{"product_id":"mpa-electrical-b1133-power-brake-booster","title":"MPA Electrical B1133 Power Brake Booster","description":"\u003ch2\u003eReliable Remanufactured Vacuum Power Brake Booster\u003c\/h2\u003e\u003cp\u003eThe MPA Electrical Reman Vac Pwr Brake Booster w\/o Master Cyl (Part Number B1133) offers a dependable solution for restoring brake performance in select Buick, Cadillac, and Chevrolet vehicles. Designed as a standard replacement, this vacuum booster is engineered to meet OEM specifications without including the master cylinder.\u003c\/p\u003e\u003ch2\u003eKey Features of MPA Electrical B1133 Brake Booster\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRemanufactured vacuum power brake booster for consistent braking assistance\u003c\/li\u003e\n\u003cli\u003eCompatible with Buick Caprice, Cadillac Fleetwood, Roadmaster, and Chevrolet Commercial Chassis models\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for reliable brake service\u003c\/li\u003e\n\u003cli\u003eMetal housing construction ensures durability and strength\u003c\/li\u003e\n\u003cli\u003eDiaphragm diameter measures 11.05 inches (280.67 mm) for optimal vacuum performance\u003c\/li\u003e\n\u003cli\u003eIncludes two mounting studs with 10 x 1.50 mm master cylinder stud thread size\u003c\/li\u003e\n\u003cli\u003eDoes not include master cylinder, brake pedal rod extension, gaskets, seals, or mounting brackets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Reman Vac Pwr Brake Booster w\/o Master Cyl Product Line\u003c\/h2\u003e\u003cp\u003eThe Reman Vac Pwr Brake Booster w\/o Master Cyl product line by MPA Electrical focuses on remanufactured vacuum brake boosters designed to replace worn or faulty units without the master cylinder. This line provides a cost-effective option for restoring brake assist functionality while maintaining compatibility with original vehicle specifications. The B1133 model is part of this line, offering a metal housing and precise diaphragm sizing to ensure proper vacuum operation in compatible vehicles.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis remanufactured power brake booster uses vacuum assistance to reduce pedal effort and improve braking response. The metal housing provides structural integrity, while the 11.05-inch diaphragm diameter supports effective vacuum pressure. The unit includes two mounting studs with a 10 x 1.50 mm thread size to secure the booster in place. It is important to note that this booster does not come with a master cylinder, brake pedal rod extension, or any seals and gaskets, so these components must be sourced separately if needed.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pedal assist in Buick Caprice models experiencing hard or unresponsive brakes\u003c\/li\u003e\n\u003cli\u003eReplaces failing vacuum boosters in Cadillac Fleetwood and Roadmaster vehicles\u003c\/li\u003e\n\u003cli\u003eAddresses brake pedal sinking or increased pedal effort in Chevrolet Commercial Chassis\u003c\/li\u003e\n\u003cli\u003eEliminates vacuum leaks that reduce braking efficiency\u003c\/li\u003e\n\u003cli\u003eProvides a remanufactured alternative to costly new brake booster replacements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is compatible with the MPA Electrical B1133 booster before installation. Since the master cylinder and mounting hardware are not included, verify that existing components are in good condition or obtain replacements as necessary. Properly torque mounting studs to manufacturer specifications and check for vacuum leaks after installation to maintain optimal brake performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe MPA Electrical B1133 power brake booster is remanufactured to meet standard brake service grade requirements. This ensures reliable operation and durability consistent with OEM standards. Please refer to the manufacturer or distributor for specific warranty details related to this part.\u003c\/p\u003e","brand":"MPA Electrical","offers":[{"title":"Default Title","offer_id":51924335820981,"sku":"FQTW-B1133","price":160.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MV_B1133_Fro.jpg?v=1775006093","url":"https:\/\/www.partcatalog.com\/products\/mpa-electrical-b1133-power-brake-booster","provider":"PartCatalog","version":"1.0","type":"link"}