The KYB Gas-a-Just rear shock is a monotube replacement that pairs an air-free hydraulic piston with a high-pressure nitrogen chamber and floating piston to deliver responsive control and a comfortable ride. It resists fade and adjusts instantly to driving demands, helping suspension systems — and related electronic safety controls — perform as intended for 2003–2011 Chevrolet Express 1500 and 2003 Express 3500 rear applications.
KYB Shocks & Struts Gas-A-Just Rear CHEVROLET Express 1500 2003-11 CHEVROLET Express 3500 (Van) 2003