{"product_id":"dorman-904-838-vacuum-pump","title":"Dorman 904-838 Vacuum Pump","description":"\u003ch2\u003eReliable Vacuum Pump for Audi and Volkswagen Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-838 vacuum pump is engineered to support emission control systems in select Audi and Volkswagen models. Designed with durable aluminum housing and a gear drive system, this vacuum pump ensures consistent performance for vehicles like the Audi Q3 and Volkswagen Tiguan.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAluminum housing for lightweight durability\u003c\/li\u003e\n\u003cli\u003eGear drive vacuum pump drive system\u003c\/li\u003e\n\u003cli\u003eIncludes relief valve for pressure regulation\u003c\/li\u003e\n\u003cli\u003eBarbed vacuum pump connector for secure hose attachment\u003c\/li\u003e\n\u003cli\u003eInside diameter of 0.346 inches for inlet and connector\u003c\/li\u003e\n\u003cli\u003ePackage includes 1 pump assembly and 1 gasket\u003c\/li\u003e\n\u003cli\u003eNo pulley, mounting hardware, or additional seals included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Construction\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-838 vacuum pump features a robust aluminum housing that provides corrosion resistance and long service life. Its gear drive system ensures reliable vacuum generation necessary for emission control and brake booster functions. The included relief valve helps maintain proper pressure levels, preventing system damage. The barbed vacuum pump connector and 0.346-inch inside diameter inlet facilitate secure and efficient hose connections. This pump is supplied with a gasket to ensure a proper seal during installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis vacuum pump is compatible with various Audi and Volkswagen models, including the Audi Q3, Q3 Quattro, and Volkswagen Beetle, GTI, Tiguan, and Tiguan Limited. It is designed specifically for emission control vacuum systems in these vehicles, helping to maintain optimal engine performance and reduce emissions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupports emission control system vacuum requirements\u003c\/li\u003e\n\u003cli\u003eHelps maintain brake booster vacuum for safe braking\u003c\/li\u003e\n\u003cli\u003eAddresses vacuum leaks that cause engine performance issues\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling caused by vacuum system failures\u003c\/li\u003e\n\u003cli\u003eReduces emission control malfunctions related to vacuum loss\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 904-838 vacuum pump, ensure the gasket is properly seated to prevent vacuum leaks. The pump does not include mounting hardware or a pulley, so reuse existing components or source compatible parts as needed. Verify the barbed connector and inlet size match your vehicle’s vacuum lines for a secure fit. Proper torque specifications should be followed to avoid damage to the aluminum housing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman vacuum pumps are manufactured to meet or exceed OEM specifications for fit, form, and function. The 904-838 part number undergoes rigorous quality control to ensure durability and reliable operation in emission control systems. Warranty coverage details can be obtained from the product documentation or manufacturer.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44327442874549,"sku":"BKKY-904-838","price":500.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904838_Fro.jpg?v=1775011879","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-838-vacuum-pump","provider":"PartCatalog","version":"1.0","type":"link"}