{"product_id":"raybestos-mc391026-brake-master-cylinder","title":"Raybestos MC391026 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet and GMC Vans\u003c\/h2\u003e\u003cp\u003eThe Raybestos Element3; New Brake Master Cylinder MC391026 is engineered to restore precise brake hydraulics for Chevrolet Express 3500 and GMC Savana 3500 models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from lightweight, corrosion-resistant aluminum\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes with 0.413-inch diameter for secure installation\u003c\/li\u003e\n\u003cli\u003e37.000 mm bore size optimized for brake fluid pressure control\u003c\/li\u003e\n\u003cli\u003eTwo ports with 1\/2\"-20 thread size for primary and secondary brake lines\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Express 3500 and GMC Savana 3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Raybestos Element3; New Product Line\u003c\/h2\u003e\u003cp\u003eThe Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components with precise engineering and quality materials. This brake master cylinder MC391026 is part of that line, offering a balance of durability and performance tailored for heavy-duty vans like the Chevrolet Express 3500 and GMC Savana 3500. The aluminum master cylinder material reduces weight while maintaining strength, contributing to overall vehicle safety and brake system efficiency.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder features a 37.000 mm bore size, which is critical for maintaining proper hydraulic pressure in the brake system. The two mounting holes, each with a diameter of 0.413 inches, provide a secure and stable fit. Both the primary and secondary ports use a 1\/2\"-20 thread size, ensuring compatibility with standard brake line fittings. The aluminum construction offers resistance to corrosion and heat, extending the service life of the part under demanding conditions.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake fluid pressure in Chevrolet Express 3500 and GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake pedal sponginess\u003c\/li\u003e\n\u003cli\u003eSolves issues related to inconsistent braking or brake failure warnings\u003c\/li\u003e\n\u003cli\u003eAddresses master cylinder seal leaks and internal fluid bypass\u003c\/li\u003e\n\u003cli\u003eImproves brake system responsiveness and safety\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 two 0.413-inch mounting holes to align the new master cylinder properly. Thread sizes of 1\/2\"-20 on both ports require compatible brake line fittings. After installation, bleed the brake system thoroughly to remove air and verify proper brake pedal feel.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos manufactures the MC391026 brake master cylinder to meet or exceed OEM specifications. The aluminum material and precise bore size contribute to long-term durability. 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 the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44427919065269,"sku":"BDBL-MC391026","price":141.68,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC391026_Fro.jpg?v=1775018920","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc391026-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}