{"product_id":"mpa-electrical-b3702-power-brake-booster","title":"MPA Electrical B3702 Power Brake Booster","description":"\u003ch2\u003eRemanufactured Vacuum Brake Booster for Lexus\u003c\/h2\u003e\u003cp\u003eMPA Electrical B3702 is a remanufactured vacuum power brake booster built for Lexus applications that need consistent braking assist and low pedal effort. This reman vac pwr brake booster w\/o master cyl is engineered for dependable vacuum sealing, stable pressure transfer, and OE-style fitment on select Lexus IS350, GS350, GS460, GS300, and GS430 models.\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\u003eHousing material: metal\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\u003eFront seal not included\u003c\/li\u003e\n\u003cli\u003eMounting bracket not included\u003c\/li\u003e\n\u003cli\u003e2 mounting studs with 8x1.25 mm master cylinder stud thread size\u003c\/li\u003e\n\u003cli\u003e100% end-of-line tested with proprietary equipment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eMPA Electrical B3702 is part of the Reman Vac Pwr Brake Booster w\/o Master Cyl product line, focused on remanufactured brake assist components for direct replacement service. The booster is designed to restore vacuum-assisted braking performance by helping reduce pedal effort while maintaining reliable assist under everyday driving conditions. This part cross-references OE-style numbers such as 4461030A20 and 4461053380 for the same application. B3702 is a practical replacement choice when servicing the brake booster on Lexus IS350 and Lexus GS-series vehicles.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2006-2015 Lexus IS350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2007-2011 Lexus GS350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2008-2009 Lexus GS460, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2006 Lexus GS300, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2006 Lexus GS430, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHard brake pedal feel from a weak or leaking booster\u003c\/li\u003e\n\u003cli\u003eReduced braking assist during normal stop-and-go driving\u003c\/li\u003e\n\u003cli\u003eVacuum loss caused by worn internal booster components\u003c\/li\u003e\n\u003cli\u003eInconsistent pedal response in Lexus brake system service\u003c\/li\u003e\n\u003cli\u003eNeed for a remanufactured replacement brake booster without the master cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify master cylinder compatibility before installation, since the master cylinder is not included. Confirm the 8x1.25 mm stud thread size and 2-stud mounting layout match the original unit. Inspect vacuum lines, pedal linkage, and sealing surfaces during brake service, and transfer any required components from the original assembly as needed.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMPA Electrical subjects each booster to 100% end-of-line testing using proprietary test equipment. New replacement and specially treated internal components are used to help maintain vacuum seal integrity and consistent pressure transfer in service.\u003c\/p\u003e","brand":"MPA Electrical","offers":[{"title":"Default Title","offer_id":52417940455605,"sku":"FQTW-B3702","price":380.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MV_B3702_FRO.jpg?v=1777810087","url":"https:\/\/www.partcatalog.com\/products\/mpa-electrical-b3702-power-brake-booster","provider":"PartCatalog","version":"1.0","type":"link"}