The PRT AUTO PARTS 174088 20.47" Extended Length Twin-Tube Shock Absorber is engineered to enhance the performance and longevity of heavy-duty vehicles. Designed with a nitrogen gas charge, this shock absorber effectively prevents overheating, thereby improving overall performance and extending service life. Its twin-tube design, coupled with vehicle-specific valving, ensures optimal damping tailored to the unique requirements of each application. The aluminum alloy piston and high-quality oil seal contribute to its durability, while the micro-smooth chrome-plated piston rod minimizes wear and corrosion. Utilizing high-performance all-weather internal hydraulic oil, the 174088 maintains consistent performance across various operating conditions. This shock absorber meets or exceeds original equipment manufacturer (OEM) performance standards, ensuring reliable and effective replacement for existing systems. The extended length of 20.47 inches and a shock stroke of 7.48 inches provide enhanced control and stability, crucial for maintaining vehicle handling and safety. The lower and upper mount types are both loop, facilitating straightforward installation. The gas-charged design further enhances performance by reducing aeration and cavitation, leading to improved ride quality and handling. The body diameter of 2.00 inches and the inclusion of a metal dust shield protect internal components from contaminants, thereby extending the service life of the shock absorber. By integrating advanced design features and high-quality materials, the PRT AUTO PARTS 174088 20.47" Extended Length Twin-Tube Shock Absorber offers a reliable solution for maintaining vehicle stability and comfort, ultimately contributing to the operational efficiency of fleet operations.