{"product_id":"mpa-electrical-b3144-power-brake-booster","title":"MPA Electrical B3144 Power Brake Booster","description":"\u003ch2\u003eVacuum Brake Booster Overview\u003c\/h2\u003e\u003cp\u003eThe MPA Electrical B3144 is a remanufactured vacuum power brake booster built for direct brake assist replacement where the master cylinder is not included. It is engineered to deliver strong braking assist with reduced pedal effort and is tested at the end of production for consistent output.\u003c\/p\u003e\u003cp\u003eCompatible with select Infiniti and Nissan applications, this brake booster is a fitment-based replacement for drivers needing restored vacuum assist and dependable pressure transfer. The B3144 part number is also referenced by 47210-3Y61A and 47210-3Y610 for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRemanufactured vacuum booster with standard replacement service grade\u003c\/li\u003e\n\u003cli\u003eMetal housing for durable brake system construction\u003c\/li\u003e\n\u003cli\u003e247.14 mm (9.73 in.) diaphragm diameter\u003c\/li\u003e\n\u003cli\u003e8 x 1.25 mm master cylinder stud thread size\u003c\/li\u003e\n\u003cli\u003eMaster cylinder, gasket, seal, and mounting bracket not included\u003c\/li\u003e\n\u003cli\u003eEnd-of-line tested for pressure transfer and vacuum seal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eMPA Electrical reman brake boosters are built around vacuum-assist operation to reduce pedal effort and restore braking response. The B3144 uses a metal housing and a 247.14 mm diaphragm to support consistent assist characteristics, while specially treated components help maintain vacuum sealing and reliable pressure transfer. This unit is a practical replacement for Infiniti I35, Nissan Maxima, and Infiniti I30 brake booster applications when the original booster has lost assist or developed a vacuum leak.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part May Solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHard brake pedal feel\u003c\/li\u003e\n\u003cli\u003eReduced braking assist\u003c\/li\u003e\n\u003cli\u003eVacuum leak at the booster\u003c\/li\u003e\n\u003cli\u003eInconsistent pedal response\u003c\/li\u003e\n\u003cli\u003eLoss of pressure transfer through the brake booster\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify master cylinder stud thread size, mounting layout, and booster configuration before installation. This B3144 brake booster does not include the master cylinder, brake pedal rod extension, gasket, seal, front seal, or mounting bracket. Confirm fitment against the vehicle application and inspect related brake components during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMPA Electrical subjects each unit to 100% end-of-line testing using proprietary equipment to verify performance before release. The remanufactured construction and tested vacuum-assist design support consistent brake booster operation.\u003c\/p\u003e","brand":"MPA Electrical","offers":[{"title":"Default Title","offer_id":53260871532725,"sku":"FQTW-B3144","price":206.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MV_B3144_Fro.jpg?v=1789279348","url":"https:\/\/www.partcatalog.com\/products\/mpa-electrical-b3144-power-brake-booster","provider":"PartCatalog","version":"1.0","type":"link"}