OER Parts offers a wide selection of Brake Components for your 1940 Cadillac Series 90. OER Parts offers 1940 Cadillac Series 90 Brake Lines & Hoses, 1940 Cadillac Series 90 Brackets, 1940 Cadillac Series 90 Brake Valves, 1940 Cadillac Series 90 Clips, 1940 Cadillac Series 90 Distribution Block, 1940 Cadillac Series 90 Fittings and Tees, 1940 Cadillac Series 90 Rubber Hoses, 1940 Cadillac Series 90 Shields, and 1940 Cadillac Series 90 Steel Lines.