{"product_id":"mpa-electrical-nm52221-brake-master-cylinder","title":"MPA Electrical NM52221 Brake Master Cylinder","description":"\u003ch2\u003eBrake Master Cylinder for Mazda B-Series\u003c\/h2\u003e\u003cp\u003eRestore hydraulic brake performance with this new MPA Electrical brake master cylinder, part number NM52221. It is a standard replacement unit built with a cast iron body, a 0.875-inch bore, and an included reservoir and cap for service-ready installation.\u003c\/p\u003e\u003cp\u003eCompatible with 1986-1993 Mazda B-Series trucks with front disc brakes, including Mazda B2000, Mazda B2200, and Mazda B2600 applications. The NM52221 is engineered to match OE specifications using MPA Electrical’s sample-based testing process for consistent brake pedal response.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: MPA Electrical\u003c\/li\u003e\n\u003cli\u003ePart number: NM52221\u003c\/li\u003e\n\u003cli\u003eStandard replacement brake master cylinder\u003c\/li\u003e\n\u003cli\u003eCast iron construction\u003c\/li\u003e\n\u003cli\u003e0.875-inch master cylinder bore diameter\u003c\/li\u003e\n\u003cli\u003eReservoir included\u003c\/li\u003e\n\u003cli\u003eMaster cylinder cap included\u003c\/li\u003e\n\u003cli\u003eUses DOT 3 brake fluid\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes with 0.34-inch mounting hole diameter\u003c\/li\u003e\n\u003cli\u003eNew condition\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThe MPA Electrical NM52221 brake master cylinder is built for Mazda B2200, Mazda B2600, and Mazda B2000 trucks equipped with front disc brakes. As a hydraulic brake component, it converts pedal input into brake pressure, helping restore firm, predictable braking response when the original master cylinder is worn or leaking. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003cp\u003eMPA Electrical’s New with front disc brakes product line focuses on direct-fit brake hydraulic replacements for specific vehicle configurations. For this application, NM52221 is matched to the listed Mazda trucks and supports OE-style service replacement needs without adding unrelated components such as a booster, push rod, sensor, or pressure switch.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLow or sinking brake pedal\u003c\/li\u003e\n\u003cli\u003eBrake fluid leakage at the master cylinder\u003c\/li\u003e\n\u003cli\u003eUneven or delayed hydraulic brake response\u003c\/li\u003e\n\u003cli\u003eInternal seal wear causing loss of pressure\u003c\/li\u003e\n\u003cli\u003eBrake warning symptoms related to master cylinder failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify vehicle configuration before installation: this part is listed for 1986-1987 Mazda B2000, 1987-1993 Mazda B2200, and 1990-1993 Mazda B2600 with front disc brakes. Bench bleed the master cylinder before connecting brake lines, use clean DOT 3 brake fluid, and inspect the brake system for contamination or leaks before returning the vehicle to service.\u003c\/p\u003e\u003cp\u003eMounting hardware, gasket or seal, push rod, brake booster, sensor, and brake pressure switch are not included. Confirm the mounting hole pattern and brake line connections against the original unit before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMPA Electrical tests each brake master cylinder against OE specifications using proprietary procedures and strict inspection protocols. That process is intended to deliver consistent hydraulic performance out of the box for Mazda B-Series brake service.\u003c\/p\u003e","brand":"MPA Electrical","offers":[{"title":"Default Title","offer_id":52725014266037,"sku":"FQTW-NM52221","price":63.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MV_NM52221_Rig.jpg?v=1782022552","url":"https:\/\/www.partcatalog.com\/products\/mpa-electrical-nm52221-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}