Buy 1999 Chevrolet C3500 Base Cab & Chassis Fleetside 5.7L Vortec V8 CNG A/T Leaf Spring Assembly SUSPENSION, Springs, Ton - OEM Chevrolet Part # 15030575 (15644919)

Leaf Spring Assembly.
A complete Leaf Spring Assembly containing the master Leaf Spring and graduated Leaf Springs.

Leaf Spring

3/4 ton. All Models.
Suspension Leaf Spring - Repair or Replace
Your leaf springs are not especially prone to failure, but excessive rust can make them more prone to failure. Contact your local Chevrolet service department to have the suspension system in your 1999 Chevrolet C3500 evaluated and have the leaf springs replaced if necessary.