{"product_id":"dorman-m390268-brake-master-cylinder","title":"Dorman M390268 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Ford, Mazda, and Mercury Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman M390268 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Ford, Mazda, and Mercury models. Designed with precision, this master cylinder includes a reservoir and sensor to ensure optimal brake system performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1.063 inches for accurate hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for integrated brake fluid management\u003c\/li\u003e\n\u003cli\u003eTwo outlets with rearward outlet size M10 x 1.0 and secondary outlet thread diameter M12 x 1.0\u003c\/li\u003e\n\u003cli\u003eCompatible with Ford B2300, B3000, B4000, Explorer, Ranger, and Mercury Mountaineer\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder (part number M390268) is designed to meet the exacting requirements of brake hydraulics systems in various Ford, Mazda, and Mercury trucks and SUVs. The aluminum construction provides strength and resistance to corrosion, while the 1.063-inch bore diameter ensures consistent hydraulic pressure for reliable braking. The included reservoir and sensor facilitate proper fluid level monitoring and brake system feedback. Featuring two outlets with precise thread sizes (M10 x 1.0 rearward outlet and M12 x 1.0 secondary outlet), this master cylinder integrates seamlessly with the vehicle’s brake lines.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord B2300, B3000, B4000 pickups\u003c\/li\u003e\n\u003cli\u003eFord Explorer and Ranger SUVs\u003c\/li\u003e\n\u003cli\u003eMercury Mountaineer SUV\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed specifically for brake hydraulic systems requiring a master cylinder with these specifications, ensuring proper fit and function.\u003c\/p\u003e\u003ch2\u003eCommon Brake System Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to master cylinder wear\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks from a damaged or corroded master cylinder\u003c\/li\u003e\n\u003cli\u003eInconsistent brake pressure affecting stopping performance\u003c\/li\u003e\n\u003cli\u003eFaulty brake fluid level sensor triggering warning lights\u003c\/li\u003e\n\u003cli\u003eBrake system failure caused by internal seal deterioration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure brake fluid reservoir is properly filled before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after replacing the master cylinder to remove air\u003c\/li\u003e\n\u003cli\u003eVerify thread sizes (M10 x 1.0 and M12 x 1.0) match vehicle brake lines\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging aluminum housing or sensor components\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for torque specifications and mounting procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM standards for durability and performance. The part number M390268 undergoes rigorous quality control to ensure reliable operation in brake hydraulic systems. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792139780277,"sku":"BKKX-M390268","price":92.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390268_Fro_c0865e19-75cd-4eae-ab70-b5b57da282b9.jpg?v=1774997563","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390268-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}