{"product_id":"dorman-m390347-brake-master-cylinder","title":"Dorman M390347 Brake Master Cylinder","description":"\u003ch2\u003eBrake Master Cylinder for Pathfinder and QX4\u003c\/h2\u003e\u003cp\u003eDorman M390347 is a brake master cylinder built for specific Nissan Pathfinder and INFINITI QX4 applications. It uses a 1-inch bore, an aluminum body, and an included reservoir and sensor to match the original hydraulic setup on the listed vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement brake master cylinder for select 1996-2001 Nissan Pathfinder and 2001 INFINITI QX4 models\u003c\/li\u003e\n\u003cli\u003e1-inch master cylinder bore diameter for the listed drum brake wheel cylinder applications\u003c\/li\u003e\n\u003cli\u003eAluminum master cylinder construction\u003c\/li\u003e\n\u003cli\u003eReservoir included\u003c\/li\u003e\n\u003cli\u003eSensor included\u003c\/li\u003e\n\u003cli\u003eTwo outlets with M10 x 1.0 rearward outlet thread size\u003c\/li\u003e\n\u003cli\u003eDorman M390347 brake master cylinder for OE-style hydraulic fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on the specified vehicles. The aluminum housing and new, high-quality materials support a durable hydraulic replacement for brake system service. Dorman M390347 is a practical choice when replacing a worn or leaking master cylinder on a Nissan Pathfinder or INFINITI QX4 with the listed brake configuration.\u003c\/p\u003e\u003cp\u003eThis part cross-references Raybestos Brakes MC390347 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal that sinks or feels inconsistent\u003c\/li\u003e\n\u003cli\u003eExternal brake fluid leakage at the master cylinder\u003c\/li\u003e\n\u003cli\u003eLoss of hydraulic pressure in the brake system\u003c\/li\u003e\n\u003cli\u003eUneven or delayed brake response\u003c\/li\u003e\n\u003cli\u003eService replacement for a worn original master cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle year, make, model, and brake configuration before installation. This master cylinder has two outlets, a 1-inch bore, and M10 x 1.0 rearward outlet threading. Mounting hardware is not included. Proper bench bleeding and system bleeding are recommended after installation to remove trapped air and restore pedal feel.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this master cylinder as a new replacement part using high-quality materials and OE-style design targets for the listed applications. Confirm fitment against the vehicle and brake system details before ordering.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52431298363573,"sku":"BKKX-M390347","price":157.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390347_Fro.jpg?v=1777853364","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390347-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}