{"product_id":"trw-psa122-power-brake-booster","title":"TRW PSA122 Power Brake Booster","description":"\u003ch2\u003eReliable Power Brake Booster for BMW 7 Series Models\u003c\/h2\u003e\u003cp\u003eThe TRW PSA122 power brake booster is designed as a standard replacement part for select BMW 7 Series vehicles. Engineered to restore proper brake assist function, this vacuum booster ensures consistent pedal feel and braking performance for models including the 745i, 745Li, 750i, 750Li, 760i, and 760Li.\u003c\/p\u003e\u003ch2\u003eKey Features of the TRW PSA122 Power Brake Booster\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard replacement grade for dependable brake service\u003c\/li\u003e\n\u003cli\u003eVacuum booster type providing effective brake assist\u003c\/li\u003e\n\u003cli\u003eDual diaphragm design with a 245 mm diameter for balanced pressure\u003c\/li\u003e\n\u003cli\u003eDurable steel housing construction for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eIncludes essential gaskets and neck seals for proper installation\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe TRW PSA122 power brake booster is a vacuum-type booster featuring a dual diaphragm with a 245 mm diameter, designed to deliver consistent and reliable brake assist. Its steel housing provides structural integrity and resistance to wear, ensuring durability under demanding conditions. This booster does not include a master cylinder, brake pedal rod extension, mounting hardware, or mounting bracket, but it does come with the necessary gaskets and neck seals to maintain a proper seal and prevent vacuum leaks. Specifically engineered for BMW 7 Series models such as the 745i, 745Li, 750i, 750Li, 760i, and 760Li, the PSA122 meets OEM specifications for a direct replacement.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pedal responsiveness and assist in BMW 7 Series vehicles\u003c\/li\u003e\n\u003cli\u003eEliminates hard brake pedal problems caused by failing boosters\u003c\/li\u003e\n\u003cli\u003ePrevents vacuum leaks that reduce braking efficiency\u003c\/li\u003e\n\u003cli\u003eAddresses inconsistent brake pedal travel or sponginess\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged brake boosters to maintain safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the TRW PSA122 power brake booster, ensure all vacuum lines are inspected and free of damage. Since mounting hardware and master cylinder are not included, reuse existing components or source separately as needed. Properly install the included gaskets and neck seals to prevent vacuum leaks. It is recommended to verify compatibility with your specific BMW 7 Series model year before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eTRW manufactures the PSA122 power brake booster to meet strict quality standards, ensuring reliable performance and durability. This part is designed as a standard replacement to match OEM specifications. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.\u003c\/p\u003e","brand":"TRW","offers":[{"title":"Default Title","offer_id":52038819643573,"sku":"DJVT-PSA122","price":206.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TW_PSA122_Fro.jpg?v=1775101712","url":"https:\/\/www.partcatalog.com\/products\/trw-psa122-power-brake-booster","provider":"PartCatalog","version":"1.0","type":"link"}