DFC 40-58 Buick Series 40 Special Front-L Brake Wheel Cylinder

1940 - 1958 BUICK, CADILLAC, PONTIAC SERIES 40 SPECIAL, 50 SUPER, 60 CENTURY, 70 ROADMASTER, 90 LIMITED, FLEETWOOD, BROUGHAM, COMMERCIAL CHASSIS, SERIES 75, 60 SPECIAL, RWD, BONNEVILLE, CATALINA, EXECUTIVE & EARLY MODELS, STAR CHIEF, SUPER CHIEF

Restore dependable hydraulic braking performance with the DFC DFC375-45015 Front Left Brake Wheel Cylinder. Designed for select 1940–1958 Buick, Cadillac, and Pontiac applications, this replacement wheel cylinder supports proper brake shoe movement and helps maintain consistent braking response. It is engineered for left-front installation on compatible drum brake systems and is suitable for restoration projects, routine repairs, and replacement of worn or leaking original components.
The DFC375-45015 is designed to fit select Buick Roadmaster, Special, Super, Century, Limited, and related models, along with Cadillac Commercial Chassis, Series 75 Fleetwood, and other listed applications. It also fits select Pontiac Bonneville, Catalina, Executive, Star Chief, and Super Chief models, including early rear-wheel-drive configurations where specified. Always verify the vehicle year, model, series, brake configuration, and installation position before ordering to ensure correct application.
Built as a direct replacement component, this DFC wheel cylinder is intended to help restore the intended operation of the original drum brake assembly. Replacing a damaged or compromised wheel cylinder can help address brake fluid leakage, uneven braking, reduced pedal performance, and inconsistent brake shoe engagement. Professional installation and proper brake system bleeding are recommended after installation. This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Features:

• Brand: DFC

• Part Number: DFC375-45015

• Position: Front left

• Product Type: Brake wheel cylinder

• Vehicle Compatibility: Select 1940–1958 Buick, Cadillac, and Pontiac models

• Compatible Applications: Buick Roadmaster Series 70, Special, Super, Century, Limited, and related models

• Compatible Applications: Cadillac Commercial Chassis and Series 75 Fleetwood models

• Compatible Applications: Pontiac Bonneville, Catalina, Executive, Star Chief, and Super Chief models

• Brake System: Designed for compatible drum brake assemblies

• Installation: Direct replacement for the original wheel cylinder on specified applications

Fitment:
Buick Century Series 60 Base 1940
Buick Century Series 60 Base 1941
Buick Century Series 60 Base 1942
Buick Limited Series 90 Base 1940
Buick Limited Series 90 Base 1941
Buick Limited Series 90 Base 1942
Buick Roadmaster Series 70 Base 1940
Buick Roadmaster Series 70 Base 1941
Buick Roadmaster Series 70 Base 1942
Buick Roadmaster Series 70 Base 1946
Buick Roadmaster Series 70 Base 1947
Buick Roadmaster Series 70 Base 1948
Buick Roadmaster Series 70 Base 1949
Buick Special Base 1950
Buick Special Base 1951
Buick Special Base 1952
Buick Special Base 1953
Buick Special Base 1954
Buick Special Base 1955
Buick Special Base 1956
Buick Special Base 1957
Buick Special 40 Base 1940
Buick Special Series 40 Base 1946
Buick Special Series 40 Base 1947
Buick Special Series 40 Base 1948
Buick Special Series 40 Base 1949
Buick Special Series 40-A Base 1941
Buick Special Series 40-A Base 1942
Buick Special Series 40-B Base 1941
Buick Special Series 40-B Base 1942
Buick Super Base 1950
Buick Super Base 1951
Buick Super Base 1952
Buick Super Base 1953
Buick Super Base 1954
Buick Super Base 1955
Buick Super Base 1956
Buick Super Base 1957
Buick Super Series 50 Base 1940
Buick Super Series 50 Base 1941
Buick Super Series 50 Base 1942
Buick Super Series 50 Base 1946
Buick Super Series 50 Base 1947
Buick Super Series 50 Base 1948
Buick Super Series 50 Base 1949
Cadillac Commercial Chassis Base 1946
Cadillac Commercial Chassis Base 1947
Cadillac Commercial Chassis Base 1948
Cadillac Commercial Chassis Base 1949
Cadillac Commercial Chassis Base 1950
Cadillac Commercial Chassis Base 1951
Cadillac Commercial Chassis Base 1952
Cadillac Commercial Chassis Base 1953
Cadillac Commercial Chassis Base 1954
Cadillac Commercial Chassis Base 1955
Cadillac Commercial Chassis Base 1956
Cadillac Series 60 Base 1942
Cadillac Series 60 Fleetwood Base 1950
Cadillac Series 60 Fleetwood Base 1951
Cadillac Series 60 Fleetwood Base 1952
Cadillac Series 60 Fleetwood Base 1953
Cadillac Series 60 Fleetwood Base 1954
Cadillac Series 60 Fleetwood Base 1955
Cadillac Series 60 Fleetwood Base 1956
Cadillac Series 60 Special Fleetwood Base 1946
Cadillac Series 60 Special Fleetwood Base 1947
Cadillac Series 60 Special Fleetwood Base 1948
Cadillac Series 60 Special Fleetwood Base 1949
Cadillac Series 75 Base 1942
Cadillac Series 75 Fleetwood Base 1946
Cadillac Series 75 Fleetwood Base 1947
Cadillac Series 75 Fleetwood Base 1948
Cadillac Series 75 Fleetwood Base 1949
Cadillac Series 75 Fleetwood Base 1950
Cadillac Series 75 Fleetwood Base 1951
Cadillac Series 75 Fleetwood Base 1952
Cadillac Series 75 Fleetwood Base 1953
Cadillac Series 75 Fleetwood Base 1954
Cadillac Series 75 Fleetwood Base 1955
Cadillac Series 75 Fleetwood Base 1956
Pontiac Bonneville Base 1958
Pontiac Catalina Base 1958
Pontiac Chieftain Base 1958
Pontiac Chieftain Safari 1958
Pontiac Star Chief Base 1958
Pontiac Star Chief Custom Safari 1958
Pontiac Star Chief Super Deluxe 1958
Pontiac Super Chief Base 1958