{"product_id":"dorman-m390195-brake-master-cylinder","title":"Dorman M390195 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder for Lexus GS300\u003c\/h2\u003e\u003cp\u003eThe Dorman M390195 brake master cylinder is engineered specifically for the Lexus GS300, providing reliable brake hydraulics performance. This aluminum master cylinder includes a reservoir and sensor, designed to meet the precise specifications required for your vehicle's braking system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1.063 inches\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for fluid storage\u003c\/li\u003e\n\u003cli\u003eEquipped with a sensor for brake system monitoring\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports with rearward outlet size M10 x 1.0 thread pitch\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter: 10 mm\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M390195 brake master cylinder is designed to restore proper brake hydraulics function in the Lexus GS300. Its 1.063-inch bore diameter ensures consistent hydraulic pressure, while the aluminum construction offers corrosion resistance and long-term durability. The included reservoir allows for efficient brake fluid management, and the integrated sensor supports accurate brake system feedback. Featuring two outlets with precise thread specifications (rearward outlet M10 x 1.0, secondary outlet 10 mm), this master cylinder is engineered to fit seamlessly with the GS300's brake lines.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pressure loss due to worn or damaged master cylinder\u003c\/li\u003e\n\u003cli\u003eEliminates brake fluid leaks from the master cylinder reservoir or outlets\u003c\/li\u003e\n\u003cli\u003eResolves brake pedal sponginess caused by internal cylinder wear\u003c\/li\u003e\n\u003cli\u003eReplaces faulty brake fluid level sensor for accurate system alerts\u003c\/li\u003e\n\u003cli\u003eAddresses inconsistent braking performance related to master cylinder failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure brake system is properly bled after installation to remove air\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with Lexus GS300 model year before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate brake fluid as specified by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; retain original hardware or source separately\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and fittings for wear or damage during replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M390195 brake master cylinder to meet or exceed OEM standards for fit and function on the Lexus GS300. The aluminum construction and integrated sensor contribute to reliable brake system operation. While mounting hardware is not included, the product undergoes quality checks to ensure proper performance. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792124313781,"sku":"BKKX-M390195","price":216.61,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390195_Fro.jpg?v=1774997556","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390195-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}