{"product_id":"raybestos-mc390421-brake-master-cylinder","title":"Raybestos MC390421 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Cadillac DeVille\u003c\/h2\u003e\u003cp\u003eThe Raybestos Element3; New Brake Master Cylinder MC390421 is engineered to restore precise brake hydraulics for your Cadillac DeVille. Designed with durable aluminum construction and specific mounting features, this master cylinder ensures consistent brake performance and safety.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Cadillac DeVille models\u003c\/li\u003e\n\u003cli\u003eConstructed from lightweight, corrosion-resistant aluminum\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes with 0.433-inch diameter for secure installation\u003c\/li\u003e\n\u003cli\u003e1.125-inch bore size for optimal hydraulic pressure\u003c\/li\u003e\n\u003cli\u003ePrimary port thread size M12x1 and secondary port thread M14x1.5\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Raybestos Element3; New Product Line\u003c\/h2\u003e\u003cp\u003eThe Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components with modern materials and precise engineering. This brake master cylinder is part of that line, featuring aluminum construction for improved durability and resistance to corrosion compared to traditional cast iron units. The Element3; New series is designed to meet or exceed OEM specifications, providing a dependable replacement for your Cadillac DeVille’s braking system.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Raybestos MC390421 brake master cylinder is crafted from aluminum, offering a balance of strength and lightweight design. It includes two mounting holes, each with a diameter of 0.433 inches, ensuring a secure fit on the vehicle’s firewall. The 1.125-inch bore size is engineered to deliver the correct hydraulic pressure for the Cadillac DeVille’s braking system. The primary and secondary ports feature M12x1 and M14x1.5 thread sizes respectively, compatible with standard brake line fittings. This precise fitment helps maintain brake fluid integrity and system reliability.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake hydraulic pressure for Cadillac DeVille models\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eEliminates spongy or unresponsive brake pedal feel\u003c\/li\u003e\n\u003cli\u003eAddresses internal seal failures leading to brake system failure\u003c\/li\u003e\n\u003cli\u003ePrevents brake warning lights related to hydraulic issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is securely lifted and supported before beginning installation. Carefully remove the old master cylinder and inspect brake lines for wear or damage. Use the correct thread sizes (M12x1 primary, M14x1.5 secondary) when connecting brake lines to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore proper brake pedal feel. Verify mounting hole alignment with the 0.433-inch diameter holes for a secure fit.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos manufactures the MC390421 brake master cylinder to meet stringent quality standards. The aluminum construction resists corrosion and wear, contributing to long service life. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44427852087477,"sku":"BDBL-MC390421","price":100.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC390421_Fro.jpg?v=1775018829","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc390421-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}