{"product_id":"mpa-electrical-b1129-power-brake-booster","title":"MPA Electrical B1129 Power Brake Booster","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMPA Electrical B1129 is a remanufactured vacuum power brake booster built for standard replacement service. It is engineered to deliver strong braking assist with reduced pedal effort, and it is tested at the end of production to verify performance.\u003c\/p\u003e\u003cp\u003eThis brake booster is listed for 1994-1997 Cadillac DeVille, Cadillac Eldorado, and Cadillac Seville applications. The B1129 part number is also referenced by interchange numbers 18019187, 18029878, and 18029921 for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRemanufactured vacuum brake booster for standard replacement service\u003c\/li\u003e\n\u003cli\u003eDual-diaphragm design for consistent assist output\u003c\/li\u003e\n\u003cli\u003eMetal housing for durable construction\u003c\/li\u003e\n\u003cli\u003e11.04-inch diaphragm diameter\u003c\/li\u003e\n\u003cli\u003e10 x 1.50 mm master cylinder stud thread size\u003c\/li\u003e\n\u003cli\u003eEnd-of-line tested for pressure transfer and vacuum seal verification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eMPA Electrical B1129 is a remanufactured power brake booster designed around vacuum-assisted braking performance. The dual diaphragm layout, metal housing, and treated replacement components are used to support reliable vacuum sealing and pressure transfer. Because the master cylinder is not included, this unit is intended for applications where the existing master cylinder is retained or replaced separately. The B1129 is a fitment-specific brake booster for Cadillac DeVille, Cadillac Eldorado, and Cadillac Seville models from 1994 through 1997.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\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 seal loss in the booster assembly\u003c\/li\u003e\n\u003cli\u003eInconsistent pedal response during braking\u003c\/li\u003e\n\u003cli\u003eBooster housing wear or internal diaphragm failure\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 10 x 1.50 mm stud thread size and mounting layout against the original unit before assembly. Follow factory service procedures for brake system bleeding and final pedal check after installation.\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 confirm braking assist performance and sealing integrity.\u003c\/p\u003e","brand":"MPA Electrical","offers":[{"title":"Default Title","offer_id":53588245905589,"sku":"FQTW-B1129","price":228.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MV_B1129_Fro.jpg?v=1792737477","url":"https:\/\/www.partcatalog.com\/products\/mpa-electrical-b1129-power-brake-booster","provider":"PartCatalog","version":"1.0","type":"link"}