{"product_id":"powerstop-l1139-disc-brake-caliper-front-left","title":"PowerStop L1139 Disc Brake Caliper - Front Left","description":"\u003ch2\u003eReliable Front OE Stock Replacement Caliper for BMW Models\u003c\/h2\u003e\u003cp\u003eThe PowerStop L1139 disc brake caliper is designed to provide dependable braking performance for select BMW vehicles. Engineered as a front OE stock replacement, this caliper ensures compatibility and consistent operation for models like the 318i, 318is, 325e, 325es, 325i, 325is, and 325iX.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron caliper casting for durability\u003c\/li\u003e\n\u003cli\u003eFloating caliper type with one steel piston (47.98 mm diameter)\u003c\/li\u003e\n\u003cli\u003eIncludes caliper slides and mounting bracket for proper fitment\u003c\/li\u003e\n\u003cli\u003eGray finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eBleeder screw with M7 x 1.0 thread size for maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the PowerStop - Front OE Stock Replacement Caliper Line\u003c\/h2\u003e\u003cp\u003eThe PowerStop - Front OE Stock Replacement Caliper line is designed to match original equipment specifications, providing a direct replacement solution for front disc brake calipers. This line focuses on maintaining factory performance and fitment, making it suitable for BMW owners seeking a reliable and consistent braking component without modification.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe PowerStop L1139 caliper features a cast iron construction that offers strength and heat resistance necessary for effective braking. Its floating caliper design utilizes a single steel piston with a diameter of 47.98 mm, ensuring even pressure distribution on the brake pads. The inclusion of caliper slides and a mounting bracket facilitates proper installation and alignment on the front brake assembly. Finished in gray, the caliper resists corrosion and maintains structural integrity over time. The bleeder screw with an M7 x 1.0 thread size allows for straightforward brake fluid bleeding during maintenance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or seized front calipers on BMW 318i, 318is, 325e, 325es, 325i, 325is, and 325iX models\u003c\/li\u003e\n\u003cli\u003eAddresses uneven brake pad wear caused by caliper sticking\u003c\/li\u003e\n\u003cli\u003eResolves brake drag issues due to faulty piston operation\u003c\/li\u003e\n\u003cli\u003eImproves braking response when original caliper components have deteriorated\u003c\/li\u003e\n\u003cli\u003eRestores proper brake fluid pressure and pedal feel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the brake system is properly depressurized before removing the old caliper. The PowerStop L1139 includes caliper slides and a mounting bracket but does not include additional mounting hardware, so verify existing hardware condition prior to installation. Use the correct bleeder screw size (M7 x 1.0) for brake fluid bleeding. It is recommended to inspect brake pads and rotors during installation and replace if necessary to maintain optimal braking performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003ePowerStop manufactures the L1139 caliper to meet OE specifications, ensuring reliable performance and fitment. The cast iron construction and steel piston materials contribute to long service life under normal operating conditions. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.\u003c\/p\u003e","brand":"PowerStop","offers":[{"title":"Default Title","offer_id":51809467400373,"sku":"BHKQ-L1139","price":90.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/P8_L1139_Fro.jpg?v=1775165290","url":"https:\/\/www.partcatalog.com\/products\/powerstop-l1139-disc-brake-caliper-front-left","provider":"PartCatalog","version":"1.0","type":"link"}