{"product_id":"acdelco-18m311-brake-master-cylinder-assembly-18030553","title":"ACDelco 18M311 Brake Master Cylinder Assembly - 1 in Bore (18030553)","description":"\u003cp\u003eACDelco Professional Brake Master Cylinders are high-quality replacement parts, ready to bench bleed and install right out of the box with no assembly required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eClassification: Gold\u003c\/li\u003e\n\u003cli\u003eMaster Cylinder Material: Iron\u003c\/li\u003e\n\u003cli\u003eMaster Cylinder Bore Diameter: 1 in\u003c\/li\u003e\n\u003cli\u003ePrimary Outlet Thread Diameter: 0.563 in\u003c\/li\u003e\n\u003cli\u003eSecondary Outlet Thread Diameter: 0.5 in\u003c\/li\u003e\n\u003cli\u003eMounting Hole Quantity: 2\u003c\/li\u003e\n\u003cli\u003eMounting Hole Diameter: 0.423 in\u003c\/li\u003e\n\u003cli\u003ePort Quantity: 2\u003c\/li\u003e\n\u003cli\u003eBleeder Hoses Included: Yes\u003c\/li\u003e\n\u003cli\u003eMaster Cylinder Cap Included: Yes\u003c\/li\u003e\n\u003cli\u003eReservoir Included: Yes\u003c\/li\u003e\n\u003cli\u003eBrake Booster Included: No\u003c\/li\u003e\n\u003cli\u003eMounting Bracket Included: No\u003c\/li\u003e\n\u003cli\u003ePushrod Included: No\u003c\/li\u003e\n\u003cli\u003eRubber components provide superior resistance to heat, corrosion, and leakage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":67669410349301,"sku":"FMPDEL18M311","price":138.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/18030553.jpg?v=1791657137","url":"https:\/\/www.upstartautoparts.com\/products\/acdelco-18m311-brake-master-cylinder-assembly-18030553","provider":"UpStart Auto Parts \u0026 More","version":"1.0","type":"link"}