{"product_id":"raybestos-mc390930-brake-master-cylinder","title":"Raybestos MC390930 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Raybestos Element3; New Brake Master Cylinder MC390930 is engineered to restore precise brake hydraulics for Chevrolet Silverado 1500, Silverado 1500 Classic, GMC Sierra 1500, and Sierra 1500 Classic 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 0.433-inch diameter for secure installation\u003c\/li\u003e\n\u003cli\u003e1.125-inch bore size optimized for brake fluid pressure control\u003c\/li\u003e\n\u003cli\u003ePrimary and secondary port threads sized at 1\/2\"-20 for compatibility with standard brake lines\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Silverado 1500 and GMC Sierra 1500 models, including Classic variants\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 that meet or exceed OEM standards. This product line emphasizes precision engineering and material quality, such as the aluminum master cylinder body found in part number MC390930, to provide consistent brake system performance and durability for light trucks like the Chevrolet Silverado and GMC Sierra series.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe MC390930 brake master cylinder features a 1.125-inch bore size that regulates hydraulic pressure effectively within the brake system. Its aluminum construction offers resistance to corrosion and heat, contributing to longer service life. The two mounting holes, each with a diameter of 0.433 inches, ensure a secure and stable fit on the vehicle’s firewall. Both primary and secondary ports use 1\/2\"-20 thread sizes, compatible with standard brake line fittings, facilitating straightforward installation and maintenance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pressure loss due to worn or leaking master cylinders\u003c\/li\u003e\n\u003cli\u003eEliminates spongy or unresponsive brake pedal feel\u003c\/li\u003e\n\u003cli\u003eAddresses brake fluid leaks at the master cylinder ports\u003c\/li\u003e\n\u003cli\u003eReplaces corroded or damaged aluminum master cylinders in Chevrolet Silverado 1500 and GMC Sierra 1500 trucks\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system reliability and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Chevrolet Silverado 1500, Silverado 1500 Classic, GMC Sierra 1500, and Sierra 1500 Classic models before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air and ensure proper hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eUse appropriate brake fluid as specified by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eInspect mounting holes and port threads for damage prior to installation\u003c\/li\u003e\n\u003cli\u003eFollow torque specifications for mounting bolts to avoid leaks or misalignment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos manufactures the MC390930 brake master cylinder to meet stringent quality standards, ensuring reliable performance in demanding conditions. The Element3; New product line is designed with OEM-equivalent materials and specifications. Warranty coverage details should be confirmed with the product documentation or authorized distributors.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44427907596469,"sku":"BDBL-MC390930","price":144.07,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC390930_Fro_2dfedd5a-ccbb-4298-84de-21fbe8409e81.jpg?v=1775018907","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc390930-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}