{"product_id":"raybestos-mc390267-brake-master-cylinder","title":"Raybestos MC390267 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Buick, Cadillac, Oldsmobile, Pontiac\u003c\/h2\u003e\u003cp\u003eThe Raybestos Element3; New Brake Master Cylinder MC390267 is engineered to restore precise brake hydraulics in select GM vehicles. Designed for durability and consistent performance, this aluminum master cylinder suits various Buick, Cadillac, Oldsmobile, and Pontiac models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from lightweight, corrosion-resistant aluminum\u003c\/li\u003e\n\u003cli\u003eFeatures a 1.000 inch bore size for accurate hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eIncludes 2 mounting holes with 0.433 inch diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eEquipped with 2 ports, both with M12x1 thread size for compatibility\u003c\/li\u003e\n\u003cli\u003ePart number MC390267 ensures exact fit for specified vehicles\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 specifications. This brake master cylinder is part of that line, offering enhanced material quality and precise engineering to maintain brake system integrity in older GM models.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder MC390267 is crafted from aluminum, providing a balance of strength and corrosion resistance essential for brake hydraulics. The 1.000 inch bore size is designed to deliver consistent hydraulic pressure, ensuring responsive braking. With two mounting holes sized at 0.433 inches in diameter, installation is straightforward and secure. The dual ports, both threaded M12x1, allow for proper brake line connections, maintaining system integrity and fluid flow.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick models including LeSabre and Park Avenue\u003c\/li\u003e\n\u003cli\u003eCadillac models such as DeVille, Eldorado, Seville, and Fleetwood 88\/98\u003c\/li\u003e\n\u003cli\u003eOldsmobile models including LSS and Regency\u003c\/li\u003e\n\u003cli\u003ePontiac Bonneville\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to internal leaks\u003c\/li\u003e\n\u003cli\u003eLoss of hydraulic pressure affecting braking performance\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks around the master cylinder mounting area\u003c\/li\u003e\n\u003cli\u003eInconsistent brake pedal feel or delayed brake response\u003c\/li\u003e\n\u003cli\u003eReplacement of worn or damaged OEM master cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the brake system is properly bled after installation to remove air and restore full hydraulic function. Verify that mounting holes align correctly with the vehicle’s firewall or mounting bracket. Use compatible brake lines with M12x1 threaded fittings for secure connections. Inspect all seals and gaskets during installation to prevent leaks.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos Element3; New brake master cylinders are manufactured to meet strict quality standards. The aluminum construction resists corrosion and wear, contributing to long service life. While specific warranty details may vary, Raybestos products typically include coverage against manufacturing defects to ensure reliability and customer confidence.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44427848614069,"sku":"BDBL-MC390267","price":138.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC390267_Sid.jpg?v=1775018801","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc390267-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}