The 300018157 SEAL, BACK-UP RING from White Drive Products is a critical component for ensuring the integrity of hydraulic systems. This back-up ring is designed to prevent extrusion and enhance the longevity of seals in high-pressure applications. Made from high-quality materials, it offers excellent resistance to wear and tear, ensuring reliable performance. The back-up ring is compatible with various hydraulic seals and meets industry standards for quality and durability. Ideal for maintaining the efficiency of your hydraulic systems, this component is essential for optimal operation.