{"product_id":"standard-ignition-av31-secondary-air-injection-pump-check-valve","title":"Standard Ignition AV31 Secondary Air Injection Pump Check Valve","description":"\u003ch2\u003eOverview of Standard Ignition Secondary Air Injection Pump Check Valve\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition AV31 Secondary Air Injection Pump Check Valve is designed to maintain proper airflow in the emission control system of select Dodge and Plymouth vehicles. This valve ensures efficient operation of the secondary air injection pump, helping to reduce harmful emissions in your Caravan or Voyager.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Dodge Caravan and Plymouth Voyager models\u003c\/li\u003e\n\u003cli\u003eValve content designed for durability and reliable performance\u003c\/li\u003e\n\u003cli\u003e3\/4 inch hose size for precise fitment\u003c\/li\u003e\n\u003cli\u003e3\/4\" x 14 NPT thread size for secure installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe AV31 check valve from Standard Ignition is engineered to fit the secondary air injection system of Dodge Caravan and Plymouth Voyager vehicles. It features a 3\/4 inch hose size, which corresponds to approximately 19 mm, ensuring compatibility with the existing air injection hoses. The valve includes a 3\/4\" x 14 NPT thread size, providing a secure and leak-free connection within the emission control system. This part is essential for preventing backflow of exhaust gases and maintaining the proper function of the secondary air injection pump.\u003c\/p\u003e\u003ch2\u003ePurpose and Common Applications\u003c\/h2\u003e\u003cp\u003eThis secondary air injection pump check valve is used to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevent exhaust gases from flowing back into the air injection pump\u003c\/li\u003e\n\u003cli\u003eMaintain proper air pressure within the emission control system\u003c\/li\u003e\n\u003cli\u003eSupport the reduction of harmful emissions during cold engine starts\u003c\/li\u003e\n\u003cli\u003eEnsure compliance with emission standards for Dodge Caravan and Plymouth Voyager\u003c\/li\u003e\n\u003cli\u003eHelp avoid damage to the secondary air injection pump caused by backflow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Standard Ignition AV31 check valve, ensure the hose size matches the 3\/4 inch specification for a proper seal. Use the 3\/4\" x 14 NPT thread size to securely fasten the valve in place. It is recommended to inspect the surrounding hoses and connections for wear or damage during installation. Proper orientation of the valve is critical to prevent backflow and maintain system efficiency.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance in emission control systems. The AV31 check valve undergoes rigorous quality control to provide durability and consistent operation. Warranty coverage details are available through Standard Ignition and typically cover defects in materials and workmanship under normal use.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44503393239221,"sku":"FBHK-AV31","price":62.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_AV31_Fro.jpg?v=1775022072","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-av31-secondary-air-injection-pump-check-valve","provider":"PartCatalog","version":"1.0","type":"link"}