The Case IH C4914495 is a genuine OEM fuel preservative designed to protect diesel fuel systems from microbial contamination. This 16 oz (0.473 L) additive effectively prevents the growth of bacteria, fungi, and algae, which can lead to fuel filter clogging, fuel degradation, and engine performance issues. Regular use of this preservative helps maintain fuel quality, extends storage life, and ensures optimal operation of Case IH agricultural and construction equipment.