{"product_id":"a-premium-rear-drum-brake-wheel-cylinder-for-toyota-scion-3-4in-bore-cast-iron-left-right","title":"A-Premium Rear Drum Brake Wheel Cylinder for Toyota \u0026 Scion — 3\/4in Bore, Cast Iron, Left\/Right","description":"\u003cp\u003e\u003cstrong\u003eThis A-Premium rear drum brake wheel cylinder restores reliable braking action for compatible Toyota and Scion rear wheels.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned as a direct-replacement brake wheel cylinder, this cast-iron unit fits rear left and right positions on a range of Toyota and Scion models. It recreates the original bore dimensions and thread sizes to work with existing drum brake hardware, helping maintain even hydraulic pressure and predictable pedal feel when installed correctly. The part is sold by A-Premium and is backed by a one-year unlimited-mileage guarantee for manufacturing defects.\u003c\/p\u003e\n\n\u003ch3\u003eWhich models and years will this wheel cylinder fit?\u003c\/h3\u003e\n\u003cp\u003eThis cylinder matches specific Toyota and Scion rear-drum applications. It covers multiple model years and is intended for rear left and right installations, but compatibility depends on the exact vehicle build and production location.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eScion xB: 2004–2006 rear left and right fitment\u003c\/li\u003e\n  \u003cli\u003eToyota Yaris: 2007–2015 and select 2016–2017 LE\/L models (note exceptions)\u003c\/li\u003e\n  \u003cli\u003eToyota Corolla: 2003–2007 and 2008 North American built vehicles\u003c\/li\u003e\n  \u003cli\u003eToyota Prius: 2003–2009 and Celica: 2003–2005 rear drum setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications and hardware details?\u003c\/h3\u003e\n\u003cp\u003eThe cylinder is cast iron with a nominal inside bore diameter and standard brake line thread. It includes the internal bleeder screw but ships without a bleeder screw cap. These details help ensure the part mates correctly with OEM brake plumbing and mounting points.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInside bore diameter: 0.75 inch (3\/4\") for listed models except select 2016–2017 Yaris\u003c\/li\u003e\n  \u003cli\u003eBrake inlet thread: M10 x 1.0; thread diameter 10 mm\u003c\/li\u003e\n  \u003cli\u003eMaterial: durable cast iron for longevity and resistance to deformation\u003c\/li\u003e\n  \u003cli\u003eBleeder screw included; cap not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm this is the right replacement for my vehicle?\u003c\/h3\u003e\n\u003cp\u003eBefore purchasing, check your vehicle year, model, and whether the rear brakes are drum-style. Use OEM reference numbers and measurements to cross-check fitment; this reduces the chance of ordering the wrong part.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare OEM reference numbers: W610156, WC370146, 4757002020 and related numbers\u003c\/li\u003e\n  \u003cli\u003eConfirm rear drum configuration and inside diameter (0.75\") on your current cylinder\u003c\/li\u003e\n  \u003cli\u003eEnter your vehicle details in the listing’s vehicle selector to verify fit\u003c\/li\u003e\n  \u003cli\u003eContact seller with VIN or part photographs if you’re unsure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This A-Premium rear drum brake wheel cylinder is aimed at DIY mechanics, independent repair shops, and fleet owners who need an OEM-style replacement for rear drum brake systems on specified Toyota and Scion vehicles. If your car uses rear drum brakes and matches the listed models or OEM part numbers, this unit offers a cost-effective option with a manufacturer warranty. For vehicles not listed or for disc rear brakes, choose the appropriate replacement part. Always follow vehicle service manuals and safety procedures when replacing brake components, and have brakes bled and inspected after installation.\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 a bleeder screw cap?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the bleeder screw is included but the cap is not supplied with the cylinder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this part covered by a warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, A-Premium provides a one-year unlimited-mileage guarantee against manufacturing defects.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":67586901639353,"sku":"B0DB5PYKWS","price":98.42,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/a-premium-rear-wheel-cylinder-front-view.jpg?v=1790496685","url":"https:\/\/redleafauto.ca\/products\/a-premium-rear-drum-brake-wheel-cylinder-for-toyota-scion-3-4in-bore-cast-iron-left-right","provider":"Redleaf Auto","version":"1.0","type":"link"}