{"product_id":"rear-disc-brake-caliper-assembly-kit-for-lexus-is250-2006-2013-19-b3221-19-b3220-4785053051-4783053051-new-brake-set","title":"Rear Disc Brake Caliper Assembly Kit for Lexus IS250 2006-2013 19-B3221 19-B3220 4785053051 4783053051 New Brake Set","description":"\u003cp\u003eThis MXR aftermarket rear disc brake caliper kit includes one left and one right caliper for the Lexus IS250 applications listed below. Match both side-specific part references and your vehicle's brake configuration before ordering.\u003c\/p\u003e\u003ch2\u003eSupplier-Listed Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLexus IS250, 2006–2009: supplier lists all models; confirm your vehicle's original caliper references and brake configuration.\u003c\/li\u003e\n\u003cli\u003eLexus IS250 Base, 2010–2013: \u003cstrong\u003ewithout Sport Suspension only.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDo not treat this as universal 2006–2013 IS250 fitment. Compatibility with 2010–2013 Sport Suspension models or other trims is not established. Verify by VIN, original part number, and suspension specification before purchase.\u003c\/p\u003e\u003ch2\u003ePackage Contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 rear left brake caliper\u003c\/li\u003e\n\u003cli\u003e1 rear right brake caliper\u003c\/li\u003e\n\u003cli\u003eBrackets and installation hardware: included according to the supplier; confirm the exact hardware supplied.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInstallation instructions are not included. Brake pads, rotors, and brake hoses are not specified in the package list and should not be assumed included.\u003c\/p\u003e\u003ch2\u003eSide-Specific Part References\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear left: 19-B3221, 19B3221, 19-P3221, 19P3221, 4785053050, 4785053051\u003c\/li\u003e\n\u003cli\u003eRear right: 19-B3220, 19B3220, 19-P3220, 19P3220, 4783053050, 4783053051\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese are supplier-provided comparison references, not a claim of genuine Lexus manufacture or guaranteed interchangeability.\u003c\/p\u003e\u003ch2\u003eSupplier Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: MXR\u003c\/li\u003e\n\u003cli\u003eCondition: Listed as new\u003c\/li\u003e\n\u003cli\u003eInstallation position: Rear left and rear right\u003c\/li\u003e\n\u003cli\u003ePiston count: One piston per caliper\u003c\/li\u003e\n\u003cli\u003ePiston diameter: 1.69 in \/ 42.93 mm\u003c\/li\u003e\n\u003cli\u003ePiston material: Steel\u003c\/li\u003e\n\u003cli\u003eCaliper body: Cast iron, according to the specification section\u003c\/li\u003e\n\u003cli\u003eBleeder port: M7 × 1.0\u003c\/li\u003e\n\u003cli\u003eInlet port: Listed as 0.39, with no unit or thread specification supplied; confirm before ordering.\u003c\/li\u003e\n\u003cli\u003eListed weight: 6,450 g\u003c\/li\u003e\n\u003cli\u003eCountry of origin: China\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe supplier's promotional text also mentions stainless steel, which conflicts with its cast-iron body specification. Confirm construction with the supplier if material requirements are important to your application.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Safety\u003c\/h2\u003e\u003cp\u003eBrake components are safety-critical. Professional installation is strongly recommended. Follow the vehicle manufacturer's service procedures for mounting, fastener torque, brake-fluid selection, bleeding, and leak checks. Verify correct operation before returning the vehicle to service.\u003c\/p\u003e\u003cp\u003eNo improved stopping distance, overheating prevention, or OEM-equivalent quality claim is made. The supplier advertises a two-year warranty, but eligibility and coverage terms must be confirmed before purchase. For fitment and warranty questions, contact support@samuraiautoparts.com.\u003c\/p\u003e","brand":"Samurai Auto Parts","offers":[{"title":"United States","offer_id":67605643952264,"sku":"200007763:201336106","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/2744\/9224\/files\/Saba4570139a94e08af36de315a352e9eI.webp?v=1791047579","url":"https:\/\/samuraiautoparts.com\/products\/rear-disc-brake-caliper-assembly-kit-for-lexus-is250-2006-2013-19-b3221-19-b3220-4785053051-4783053051-new-brake-set","provider":"Samurai Auto Parts","version":"1.0","type":"link"}