{"product_id":"mpa-electrical-nm55493-brake-master-cylinder","title":"MPA Electrical NM55493 Brake Master Cylinder","description":"\u003ch2\u003eBrake Master Cylinder for Kia and Hyundai\u003c\/h2\u003e\u003cp\u003eRestore consistent brake pedal response with this MPA Electrical brake master cylinder, part number NM55493. It is a standard replacement for vehicles with front disc brakes and is built with an aluminum master cylinder body, plastic reservoir, and included cap for a direct hydraulic service replacement.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake master cylinder for brake hydraulic repair\u003c\/li\u003e\n\u003cli\u003eAluminum master cylinder construction with plastic reservoir\u003c\/li\u003e\n\u003cli\u003e0.877 bore diameter for OE-style hydraulic performance\u003c\/li\u003e\n\u003cli\u003eCompatible with DOT 3 or DOT 4 brake fluid\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes with 0.339 mounting hole diameter\u003c\/li\u003e\n\u003cli\u003eReservoir and cap included; brake booster, push rod, and mounting hardware not included\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for everyday service use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cp\u003eFits 2011-2015 Kia Optima, N\/A, new with front disc brakes. Fits 2011-2014 Hyundai Sonata, N\/A, new with front disc brakes. This part cross-references OE numbers 585102T200 and 585103Q300 for the same application.\u003c\/p\u003e\u003cp\u003eMPA Electrical NM55493 is engineered using OE sample data and tested against OE specifications to help deliver consistent braking performance right out of the box. It is a direct-fit brake master cylinder for Kia Optima and Hyundai Sonata models listed above, making it a practical choice when replacing a worn or leaking hydraulic unit. The NM55493 part number is also useful when verifying the correct master cylinder for front disc brake applications that use DOT 3 or DOT 4 fluid.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLow or inconsistent brake pedal feel\u003c\/li\u003e\n\u003cli\u003eExternal brake fluid leakage at the master cylinder\u003c\/li\u003e\n\u003cli\u003eInternal hydraulic bypass causing pedal drop\u003c\/li\u003e\n\u003cli\u003eBrake warning concerns related to master cylinder wear\u003c\/li\u003e\n\u003cli\u003eReduced braking response from a failing hydraulic seal assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm reservoir, bore size, and mounting-hole layout before installation. Bench bleeding is recommended before connecting brake lines to reduce trapped air in the hydraulic system. Use clean DOT 3 or DOT 4 brake fluid only, and inspect the brake booster, lines, and fittings for wear or contamination during service. Mounting hardware, gasket or seal, push rod, and brake booster are not included.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMPA Electrical tests each unit against OE specifications using controlled processes and an OE sample library to support consistent fit and function. This NM55493 master cylinder is a new standard replacement part built for brake system restoration on the listed Kia and Hyundai applications.\u003c\/p\u003e","brand":"MPA Electrical","offers":[{"title":"Default Title","offer_id":52725014462645,"sku":"FQTW-NM55493","price":121.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MV_NM55493_Fro.jpg?v=1782022588","url":"https:\/\/www.partcatalog.com\/products\/mpa-electrical-nm55493-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}