{"product_id":"raybestos-mc390125-brake-master-cylinder","title":"Raybestos MC390125 Brake Master Cylinder","description":"\u003ch2\u003eBrake Master Cylinder Overview\u003c\/h2\u003e\u003cp\u003eRaybestos Element3 brake master cylinder MC390125 is a direct hydraulic replacement for the brake system on the 1993 Ford Mustang. It is built with an aluminum body and the port and bore specifications needed for the listed application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAluminum master cylinder construction for a lightweight, corrosion-resistant housing.\u003c\/li\u003e\n\u003cli\u003e1.000-inch bore size for consistent hydraulic pressure delivery.\u003c\/li\u003e\n\u003cli\u003eFour ports with M10x1 and M12x1 thread specifications.\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes with 0.413-inch diameter for the listed fitment.\u003c\/li\u003e\n\u003cli\u003eRaybestos Element3 line for brake hydraulic service parts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eMC390125 is a Raybestos brake master cylinder engineered for the 1993 Ford Mustang. The aluminum construction, 1.000-inch bore, and four-port layout make it a fitment-specific hydraulic component for restoring brake pedal response and system pressure in the Mustang brake hydraulics package. This part cross-references Dorman - First Stop M390125 for the same application.\u003c\/p\u003e\u003cp\u003eThe Element3 product line identifies Raybestos brake components built for service replacement use, with specifications matched to the application rather than a universal design. For buyers searching for a 1993 Ford Mustang brake master cylinder or MC390125 replacement, this part provides the listed port and mounting dimensions needed for correct installation.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a leaking or worn master cylinder.\u003c\/li\u003e\n\u003cli\u003eRestoring firm brake pedal feel.\u003c\/li\u003e\n\u003cli\u003eAddressing internal hydraulic bypass that reduces braking performance.\u003c\/li\u003e\n\u003cli\u003eCorrecting brake fluid pressure loss in the master cylinder assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the bore size, port thread sizes, and mounting hole dimensions before installation. Match the brake line connections to the M10x1 and M12x1 ports and confirm the application is the 1993 Ford Mustang. Bleed the brake system after installation to remove air from the hydraulic circuit.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eRaybestos Element3 brake hydraulics are application-specific replacement parts built to match the listed service requirements for the vehicle.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":53580500664501,"sku":"BDBL-MC390125","price":84.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC390125_Fro.jpg?v=1792646215","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc390125-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}