Quick Overview SUPER PREMIUM GRADE: Raybestos Element3 Drum Brake Wheel Cylinders are built for a long service life and feature the highest-quality components, delivering top-of-the-line performance and safety OE SPECIFICATIONS: Developed from OE samples, ensuring proper fit, function and safety HIGH-QUALITY COMPONENTS: High-quality rubber components offer superior resistance to heat and corrosion and ensure a long service life RIGOROUSLY TESTED: 100 percent pressure tested for dependable operation and leak-free performance VEHICLE FIT: Chevrolet DJ 1946, Fleetline 1941-1942, 1946-1948, Fleetmaster 1942, 1946-1948, JA Master Deluxe 1939, Master 1937-1938, Master 85 1939-1940, Master Deluxe 1937, Master Deluxe Truck 1937, Master Truck 1937-1938, Sedan Delivery 1947-1948, Special Deluxe 1940, 1942, Stylemaster Series 1946-1948, Chevrolet Truck 1937; Pontiac Streamliner 1942, 1946-1948, Torpedo 1942, 1946-1948 Premium Raybestos WC3731 Element3 Replacement Front Drum Brake Wheel Cylinders are built for a long service life and feature the highest-quality components, delivering top-of-the-line performance and safety. High-quality rubber components offer superior resistance to heat and corrosion and ensure a long service life. With an OE design to ensure proper fit, function and safety, these drum brake wheel cylinders deliver consistent, safe and reliable performance.