{"product_id":"dorman-m390401-brake-master-cylinder","title":"Dorman M390401 Brake Master Cylinder - 1 in Bore Diameter (18026277)","description":"Brake Master Cylinder \u003cbr\u003e\u003cbr\u003eThis brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.\u003cul\u003e\n\u003cli\u003ePrecise replacement - cylinder housing is constructed to match the casting material of the original part and ensure similar performance\u003c\/li\u003e\n\u003cli\u003eDurable design - all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid\u003c\/li\u003e\n\u003cli\u003e100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safety\u003c\/li\u003e\n\u003cli\u003eStrict specifications - made to meet rigorous SAE International standards\u003c\/li\u003e\n\u003c\/ul\u003eSpecifications\u003cul\u003e\n\u003cli\u003eMaster Cylinder Bore Diameter: 1 in\u003c\/li\u003e\n\u003cli\u003eMaster Cylinder Material: Aluminum\u003c\/li\u003e\n\u003cli\u003eMounting Hardware Included: No\u003c\/li\u003e\n\u003cli\u003eNumber of Outlets: 2\u003c\/li\u003e\n\u003cli\u003ePackage Contents: Master Cylinder\u003c\/li\u003e\n\u003cli\u003ePackage Quantity: 1\u003c\/li\u003e\n\u003cli\u003ePackaging Type: Box\u003c\/li\u003e\n\u003cli\u003ePrimary Outlet Thread Pitch: 1 mm\u003c\/li\u003e\n\u003cli\u003eRearward Outlet Size: M12 X 1.0\u003c\/li\u003e\n\u003cli\u003eReservoir Included: Yes\u003c\/li\u003e\n\u003cli\u003eSecondary Outlet Thread Diameter: M12 X 1.0\u003c\/li\u003e\n\u003cli\u003eSensor Included: Yes\u003c\/li\u003e\n\u003c\/ul\u003eOE Number(s)\u003cul\u003e\u003cli\u003e18026277 - GENERAL MOTORS\u003c\/li\u003e\u003c\/ul\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":68100553507120,"sku":"FMPDORM390401","price":75.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/0740\/3056\/files\/M390401.jpg?v=1792119581","url":"https:\/\/www.afterhoursautoparts.com\/products\/dorman-m390401-brake-master-cylinder","provider":"After Hours Auto Parts","version":"1.0","type":"link"}