{"product_id":"dorman-m39509-brake-master-cylinder","title":"Dorman M39509 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Nissan 720\u003c\/h2\u003e\u003cp\u003eThe Dorman M39509 brake master cylinder is designed specifically for Nissan 720 models, providing precise hydraulic control for your vehicle's braking system. Engineered with durable aluminum and equipped with a reservoir and sensor, this master cylinder ensures consistent brake performance.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman M39509 Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter of 0.938 inches for accurate hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eConstructed from lightweight, corrosion-resistant aluminum material\u003c\/li\u003e\n\u003cli\u003eIncludes an integrated reservoir for brake fluid storage\u003c\/li\u003e\n\u003cli\u003eEquipped with a sensor to monitor brake system status\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports with rearward outlet size M10 x 1.0 and thread pitch 1.0\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter of 10 mm for secure connections\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M39509 brake master cylinder is a critical component in the brake hydraulics system of Nissan 720 vehicles. Its aluminum construction offers strength and resistance to corrosion, extending the service life of the part. The 0.938-inch bore diameter is designed to deliver precise hydraulic pressure to the brake calipers or wheel cylinders. This master cylinder includes a reservoir to hold brake fluid and a sensor that provides feedback to the vehicle’s brake system, enhancing safety and reliability. With two outlets and standardized thread sizes, it ensures compatibility with the Nissan 720’s brake lines and fittings.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake fluid pressure for consistent braking response\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eSolves brake pedal sinking or sponginess due to internal seal failure\u003c\/li\u003e\n\u003cli\u003eAddresses brake warning light activation related to sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system reliability and safety on Nissan 720 trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure brake fluid reservoir is properly filled before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly to remove air after replacement\u003c\/li\u003e\n\u003cli\u003eVerify thread pitch and outlet sizes match existing brake lines\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging aluminum surfaces\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for torque specifications and procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M39509 brake master cylinder to meet or exceed OEM specifications for Nissan 720 vehicles. The aluminum construction and integrated sensor are tested for durability and performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52089071632565,"sku":"BKKX-M39509","price":131.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39509_Fro.jpg?v=1775148227","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39509-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}