{"product_id":"standard-ignition-av77-secondary-air-injection-pump-check-valve","title":"Standard Ignition AV77 Secondary Air Injection Pump Check Valve","description":"\u003ch2\u003eSecondary Air Injection Check Valve for Volkswagen\u003c\/h2\u003e\u003cp\u003eStandard Ignition AV77 is a secondary air injection pump check valve built to OE exact grade standards for precise fit and function. It uses a round-to-flat connector shape, a 22 mm hose size, and a blade terminal type to match the original-style air cleaner check valve setup on select Volkswagen applications.\u003c\/p\u003e\u003cp\u003eCompatible with 2005-2014 Volkswagen Jetta, 2006-2010 Volkswagen Beetle, 2010-2014 Volkswagen Golf, 2010-2013 Volkswagen Golf SportWagen, and 2012-2014 Volkswagen Passat, this valve supports the air injection system layout used on these vehicles. Standard Ignition AV77 is also a direct reference for OE-style replacement needs where the original valve has failed or no longer seals correctly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOE exact grade replacement for secondary air injection system service\u003c\/li\u003e\n\u003cli\u003eRound-to-flat connector shape for original-style electrical connection\u003c\/li\u003e\n\u003cli\u003e22 mm hose size for proper air cleaner check valve fitment\u003c\/li\u003e\n\u003cli\u003eBlade terminal type for factory-style terminal interface\u003c\/li\u003e\n\u003cli\u003eDirect application coverage for select Volkswagen Beetle, Golf, Jetta, Golf SportWagen, and Passat models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eThis secondary air injection pump check valve helps control airflow in the emission control system by maintaining the intended direction of air movement through the air cleaner check valve circuit. Standard Ignition AV77 is built for OE exact grade replacement, making it a practical choice when servicing a Volkswagen Beetle, Volkswagen Golf, Volkswagen Jetta, Volkswagen Golf SportWagen, or Volkswagen Passat with the matching factory configuration. This part cross-references Dorman OE Solutions 911-139 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part May Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck valve leakage in the secondary air injection circuit\u003c\/li\u003e\n\u003cli\u003eIncorrect airflow direction through the air cleaner check valve\u003c\/li\u003e\n\u003cli\u003eEmission control fault codes related to air injection performance\u003c\/li\u003e\n\u003cli\u003eRough cold-start emissions behavior tied to a failing valve\u003c\/li\u003e\n\u003cli\u003eVacuum or air routing problems caused by a worn OE-style valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the connector shape, 22 mm hose size, and blade terminal layout against the original part before installation. Confirm vehicle-specific fitment by year and model, especially on 2005-2014 Volkswagen Jetta, 2006-2010 Volkswagen Beetle, 2010-2014 Volkswagen Golf, 2010-2013 Volkswagen Golf SportWagen, and 2012-2014 Volkswagen Passat applications. Inspect adjoining hoses and electrical terminals for wear or contamination before installing the replacement valve.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition supplies OE exact grade emission control components for direct replacement use. AV77 is built to match original-style specifications for the listed Volkswagen applications and support consistent serviceability in the secondary air injection system.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52816435544245,"sku":"FBHK-AV77","price":337.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_AV77_Fro.jpg?v=1784357185","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-av77-secondary-air-injection-pump-check-valve","provider":"PartCatalog","version":"1.0","type":"link"}