Buy 2017 Gmc Sierra 2500 HD 6.0L Vortec V8 FLEX A/T RWD Base Extended Cab Pickup Fleetside Leaf Spring - OEM Gmc Part # 15976726

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

Leaf Spring

Fits C3500 , C3500 , K3500 , K3500

1 ton, w/o dual wheels. 1995-00, 1 ton, w/o dual wheels.
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 GMC service department to have the suspension system in your 2017 GMC Sierra 2500 HD evaluated and have the leaf springs replaced if necessary.