{"product_id":"ap-exhaust-771450-catalytic-converter-left","title":"AP Exhaust 771450 Catalytic Converter - Left","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis AP Exhaust catalytic converter is a CARB-compliant direct-fit replacement built for California emissions applications. It is engineered with a stainless steel body, ceramic substrate, and exact OE dimensions for a precise installation on supported Ford, Lincoln, and Mercury applications.\u003c\/p\u003e\u003cp\u003ePart number 771450 is identified with Executive Order D-798-9 and uses a direct-fit design with a 2-bolt loose flange inlet and 2-bolt welded flange outlet. The converter includes two O2 sensor ports and an outlet gasket, while inlet gasket and inlet hardware are not required.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCARB-compliant direct-fit catalytic converter for emissions service\u003c\/li\u003e\n\u003cli\u003eStainless steel body with ceramic substrate construction\u003c\/li\u003e\n\u003cli\u003eBuilt to OE dimensions for accurate fitment\u003c\/li\u003e\n\u003cli\u003e2 O2 sensor ports for supported emissions configurations\u003c\/li\u003e\n\u003cli\u003e2-bolt loose flange inlet and 2-bolt welded flange outlet\u003c\/li\u003e\n\u003cli\u003eExecutive Order D-798-9 for California emissions applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eAP Exhaust part number 771450 is a catalytic converter designed for direct replacement in California emissions applications. The ARISTO substrate chemistry and advanced manufacturing process are used to produce efficient converter loading while maintaining OE-style dimensions and fitment. This supports consistent installation on compatible Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis applications, along with Mercury Marauder coverage in select model years.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFailed catalytic converter emissions testing\u003c\/li\u003e\n\u003cli\u003eCheck engine light concerns related to catalyst efficiency\u003c\/li\u003e\n\u003cli\u003eRestricted exhaust flow from a worn converter\u003c\/li\u003e\n\u003cli\u003eCalifornia emissions compliance replacement needs\u003c\/li\u003e\n\u003cli\u003eFitment issues caused by non-direct replacement parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s emissions certification, engine configuration, and left-side application before installation. This converter uses a direct-fit layout with specific flange connections and O2 sensor ports, so matching the original configuration is important for proper installation. Part number 771450 should be matched to the exact fitment listing for the vehicle.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eAP Exhaust states that its manufacturing process uses automated workstations, spinner welding equipment, and high-speed production lines to build converters to exact OE dimensions and fitment. Executive Order D-798-9 identifies this unit for California emissions compliance.\u003c\/p\u003e","brand":"AP Exhaust","offers":[{"title":"Default Title","offer_id":53370377535669,"sku":"BBDL-771450","price":911.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AP_771450_Fro.jpg?v=1790143022","url":"https:\/\/www.partcatalog.com\/products\/ap-exhaust-771450-catalytic-converter-left","provider":"PartCatalog","version":"1.0","type":"link"}