The Gabriel 43180 Rear Load Carrier Shock Absorber is engineered to enhance the suspension performance of specific Chevrolet and GMC models, including the Chevrolet Express 1500, 2500, 3500 (1996-2023), and the GMC Savana 1500, 2500, 3500 (1996-2023). This shock absorber integrates spring assist technology to effectively manage the challenges posed by frequent towing and heavy hauling, ensuring improved ride stability and vehicle control under load-bearing conditions. Designed with a combination of constant-rate front coil springs and variable-rate rear coil springs, the Gabriel 43180 provides a load capacity of 500 lbs. per pair. This configuration helps maintain ride height and stability, reducing the loss of ride height during ongoing loaded conditions. The constant-rate front coil springs contribute to improved stability and assist in restoring or maintaining ride height, while the variable-rate rear coil springs offer additional load support. It's important to note that while this shock absorber aids in maintaining ride height under load, it does not increase the vehicle's payload capacity and should not exceed the vehicle's Gross Vehicle Weight Rating (GVWR). The shock absorber features a leak-proof piston seal, which helps extend product life by preventing oil leakage and maintaining consistent damping performance. The super-finished chromed piston rod inhibits corrosion, ensures proper seal lubrication, and provides a more consistent wear surface, contributing to the shock absorber's durability and longevity. Additionally, the Drawn-Over-Mandrel (D.O.M.) tubing reduces internal wear, further enhancing the product's lifespan. For installation, the Gabriel 43180 is designed with upper and lower mounts that utilize stud configurations, facilitating a straightforward replacement process. This design ensures compatibility with the specified vehicle models, allowing for efficient maintenance and reduced downtime. By incorporating the Gabriel 43180 Rear Load Carrier Shock Absorber into your fleet's maintenance regimen, you can expect enhanced suspension performance, improved ride stability, and extended service life for your vehicles, particularly under heavy-duty towing and hauling conditions.