{"product_id":"dorman-m390117-brake-master-cylinder","title":"Dorman M390117 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Ford Econoline Models\u003c\/h2\u003e\u003cp\u003eThe Dorman M390117 Brake Master Cylinder is engineered to restore proper brake hydraulics in Ford E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-350 Econoline, and E-350 Econoline Club Wagon vehicles. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1.125 inches for accurate hydraulic control\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for complete brake system integration\u003c\/li\u003e\n\u003cli\u003eEquipped with four outlets: two rearward outlets sized 9\/16-18 and two secondary outlets sized 7\/16-24\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M390117 brake master cylinder features a 1.125-inch bore diameter, which is critical for maintaining the correct hydraulic pressure within the brake system. Its aluminum construction offers enhanced durability and resistance to corrosion, extending the service life of the component. This unit comes with an integrated reservoir and sensor, allowing for seamless compatibility with the vehicle’s brake fluid monitoring system. The master cylinder includes four outlets—two rearward outlets with 9\/16-18 thread size and two secondary outlets with 7\/16-24 thread size—ensuring proper brake line connections for the Ford Econoline series.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is specifically compatible with the following Ford models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord E-150 Econoline\u003c\/li\u003e\n\u003cli\u003eFord E-150 Econoline Club Wagon\u003c\/li\u003e\n\u003cli\u003eFord E-250 Econoline\u003c\/li\u003e\n\u003cli\u003eFord E-350 Econoline\u003c\/li\u003e\n\u003cli\u003eFord E-350 Econoline Club Wagon\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUsing the Dorman M390117 ensures proper fitment and reliable brake system performance for these vehicles.\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\u003eInconsistent brake pressure causing uneven braking\u003c\/li\u003e\n\u003cli\u003eBrake warning light activation related to sensor failure\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency from a faulty reservoir or sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M390117 brake master cylinder requires careful attention to brake fluid handling and system bleeding procedures. Since mounting hardware is not included, retain original fasteners or source compatible hardware. Ensure all brake lines are properly connected to the correct outlets—two rearward outlets (9\/16-18) and two secondary outlets (7\/16-24)—to maintain system integrity. After installation, thoroughly bleed the brake system to remove air and verify sensor operation for accurate brake fluid level monitoring.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M390117 brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated sensor contribute to long-term reliability. This part is backed by Dorman’s standard warranty coverage, providing confidence in its durability and performance for Ford E-150 Econoline and related models.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792098721973,"sku":"BKKX-M390117","price":94.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390117_Fro.jpg?v=1774997548","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390117-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}