{"product_id":"raybestos-mc391179-brake-master-cylinder","title":"Raybestos MC391179 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 MC391179 is engineered to restore precise brake hydraulics for Chevrolet Express 1500 and GMC Savana 1500 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\u003e34.000 mm bore size optimized for hydraulic pressure control\u003c\/li\u003e\n\u003cli\u003eDual ports with M12x1 thread size for primary and secondary brake lines\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Express 1500 and GMC Savana 1500\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 material quality. This brake master cylinder MC391179 is part of that line, featuring aluminum construction and exact port threading to meet OEM specifications for select Chevrolet and GMC vans.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder features a 34.000 mm bore size that provides the necessary hydraulic pressure for effective braking. The aluminum body offers resistance to corrosion and heat, contributing to long service life. With two mounting holes sized at 0.413 inches in diameter, installation is straightforward and secure. Both primary and secondary ports use M12x1 threading, ensuring compatibility with factory brake lines. The MC391179 is specifically designed for Chevrolet Express 1500 and GMC Savana 1500 models, making it a precise replacement part for maintaining brake system integrity.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\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\u003eReplaces damaged or corroded aluminum master cylinders\u003c\/li\u003e\n\u003cli\u003eEnsures proper hydraulic fluid flow with correct port threading\u003c\/li\u003e\n\u003cli\u003eMaintains brake system safety and reliability on Chevrolet Express 1500 and GMC Savana 1500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with Chevrolet Express 1500 or GMC Savana 1500 before installation\u003c\/li\u003e\n\u003cli\u003eEnsure mounting holes align properly with vehicle brake system mounts\u003c\/li\u003e\n\u003cli\u003eUse appropriate brake fluid and bleed the system thoroughly after installation\u003c\/li\u003e\n\u003cli\u003eCheck port threads (M12x1) for proper brake line fitting\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for mounting bolts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos manufactures the MC391179 brake master cylinder to meet strict quality standards, using durable aluminum material and precise machining. This part is designed to match OEM specifications for Chevrolet Express 1500 and GMC Savana 1500 models. Warranty details should be confirmed with the point of purchase or Raybestos directly.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44427963924661,"sku":"BDBL-MC391179","price":125.16,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC391179_Fro.jpg?v=1775018947","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc391179-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}