{"product_id":"dorman-m390277-brake-master-cylinder","title":"Dorman M390277 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet Cavalier and Pontiac Sunfire\u003c\/h2\u003e\u003cp\u003eThe Dorman M390277 brake master cylinder is designed specifically for Chevrolet Cavalier and Pontiac Sunfire models. This aluminum master cylinder includes a reservoir and sensor, providing a complete solution for your brake hydraulics system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.875 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 and thread pitch 1.0\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter: 10 mm\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M390277 brake master cylinder features a precise 0.875-inch bore diameter, ensuring proper hydraulic pressure for effective braking performance. Made from aluminum, this master cylinder offers corrosion resistance and long-lasting durability. It comes with an integrated reservoir to hold brake fluid and a sensor to monitor brake system status, which is essential for maintaining safety and performance. The unit has two outlets, including a rearward outlet sized M10 x 1.0 with a thread pitch of 1.0, and a secondary outlet thread diameter of 10 mm, compatible with the brake lines on Chevrolet Cavalier and Pontiac Sunfire vehicles.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Cavalier\u003c\/li\u003e\n\u003cli\u003ePontiac Sunfire\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace the original equipment part and restore proper brake hydraulic function in these models.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to internal leaks\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks from a worn or damaged master cylinder\u003c\/li\u003e\n\u003cli\u003eBrake warning light activation caused by sensor failure\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency from improper hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eContaminated or deteriorated brake fluid reservoir\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 Chevrolet Cavalier or Pontiac Sunfire before purchase\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\u003eHandle the sensor connection carefully to avoid damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The M390277 brake master cylinder undergoes rigorous quality control to ensure reliable performance. Warranty coverage details can be obtained from the product documentation or manufacturer.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792143515829,"sku":"BKKX-M390277","price":145.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390277_Fro.jpg?v=1774997564","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390277-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}