OER Parts offers a wide selection of Oil System & Parts for your 1969 GMC All Models. OER Parts offers 1969 GMC All Models Bypass Valves, 1969 GMC All Models Dipsticks and Tubes, 1969 GMC All Models Filter Adapters, 1969 GMC All Models Oil Coolers, 1969 GMC All Models Oil Filters, 1969 GMC All Models Oil Pan Baffles, 1969 GMC All Models Oil Pans, 1969 GMC All Models Oil Pickup Tubes, 1969 GMC All Models Oil Pumps, and 1969 GMC All Models Oil Senders.