2003-2009 GM 4500/5500 4-Link Rear Air Suspension Set your ambulance up with the industry leader, Kelderman Air Suspension Systems, and a 4-Link Rear Air Suspension Systems!
2003-2009 GM 4500/5500 Cab & Chassis 2-Stage Front Air Suspension Take that workhorse 4500/5500 chassis and help improve the ride with a Kelderman 2-Stage front setup!
2003-2009 GM 4500/5500 Cab & Chassis 2-Stage Rear Air Suspension Take the bumps out of the road with a Kelderman 2-Stage Air Suspension.