OER Parts offers a wide selection of Cooling System Components for your 1969 GMC C15/C1500 Pickup. OER Parts offers 1969 GMC C15/C1500 Pickup Overflow System Components, 1969 GMC C15/C1500 Pickup Hoses & Clamps, 1969 GMC C15/C1500 Pickup 3/8" ID Radiator Overflow Hose, 1969 GMC C15/C1500 Pickup Radiator Overflow Bottle, Hose & Cap Set, 1969 GMC C15/C1500 Pickup Overflow Hose Retainer Clip, and 1969 GMC C15/C1500 Pickup Overflow Hose Clamps.