and injector fouling. Experience easier starts, quieter operation, and more efficient combustion with every tank.
Perfect for: diesel trucks, agriculture equipment, construction machinery, marine engines, generators, and fleet vehicles.
 
Alliant Power UltraGuard — Clean Fuel. Stronger Performance. Maximum Protection.