{"product_id":"mpa-electrical-b3821-power-brake-booster","title":"MPA Electrical B3821 Power Brake Booster","description":"\u003ch2\u003eRemanufactured Vacuum Brake Booster for Nissan and INFINITI\u003c\/h2\u003e\u003cp\u003eMPA Electrical B3821 is a remanufactured vacuum power brake booster built for direct replacement in select Nissan 350Z and INFINITI G35 applications. It is engineered to deliver strong braking assist with reduced pedal effort, helping restore consistent brake feel in daily driving and stop-and-go traffic.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRemanufactured vacuum power brake booster\u003c\/li\u003e\n\u003cli\u003eStandard replacement brake service grade\u003c\/li\u003e\n\u003cli\u003eMetal housing construction\u003c\/li\u003e\n\u003cli\u003e2 mounting studs with 8x1.25 master cylinder stud thread size\u003c\/li\u003e\n\u003cli\u003eMaster cylinder not included\u003c\/li\u003e\n\u003cli\u003eBrake pedal rod extension not included\u003c\/li\u003e\n\u003cli\u003eGasket or seal not included\u003c\/li\u003e\n\u003cli\u003eMounting bracket not included\u003c\/li\u003e\n\u003cli\u003eFront seal not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThe MPA Electrical B3821 brake booster is part of the Reman Vac Pwr Brake Booster w\/o Master Cyl product line, focused on vacuum-assisted braking replacement parts. According to MPA Electrical, these boosters use new replacement and specially treated components to improve vacuum sealing, pressure transfer, and overall braking performance. Each unit is 100% end-of-line tested with proprietary equipment before release.\u003c\/p\u003e\u003cp\u003eThis part cross-references 47210AM425 and 47210CD025 for the same application. It is a direct-fit style replacement for drivers searching for a reman brake booster for 2003 Nissan 350Z, 2005 Nissan 350Z, or 2003-2004 INFINITI G35.\u003c\/p\u003e\u003ch2\u003eCommon Brake Booster Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHard brake pedal feel\u003c\/li\u003e\n\u003cli\u003eReduced brake assist from a failing vacuum booster\u003c\/li\u003e\n\u003cli\u003eInconsistent pedal response during braking\u003c\/li\u003e\n\u003cli\u003eLoss of vacuum seal in the booster assembly\u003c\/li\u003e\n\u003cli\u003eBrake performance concerns tied to worn internal booster components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the master cylinder is reused or replaced separately, since it is not included with this unit. Confirm the 8x1.25 master cylinder stud thread size, 2-stud mounting layout, and vehicle-specific brake booster dimensions before installation on a Nissan 350Z or INFINITI G35. Inspect related vacuum lines, pedal linkage, and sealing surfaces during service to help ensure proper brake assist after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMPA Electrical remanufactures this booster with replacement and specially treated components, then tests every unit at the end of the line using proprietary equipment to confirm performance before shipment.\u003c\/p\u003e","brand":"MPA Electrical","offers":[{"title":"Default Title","offer_id":52417940488373,"sku":"FQTW-B3821","price":290.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MV_B3821_Fro.jpg?v=1777810093","url":"https:\/\/www.partcatalog.com\/products\/mpa-electrical-b3821-power-brake-booster","provider":"PartCatalog","version":"1.0","type":"link"}