ACDelco Professional 18M2426 Brake Master Cylinder Assembly Fits select: 2003-2006 CHEVROLET SILVERADO, 2003-2006 GMC NEW SIERRA

Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and qualityPressure tested to ensure safe and confident braking Cast iron and aluminum specifications; no extra stress on the brake boosting mountingGeometrical tolerance ensures that the body and plastic reservoir match for a proper fit Piston assembly and return spring help to prevent brake drag, which can cause premature brake pad wear. Bore Diameter-0.937 inch. Primary Outlet Thread-0.50 inch. Secondary Outlet Thread-0.5 inch Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality Pressure tested to ensure safe and confident braking Fits Select: 2003-2006 CHEVROLET SILVERADO 2003-2006 GMC NEW SIERRA 2003-2006 GMC SIERRA 2004-2007 CHEVROLET EXPRESS G3500 2003-2007 CHEVROLET EXPRESS G2500 2007 CHEVROLET SILVERADO C2500 HEAVY DUTY 2003-2007 GMC SAVANA 2007 GMC SIERRA C2500 HEAVY DUTY 2003-2006 CHEVROLET SUBURBAN 2003-2006 GMC YUKON XL 2003-2006 CHEVROLET AVALANCHE and more - add your vehicle to our fit widget to check