{"product_id":"a-premium-rear-drum-brake-wheel-cylinder-compatible-with-toyota-scion-cast-iron-3-4in-bore-oe-fit","title":"A-Premium Rear Drum Brake Wheel Cylinder Compatible with Toyota \u0026 Scion — Cast Iron 3\/4in Bore, OE Fit","description":"\u003cp\u003e\u003cstrong\u003eA-Premium Rear Drum Brake Wheel Cylinder is a cast-iron replacement cylinder engineered to restore rear drum braking function on compatible Toyota and Scion models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis wheel cylinder is a direct-fit aftermarket replacement designed for rear left and right positions on a range of Toyota and Scion vehicles. It matches OE-style dimensions and thread patterns so you can replace a leaking or seized cylinder without modifying lines or backing plates. The unit ships with the bleeder screw installed and is built from cast iron for durability under repeated brake use.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles can use this wheel cylinder?\u003c\/h3\u003e\n\u003cp\u003eThis A-Premium cylinder fits specific Toyota and Scion models across multiple years, covering common platforms that use rear drum brakes. Check your exact year and submodel before ordering to ensure correct bore size and fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eScion xB: 2004–2006 (rear left and right)\u003c\/li\u003e\n  \u003cli\u003eToyota Yaris: 2007–2015, and select 2016–2017 LE\/L models (verify notes)\u003c\/li\u003e\n  \u003cli\u003eToyota Corolla: 2003–2007 and 2008 North American built models\u003c\/li\u003e\n  \u003cli\u003eToyota Prius: 2003–2009; Toyota Celica: 2003–2005\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications and hardware included?\u003c\/h3\u003e\n\u003cp\u003eThe cylinder has a 3\/4-inch inside bore (except some 2016–2017 Yaris models) and an M10 x 1.0 brake inlet thread. The package includes the bleeder screw but not a protective bleeder cap.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: cast iron for strength and wear resistance\u003c\/li\u003e\n  \u003cli\u003eInside diameter: 0.75 inch (verify for some Yaris years)\u003c\/li\u003e\n  \u003cli\u003eBrake inlet thread size: M10 x 1.0; thread diameter: 10 mm\u003c\/li\u003e\n  \u003cli\u003eBleeder screw included; bleeder screw cap not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm fitment and replace the part correctly?\u003c\/h3\u003e\n\u003cp\u003eEnter your vehicle information where shown on the product listing and compare the reference numbers to your existing cylinder before purchase. During installation, inspect brake lines, boots, and wheel cylinder mounting for wear, and follow standard brake bleeding procedures after replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare reference numbers: W610156, WC370146, 4757002020, 4757020101, and others listed\u003c\/li\u003e\n  \u003cli\u003eVerify bore size for your specific year\/model (especially 2016–2017 Yaris)\u003c\/li\u003e\n  \u003cli\u003eReplace boots and springs if corroded; bleed system to remove air\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This wheel cylinder is aimed at DIY mechanics, independent repair shops, and fleet maintainers who need a reliable, OE-style rear drum wheel cylinder for Toyota and Scion vehicles. It’s suitable for anyone replacing a leaking, stuck, or internally corroded cylinder and who wants a cast-iron component with an aftermarket warranty for peace of mind. Always confirm exact model year and part references before ordering to ensure perfect compatibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this wheel cylinder include the bleeder screw?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the bleeder screw is included; a protective bleeder cap is not supplied.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What bore size is this cylinder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The inside diameter is 0.75 inch for most listed models; verify for some 2016–2017 Yaris applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48082954748062,"sku":"B0DB5PYKWS","price":60.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-premium-rear-wheel-cylinder-front-view.jpg?v=1785820229","url":"https:\/\/northtrailauto.ca\/products\/a-premium-rear-drum-brake-wheel-cylinder-compatible-with-toyota-scion-cast-iron-3-4in-bore-oe-fit","provider":"North Trail Auto","version":"1.0","type":"link"}