{"product_id":"dorman-m39808-brake-master-cylinder","title":"Dorman M39808 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Jeep CJ5 and CJ7\u003c\/h2\u003e\u003cp\u003eThe Dorman M39808 brake master cylinder is designed specifically for Jeep CJ5 and CJ7 models, providing a durable and precise hydraulic braking solution. Crafted from cast iron with a 1.063-inch bore diameter, this master cylinder includes a reservoir to ensure consistent brake fluid supply.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman M39808 Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConstructed from cast iron for strength and durability\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid management\u003c\/li\u003e\n\u003cli\u003e1.063-inch master cylinder bore diameter for accurate hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports with rearward outlet size 1\/2-20 and secondary outlet thread diameter 9\/16-18\u003c\/li\u003e\n\u003cli\u003eCompatible with Jeep CJ5 and CJ7 brake hydraulic systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M39808 brake master cylinder is engineered to meet the hydraulic braking requirements of Jeep CJ5 and CJ7 vehicles. Its cast iron construction offers resistance to wear and corrosion, ensuring long-term reliability. The 1.063-inch bore diameter is calibrated to provide consistent brake fluid pressure, which is critical for safe and responsive braking performance. This master cylinder features two outlets: a rearward outlet sized at 1\/2-20 and a secondary outlet with a 9\/16-18 thread diameter, allowing for proper connection to the brake lines. The included reservoir maintains an adequate supply of brake fluid, helping to prevent air intrusion and maintain system integrity. Note that mounting hardware is not included with this part.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or leaking brake master cylinders on Jeep CJ5 and CJ7\u003c\/li\u003e\n\u003cli\u003eRestores proper hydraulic pressure for improved brake pedal feel\u003c\/li\u003e\n\u003cli\u003eEliminates brake fluid leaks caused by damaged or corroded master cylinders\u003c\/li\u003e\n\u003cli\u003ePrevents brake system failure due to reservoir fluid loss\u003c\/li\u003e\n\u003cli\u003eAddresses inconsistent braking caused by internal cylinder wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Jeep CJ5 and CJ7 models before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and fittings for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damaging outlet threads (1\/2-20 rearward and 9\/16-18 secondary)\u003c\/li\u003e\n\u003cli\u003eCheck brake fluid level regularly after installation to maintain optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M39808 brake master cylinder to meet or exceed OEM specifications for Jeep CJ5 and CJ7 vehicles. The cast iron material and precise bore diameter contribute to consistent braking performance and durability. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Refer to Dorman's official documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51915815256245,"sku":"BKKX-M39808","price":117.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39808_Fro.jpg?v=1774997504","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39808-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}