{"product_id":"dorman-904-824-vacuum-pump","title":"Dorman 904-824 Vacuum Pump","description":"\u003ch2\u003eReliable Vacuum Pump for Chevrolet and GMC Vans\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-824 vacuum pump is designed specifically for emission control systems in Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models. This electric motor-driven vacuum pump ensures consistent performance without the need for a pulley, making it a precise replacement part for your vehicle's vacuum system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eElectric motor drive system for efficient vacuum generation\u003c\/li\u003e\n\u003cli\u003ePlastic housing material for lightweight durability\u003c\/li\u003e\n\u003cli\u003eIncludes a relief valve to protect the system\u003c\/li\u003e\n\u003cli\u003eTwo male pin terminals with elliptical connector shape\u003c\/li\u003e\n\u003cli\u003eBarbed vacuum pump connector with 0.163 inch port diameter\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Express 2500\/3500 and GMC Savana 2500\/3500\u003c\/li\u003e\n\u003cli\u003ePart number 904-824 for accurate identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Features\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-824 vacuum pump features a plastic housing that balances durability and weight, suitable for the demanding environment of emission control systems. It operates via an electric motor drive system, eliminating the need for a pulley, which simplifies installation and reduces mechanical wear. The pump includes a relief valve to maintain system safety and prevent overpressure. It has two male pin terminals with an elliptical connector shape, ensuring secure electrical connections. The vacuum port is barbed with a diameter of 0.163 inches, designed to fit standard vacuum hoses with a 3\/16 inch inlet and 1\/4 inch outlet, providing compatibility with the original equipment specifications.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis vacuum pump is compatible with specific Chevrolet and GMC full-size vans, including the Express 2500, Express 3500, Savana 2500, and Savana 3500. It is intended for use in emission control vacuum systems and can address several common issues:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLoss of vacuum pressure affecting brake booster performance\u003c\/li\u003e\n\u003cli\u003eFaulty or worn vacuum pump causing engine performance issues\u003c\/li\u003e\n\u003cli\u003eEmission control system malfunctions related to vacuum supply\u003c\/li\u003e\n\u003cli\u003eElectrical connector failures due to damaged terminals\u003c\/li\u003e\n\u003cli\u003eVacuum leaks from worn or damaged pump components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 904-824 vacuum pump, ensure the electrical connections match the two-pin male elliptical terminals for proper fit. Since mounting hardware, gaskets, and pulleys are not included, reuse existing components or source compatible parts separately. Verify vacuum hose sizes to match the 0.163 inch barbed port and confirm secure hose attachment to prevent leaks. Follow vehicle-specific service manuals for torque specifications and electrical wiring procedures to ensure safe and effective installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 904-824 vacuum pump undergoes quality checks to ensure reliable operation within emission control systems. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44327440777397,"sku":"BKKY-904-824","price":170.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904824_Fro.jpg?v=1775011878","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-824-vacuum-pump","provider":"PartCatalog","version":"1.0","type":"link"}