OER Parts offers a wide selection of Brake Components for your 1938 Cadillac Series 75. OER Parts offers 1938 Cadillac Series 75 Brake Lines & Hoses, 1938 Cadillac Series 75 Brackets, 1938 Cadillac Series 75 Brake Valves, 1938 Cadillac Series 75 Clips, 1938 Cadillac Series 75 Distribution Block, 1938 Cadillac Series 75 Fittings and Tees, 1938 Cadillac Series 75 Rubber Hoses, 1938 Cadillac Series 75 Shields, and 1938 Cadillac Series 75 Steel Lines.