{"product_id":"dorman-m39023-brake-master-cylinder","title":"Dorman M39023 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder M39023\u003c\/h2\u003e\u003cp\u003eThe Dorman Brake Master Cylinder M39023 is designed for reliable brake hydraulics performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This cast iron master cylinder includes a reservoir and is engineered to meet the specific needs of models like the Camaro, Firebird, Nova, Omega, Phoenix, and Skylark.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1 inch\u003c\/li\u003e\n\u003cli\u003eConstructed from durable cast iron material\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports with rearward outlet size of 9\/16-18\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter of 0.5 inches\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003cli\u003eSensor not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M39023 brake master cylinder is a cast iron component designed to provide consistent hydraulic pressure for the braking system. Its 1-inch bore diameter ensures proper fluid displacement, while the included reservoir allows for efficient brake fluid storage and management. The master cylinder features two outlets, including a rearward outlet sized at 9\/16-18 and a secondary outlet with a 0.5-inch thread diameter, facilitating compatibility with the brake lines of various GM vehicles. This part is specifically compatible with Buick, Chevrolet, Oldsmobile, and Pontiac models such as the Camaro, Firebird, Nova, Omega, Phoenix, and Skylark, making it a suitable replacement for maintaining brake system integrity.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake fluid pressure in hydraulic brake systems\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake pedal sponginess\u003c\/li\u003e\n\u003cli\u003eFixes brake fluid leaks from the master cylinder reservoir or outlets\u003c\/li\u003e\n\u003cli\u003eAddresses brake failure symptoms related to internal cylinder wear\u003c\/li\u003e\n\u003cli\u003eImproves brake system responsiveness in compatible Buick, Chevrolet, Oldsmobile, and Pontiac models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure brake system is fully depressurized before removal\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air\u003c\/li\u003e\n\u003cli\u003eUse compatible brake fluid as specified by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eVerify outlet thread sizes match existing brake lines (rearward outlet 9\/16-18, secondary outlet 0.5 inch)\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; retain original hardware or source separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M39023 brake master cylinder to meet or exceed OEM specifications for durability and performance. The cast iron construction provides long-lasting strength under typical operating conditions. While mounting hardware and sensors are not included, the product undergoes quality checks to ensure proper fitment and function. Warranty details should be confirmed through the point of purchase or Dorman's official documentation.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789334315189,"sku":"BKKX-M39023","price":83.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39023_Fro.jpg?v=1774997460","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39023-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}