Fits "Classic Body Style" models only. Excludes 2006-2007 5'8" extra short box model. Optional lock kit also available for this model (Part # 80090).
Powder Coat Finish
Browse our selection of quality underseat storage box parts designed specifically for your GMC Sierra 3500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · SL · SLE · SLT · WT
Cab & Chassis · Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
V8 6.0L · V8 6.6L · V8 8.1L
Automatic · Manual
