John Deere TY27925: Diesel Fuel Conditioner, Fuel-Protect, 946 ml (32 Fluid Oz)

Compatible with all diesel fuels, including biodiesel up to B20 blends
Features detergents to clean, maintain, and restore fuel economy
Recommended for use with low sulfur diesel and up to 20 percent biodiesel, B20
Maintains fuel pump warranty and fuel quality