{"product_id":"dorman-m98964-brake-master-cylinder","title":"Dorman M98964 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Jeep CJ5, CJ7, and Scrambler\u003c\/h2\u003e\u003cp\u003eThe Dorman M98964 brake master cylinder is designed to restore proper brake hydraulics in Jeep CJ5, CJ7, and Scrambler models. Engineered with durable cast iron and a built-in reservoir, this master cylinder ensures consistent brake fluid delivery for safe and effective braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1 inch\u003c\/li\u003e\n\u003cli\u003eConstructed from durable cast iron material\u003c\/li\u003e\n\u003cli\u003eIncludes an integrated reservoir for brake fluid\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports for brake line connections\u003c\/li\u003e\n\u003cli\u003eRearward outlet size: 1\/2-20 thread\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter: 9\/16-18\u003c\/li\u003e\n\u003cli\u003eCompatible with Jeep CJ5, CJ7, and Scrambler models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Construction and Precise Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M98964 brake master cylinder features a robust cast iron body that withstands the rigors of daily driving and harsh conditions. Its 1-inch bore diameter is designed to provide the correct hydraulic pressure for the braking system in Jeep CJ5, CJ7, and Scrambler vehicles. The integrated reservoir simplifies brake fluid management, while the two outlet ports with specified thread sizes (1\/2-20 rearward and 9\/16-18 secondary) ensure proper fitment with existing brake lines. This master cylinder is supplied as a complete unit, ready to replace the original part and restore brake system functionality.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pressure loss due to worn or leaking master cylinder\u003c\/li\u003e\n\u003cli\u003eEliminates spongy or unresponsive brake pedal feel\u003c\/li\u003e\n\u003cli\u003eReplaces master cylinder with damaged or corroded cast iron body\u003c\/li\u003e\n\u003cli\u003eResolves brake fluid leaks from the reservoir or outlet ports\u003c\/li\u003e\n\u003cli\u003eEnsures proper brake fluid distribution in Jeep CJ5, CJ7, and Scrambler models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman M98964 brake master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify thread compatibility with existing brake lines using the specified outlet sizes. Since mounting hardware is not included, retain or source appropriate fasteners for secure installation. Inspect all brake components during replacement to ensure overall system reliability.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M98964 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to long service life. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics products to cover defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51915815846069,"sku":"BKKX-M98964","price":84.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M98964_Fro.jpg?v=1774997530","url":"https:\/\/www.partcatalog.com\/products\/dorman-m98964-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}