This direct replacement drum brake wheel cylinder was specifically engineered to match the fit, function and performance of the original wheel cylinder on particular vehicles. It is manufactured and tested for quality assurance. Cost-effective fix - replacement of cylinder while servicing drum brakes is fastest, surest way to ensure brake performance Ideal replacement - specifically engineered to be direct match for original drum brake wheel cylinder on particular vehicles Quality materials - made with high-quality EPDM rubber cups and boots for long-lasting performance Professionally tested - wheel cylinder bores are surface-tested to ensure an optimum sealing surface for the pressure cups Package Dimensions: 3.75 x 2.50 x 2.25 inches Package Weight: 1.31 lb Package Quantity: 1 UPC: 082702414163 Bleeder Screw Cap Included: No Bleeder Screw Included: Yes Brake Component Inlet Thread Size: 3/8-24 in Inside Diameter: 1.063 in Material: Cast Iron Package Contents: 1 Drum Brake Wheel Cylinder Thread Diameter: 3/8 Country of Origin: CN