{"product_id":"mpa-electrical-b1140-power-brake-booster","title":"MPA Electrical B1140 Power Brake Booster","description":"\u003ch2\u003eReliable Power Brake Booster Replacement for Chevrolet Suburban\u003c\/h2\u003e\u003cp\u003eThe MPA Electrical Reman Vac Pwr Brake Booster w\/o Master Cyl (Part Number B1140) is designed as a standard replacement for your Chevrolet C20 Suburban and K20 Suburban. This remanufactured vacuum power brake booster restores proper brake assist performance without including the master cylinder.\u003c\/p\u003e\u003ch2\u003eKey Features of MPA Electrical B1140 Power Brake Booster\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRemanufactured condition ensuring reliable function\u003c\/li\u003e\n\u003cli\u003eVacuum booster type for effective brake assist\u003c\/li\u003e\n\u003cli\u003eMetal housing for durability and strength\u003c\/li\u003e\n\u003cli\u003eDiaphragm diameter of 11.02 inches (279.91 mm) for consistent performance\u003c\/li\u003e\n\u003cli\u003eIncludes 2 mounting studs with 3\/8-16 master cylinder stud thread size\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade suitable for brake service\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet C20 Suburban and K20 Suburban models\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 from MPA Electrical focuses on remanufactured vacuum power brake boosters that do not include the master cylinder. This line provides a cost-effective solution for restoring brake assist functionality while allowing customers to retain their existing master cylinder. The B1140 part is a precise fit for select Chevrolet Suburban models, maintaining OEM specifications for diaphragm size and mounting configuration.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis power brake booster is engineered with a metal housing to withstand the rigors of daily driving and braking demands. The vacuum booster design uses engine vacuum to amplify the force applied to the brake pedal, reducing driver effort and improving braking response. With a diaphragm diameter of 11.02 inches (279.91 mm), the booster delivers consistent brake assist performance. The unit includes two mounting studs and a 3\/8-16 master cylinder stud thread size, matching the original equipment specifications for Chevrolet C20 and K20 Suburban models. Note that this booster does not include the master cylinder, brake pedal rod extension, gaskets, seals, or mounting brackets.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake assist in Chevrolet C20 Suburban and K20 Suburban vehicles\u003c\/li\u003e\n\u003cli\u003eReplaces faulty or weak vacuum brake boosters causing hard brake pedal\u003c\/li\u003e\n\u003cli\u003eEliminates brake pedal travel issues due to booster diaphragm failure\u003c\/li\u003e\n\u003cli\u003eAddresses vacuum leaks that reduce braking efficiency\u003c\/li\u003e\n\u003cli\u003eSuitable for standard brake service replacement needs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is properly supported and the brake system is depressurized before beginning installation. This booster requires mounting to the firewall with two studs and connection to the master cylinder using the 3\/8-16 stud thread size. Since the master cylinder is not included, verify the condition of the existing master cylinder and replace if necessary. Check all vacuum lines for leaks and proper connection to the booster. Bleed the brake system after installation to remove any air and restore proper brake function.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe MPA Electrical B1140 power brake booster is remanufactured to meet standard brake service grade requirements. Each unit undergoes inspection and testing to ensure functional integrity and durability. While specific warranty details are not provided, remanufactured parts typically come with limited warranties covering defects in workmanship and materials. Consult the product documentation or supplier for exact warranty terms.\u003c\/p\u003e","brand":"MPA Electrical","offers":[{"title":"Default Title","offer_id":51924335886517,"sku":"FQTW-B1140","price":189.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MV_B1140_Fro.jpg?v=1775006094","url":"https:\/\/www.partcatalog.com\/products\/mpa-electrical-b1140-power-brake-booster","provider":"PartCatalog","version":"1.0","type":"link"}