{"product_id":"dorman-m390042-brake-master-cylinder","title":"Dorman M390042 Brake Master Cylinder","description":"\u003ch2\u003eBrake Master Cylinder for Acura NSX\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder is built for specific Acura NSX applications and matches the original unit’s design, function, and performance. It uses new materials for a durable replacement and includes an integrated reservoir and sensor.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered brake master cylinder for direct replacement use.\u003c\/li\u003e\n\u003cli\u003e1-inch bore diameter for the specified application.\u003c\/li\u003e\n\u003cli\u003eAluminum construction for a lightweight, corrosion-resistant housing.\u003c\/li\u003e\n\u003cli\u003eTwo outlet design with M12 x 1.0 rearward outlet and 10 mm secondary outlet thread.\u003c\/li\u003e\n\u003cli\u003eReservoir and sensor included for a complete master cylinder assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003ePart number M390042 is a brake master cylinder for the 1991-2005 Acura NSX. It is engineered to replicate the original master cylinder’s fit and function while using new, high-quality materials for dependable service. The aluminum body, 1-inch bore, and dual-outlet layout support the hydraulic requirements of the braking system, and the included reservoir and sensor simplify replacement of the master cylinder assembly. This part number, M390042, is a direct-fit solution for Acura NSX brake hydraulic service.\u003c\/p\u003e\u003ch2\u003eCommon Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal travel that feels excessive or inconsistent.\u003c\/li\u003e\n\u003cli\u003eLoss of hydraulic pressure in the brake system.\u003c\/li\u003e\n\u003cli\u003eFluid leakage from the master cylinder assembly.\u003c\/li\u003e\n\u003cli\u003eBrake warning light concerns related to the master cylinder sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify bore diameter, outlet thread sizes, and reservoir configuration before installation. This application notes compatibility with 1-inch bore drum brake wheel cylinders. Mounting hardware is not included. Bleed the brake system thoroughly after installation and confirm all hydraulic connections are sealed before returning the vehicle to service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman designs this master cylinder to match original equipment form and function for the listed application. New materials are used to support safe, durable brake system replacement.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":53506949021877,"sku":"BKKX-M390042","price":291.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390042_Fro.jpg?v=1791781436","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390042-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}