{"product_id":"raybestos-mc391317-brake-master-cylinder","title":"Raybestos MC391317 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Lexus GS and IS Models\u003c\/h2\u003e\u003cp\u003eThe Raybestos Element3; New Brake Master Cylinder MC391317 is engineered to restore precise brake hydraulics for select Lexus vehicles. Designed with durable aluminum construction and exact fitment specifications, this master cylinder supports consistent braking performance for Lexus GS300, GS350, GS430, GS460, IS250, IS350, and IS F models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from lightweight, corrosion-resistant aluminum\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes with 0.354-inch diameter for secure installation\u003c\/li\u003e\n\u003cli\u003e0.875-inch bore size optimized for brake fluid pressure control\u003c\/li\u003e\n\u003cli\u003eTwo ports with M10x1 thread size for primary and secondary brake lines\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Lexus GS and IS series vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Line: Raybestos Element3; New\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, offering enhanced durability and fitment accuracy for Lexus brake systems. The aluminum master cylinder material contributes to reduced weight and improved corrosion resistance compared to traditional cast iron units.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe MC391317 brake master cylinder features a 0.875-inch bore size, which is critical for maintaining proper hydraulic pressure within the brake system. It includes two mounting holes, each with a diameter of 0.354 inches, ensuring a secure and stable fit on compatible Lexus models. Both the primary and secondary ports use M10x1 threading, allowing for straightforward connection to brake lines. The aluminum construction provides a balance of strength and resistance to corrosion, supporting long-term reliability in brake hydraulics.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake fluid pressure for Lexus GS300, GS350, GS430, GS460, IS250, IS350, and IS F\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake pedal sponginess\u003c\/li\u003e\n\u003cli\u003eAddresses brake fluid leaks from damaged or corroded master cylinders\u003c\/li\u003e\n\u003cli\u003eImproves brake system responsiveness and safety\u003c\/li\u003e\n\u003cli\u003eSupports consistent brake performance under varied driving conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the mounting holes align precisely with the vehicle’s brake booster or firewall mounting points. Verify that the M10x1 threaded ports match the brake line fittings to avoid leaks. Properly bleed the brake system after installation to remove air and restore full hydraulic pressure. Use recommended brake fluid compatible with Lexus specifications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos Element3; New brake master cylinders are manufactured to meet or exceed OEM standards for fit, form, and function. The aluminum construction is tested for durability and corrosion resistance. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":52114548326581,"sku":"BDBL-MC391317","price":136.96,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC391317_Fro.jpg?v=1775161067","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc391317-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}