OER Parts offers a wide selection of Rear End Components for your 1972 GMC K35/K3500 Pickup. OER Parts offers 1972 GMC K35/K3500 Pickup Differential Hardware.
Product#: 1236317
1971-2002 GM; Rear Axle Ventilator; Various Models; Reproduction; for.452" Hole
Product#: 15771000
1953-2010 GM; Rear Axle / Transmission Ventilator; for 3/8" Hole