SuperSprings Air Suspension Helper Spring P/N:SSR-338-54

Carry heavier loads with less rear sag, sway, and bottoming using the SuperSprings SumoSprings Air Suspension Helper Spring (SSR-338-54, also written SSR33854). This rear helper spring installs as a direct-fit application for the 2017-2021 Freightliner Sprinter 3500, 2020 Mercedes-Benz Sprinter 2500, 2010-2025 Mercedes-Benz Sprinter 3500, and 2019-2025 Mercedes-Benz Sprinter 4500 — see the Buyer's Guide tab for engine-level fitment. As a Solo kit, it serves as a replacement for the factory bump stops and requires no drilling to install.

• Load support: Enhances load-carrying ability with a 3000 lb capacity at 50 percent compression — never load any vehicle beyond the manufacturer's GVWR.
• Ride control: Reduces and stabilizes sway and improves overall driver control and ride comfort, with a progressive spring rate.
• Construction: Made from proprietary, patented closed microcellular urethane; compresses up to 80 percent of original height with full memory rebound. Yellow.
• Maintenance-free air spring: Requires no maintenance and no airlines or compressors, and does not leak air.

Sold as a pair, left and right. Proudly made in the U.S.A.