{"product_id":"raybestos-mc391538-brake-master-cylinder","title":"Raybestos MC391538 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder Replacement\u003c\/h2\u003e\u003cp\u003eThe Raybestos Element3; New Brake Master Cylinder MC391538 offers precise hydraulic control for your vehicle's braking system. Designed with a 1.375-inch bore diameter, this master cylinder ensures consistent brake fluid pressure for safe and effective stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1.375 inches\u003c\/li\u003e\n\u003cli\u003eBrake booster not included\u003c\/li\u003e\n\u003cli\u003eNo reservoir, dust boot, or mounting hardware included\u003c\/li\u003e\n\u003cli\u003ePart number MC391538 for accurate identification\u003c\/li\u003e\n\u003cli\u003eCompatible with specific vehicle makes and models requiring this master cylinder size\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 dependable brake hydraulics components engineered to meet or exceed OEM specifications. This product line emphasizes precision manufacturing and material quality, providing a solid foundation for brake system repairs and maintenance. The MC391538 master cylinder is part of this line, offering a direct replacement option for vehicles requiring a 1.375-inch bore diameter master cylinder without additional components like boosters or reservoirs.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder features a 1.375-inch bore diameter, which is critical for maintaining proper hydraulic pressure in the brake system. It does not include a brake booster, reservoir, dust boot, push rod, bleeder hoses, sensor, or mounting bracket, so these components must be sourced separately if needed. The absence of these parts makes the MC391538 suitable for applications where the existing hardware remains in good condition or when upgrading specific components individually.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake fluid pressure in vehicles experiencing spongy or unresponsive brakes\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eAddresses brake pedal sinking or failure to maintain pressure\u003c\/li\u003e\n\u003cli\u003eSolves issues related to inconsistent brake booster engagement when used with compatible systems\u003c\/li\u003e\n\u003cli\u003eSupports brake system rebuilds requiring a 1.375-inch bore diameter master cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Raybestos MC391538 master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Since this part does not include a reservoir or booster, verify that existing components are compatible and in good condition. Use the correct brake fluid type recommended by the vehicle manufacturer and follow torque specifications for mounting bolts. Proper installation will help maintain consistent brake pedal feel and system performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eRaybestos manufactures the Element3; New line with attention to quality and durability, meeting industry standards for brake hydraulics. While specific warranty details for part number MC391538 should be confirmed at the point of purchase, Raybestos typically offers limited warranties covering defects in materials and workmanship. This ensures confidence in the reliability of the brake master cylinder for your vehicle's braking needs.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":51940207034549,"sku":"BDBL-MC391538","price":144.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC391538_Fro.jpg?v=1775019001","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc391538-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}