{"product_id":"a-premium-rear-drum-brake-wheel-cylinder-3-4-bore-cast-iron-direct-fit-for-chevy-gmc-isuzu-tested-seals","title":"A-Premium Rear Drum Brake Wheel Cylinder — 3\/4\" Bore Cast-Iron Direct-Fit for Chevy GMC Isuzu, Tested Seals","description":"\u003cp\u003e\u003cstrong\u003eThe A-Premium rear drum brake wheel cylinder is a direct-fit replacement with a 3\/4\" bore, cast-iron construction, and tested sealing for reliable brake actuation on compatible Chevy, GMC and Isuzu models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle uses drum brakes at the rear, the wheel cylinder is a key hydraulic component that pushes the brake shoes outward when you apply the brake pedal. This A-Premium unit is engineered to match factory dimensions and thread patterns for rear driver and passenger sides on select Chevrolet, GMC, Oldsmobile and Isuzu trucks and SUVs, helping restore correct braking function after a worn or leaking cylinder is removed.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this wheel cylinder fit?\u003c\/h3\u003e\n\u003cp\u003eThis wheel cylinder fits a range of 1990s and early-2000s light-duty trucks and SUVs from Chevrolet, GMC, Oldsmobile and Isuzu. Always verify year, make, model and axle position before ordering by using your vehicle info and the listing’s Special Notes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet: LLV (1994–1995), S10 (1992–2002), S10 Blazer (1992–1994)\u003c\/li\u003e\n  \u003cli\u003eGMC: Jimmy (1992–1994), Sonoma (1992–2002), Typhoon (1992–1993)\u003c\/li\u003e\n  \u003cli\u003eIsuzu: Hombre (1996–2000); Oldsmobile: Bravada (1992–1994, 1996)\u003c\/li\u003e\n  \u003cli\u003eFits rear driver and passenger side; confirm fit with reference numbers like W37967 or 18017570\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications and hardware included?\u003c\/h3\u003e\n\u003cp\u003eThis cylinder has a 0.75 inch (3\/4\") inside diameter and uses a 3\/8-24 inlet thread size, built from cast iron for durability. It ships with the bleeder screw installed but does not include a bleeder screw cap, so inspect your hardware needs before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInside diameter (bore): 0.75 inch (3\/4\")\u003c\/li\u003e\n  \u003cli\u003eBrake component inlet thread size: 3\/8-24; thread diameter: 3\/8\u003c\/li\u003e\n  \u003cli\u003eMaterial: cast iron; bleeder screw included, bleeder cap not included\u003c\/li\u003e\n  \u003cli\u003eReference numbers for cross-checking: 18060160, 19213357, 8180601600, etc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is quality verified and what warranty is offered?\u003c\/h3\u003e\n\u003cp\u003eA-Premium subjects each wheel cylinder to pressure and high-temperature testing to help ensure leak-free operation under typical brake system loads. The part carries a one-year unlimited-mileage guarantee from A-Premium, giving added protection against early defects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePressure-tested across a performance range to verify sealing integrity\u003c\/li\u003e\n  \u003cli\u003eHigh-temperature exposure up to 120°C to check material stability and seals\u003c\/li\u003e\n  \u003cli\u003eOne-year unlimited-mileage warranty from A-Premium for manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and verify this part once received?\u003c\/h3\u003e\n\u003cp\u003eInstallation should follow vehicle manufacturer torque specifications and brake bleeding procedures. After fitting the cylinder and reconnecting the brake line, bleed the brake system, check for leaks at the inlet, and confirm proper pedal feel and wheel rotation before driving.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse correct line fittings and 3\/8-24 thread engagement to avoid leaks\u003c\/li\u003e\n  \u003cli\u003eBleed the brakes fully and inspect for weeping around the bleeder screw and inlet\u003c\/li\u003e\n  \u003cli\u003eTest road at low speed to ensure even braking and no dragging or noise\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This A-Premium rear drum brake wheel cylinder is intended for DIY mechanics, independent shops and fleet technicians restoring brake performance on compatible Chevrolet, GMC, Oldsmobile and Isuzu models. Choose this unit if you need a cast-iron, factory-dimension replacement with tested seals and a one-year warranty; confirm fitment with your vehicle details and the listed reference numbers before purchase.\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; the bleeder screw 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 and material does this cylinder use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It is a 3\/4 inch (0.75\") bore made from cast iron for durable service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48084894810270,"sku":"B0D8424STM","price":36.48,"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_d56df8fc-9ef8-4f71-af92-68b64895e2d8.jpg?v=1785865408","url":"https:\/\/northtrailauto.ca\/products\/a-premium-rear-drum-brake-wheel-cylinder-3-4-bore-cast-iron-direct-fit-for-chevy-gmc-isuzu-tested-seals","provider":"North Trail Auto","version":"1.0","type":"link"}