{"product_id":"a-premium-rear-drum-brake-wheel-cylinder-3-4-bore-left-right-rear-cast-iron-oe-fit-for-chevy-gmc-isuzu","title":"A-Premium Rear Drum Brake Wheel Cylinder 3\/4\" Bore — Left \u0026 Right Rear Cast-Iron, OE Fit for Chevy GMC Isuzu","description":"\u003cp\u003e\u003cstrong\u003eThe A-Premium rear drum brake wheel cylinder is a direct-replacement cast-iron cylinder with a 3\/4-inch bore designed to restore rear braking performance on compatible Chevy, GMC and Isuzu trucks and SUVs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis precision-manufactured wheel cylinder rebuilds hydraulic pressure at the rear drum brakes. It is sold as left and right rear (driver and passenger) wheel cylinders and is engineered to match OE-style dimensions and fastening points so it fits popular models from the 1990s and early 2000s. The unit has passed high-pressure and elevated-temperature testing to meet durability expectations for brake system components.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this A-Premium wheel cylinder fit?\u003c\/h3\u003e\n\u003cp\u003eThe cylinder covers a range of Chevrolet, GMC, Isuzu and Oldsmobile rear drum applications. Fitment includes postal and compact trucks and their SUV variants—confirm your exact year and model before ordering.\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)\u003c\/li\u003e\n  \u003cli\u003eOldsmobile: Bravada (1992–1994, 1996)\u003c\/li\u003e\n  \u003cli\u003eAlways enter your vehicle details in the listing’s top-left fitment tool and review Special Notes before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications and parts included?\u003c\/h3\u003e\n\u003cp\u003eThis cylinder is built from cast iron to withstand brake fluid exposure and mechanical load. It ships with the bleeder screw installed but does not include a bleeder screw cap.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBore (inside diameter): 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 for structural durability\u003c\/li\u003e\n  \u003cli\u003eIncluded: bleeder screw; Bleeder screw cap: not included\u003c\/li\u003e\n  \u003cli\u003eReference numbers: W37967, 18017570, 18060160, 19213357, 8180175700, 8180601600\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow was this wheel cylinder tested for reliability?\u003c\/h3\u003e\n\u003cp\u003eA-Premium subjects each wheel cylinder to strict performance checks that simulate real-world braking conditions. Tests cover both pressure endurance and elevated-temperature resilience to help ensure consistent braking response.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePressure test range: from 0.2 MPa up to 20 MPa\u003c\/li\u003e\n  \u003cli\u003eHigh-temperature test: 120°C exposure to verify thermal stability\u003c\/li\u003e\n  \u003cli\u003eDimensional and thread inspections to confirm correct fit and sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and buyer protections are offered?\u003c\/h3\u003e\n\u003cp\u003eA-Premium provides a straightforward limited warranty and quality support for this brake component. The guarantee is intended to give buyers confidence in part longevity and fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-year unlimited-mileage warranty from A-Premium\u003c\/li\u003e\n  \u003cli\u003eWide accessory selection and customer support for installation questions\u003c\/li\u003e\n  \u003cli\u003eReturn and fitment guidance available—verify vehicle compatibility before installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: mechanics, restoration enthusiasts and fleet operators who service 1990s–early-2000s Chevrolet, GMC, Isuzu or Oldsmobile vehicles with rear drum brakes. Choose this wheel cylinder if you need an OE-style cast-iron replacement with a 3\/4\" bore and verified pressure\/temperature testing. Confirm your exact model year and axle side (rear driver or passenger) using the listing fitment tool and review the Special Notes before purchasing to ensure proper fit.\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 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 uses a 3\/4\" (0.75\") bore and is made from cast iron for durability.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":55166149787991,"sku":"B0D8424STM","price":36.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/a-premium-rear-wheel-cylinder-front-view.jpg?v=1790364339","url":"https:\/\/britishgarage.co.uk\/products\/a-premium-rear-drum-brake-wheel-cylinder-3-4-bore-left-right-rear-cast-iron-oe-fit-for-chevy-gmc-isuzu","provider":"British Garage","version":"1.0","type":"link"}