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. Professionally tested - wheel cylinder bores are surface-tested to ensure an optimum sealing surface for the pressure cups Quality materials - made with high-quality EPDM rubber cups and boots for long-lasting performance 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 Package Dimensions: 2.9 x 2.4 x 4.3 inches Package Weight: 1.228 lb Package Quantity: 1 UPC: 082702412855 Bleeder Screw Cap Included: No Bleeder Screw Included: Yes Brake Component Inlet Thread Size: 3/8-24 in Inside Diameter: 0.75 in Material: Cast Iron Package Contents: 1 Drum Brake Wheel Cylinder Thread Diameter: 3/8 Country of Origin: CN