{"product_id":"walker-14753-catalytic-converter-rear","title":"Walker 14753 Catalytic Converter - Rear","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eWalker EPA 14753 is a direct-fit catalytic converter built for specific applications and engineered to meet EPA standards. It uses a stainless steel body with a ceramic substrate and includes pre- and post-converter oxygen sensor ports for proper emissions system integration.\u003c\/p\u003e\u003cp\u003eFits 2019-2023 Nissan Altima, rear. This Walker catalytic converter is part number 14753 and is built for OBDII vehicles from 1996 and newer where EPA-compliant replacement is required.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit design for specific applications\u003c\/li\u003e\n\u003cli\u003eEPA-compliant construction for emissions service\u003c\/li\u003e\n\u003cli\u003eStainless steel body with ceramic substrate\u003c\/li\u003e\n\u003cli\u003eTwo oxygen sensor ports for pre- and post-converter placement\u003c\/li\u003e\n\u003cli\u003eRound body shape with welded 2-bolt flange connections\u003c\/li\u003e\n\u003cli\u003eInlet gasket and inlet mounting hardware included\u003c\/li\u003e\n\u003cli\u003eHangers included for installation support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eWalker EPA 14753 is a premium catalytic converter designed for emissions replacement on select import and domestic OBDII vehicles. The round stainless steel housing measures 31 inches overall, with a 4-inch by 4-inch by 8-inch body and welded 2-bolt flange inlet and outlet connections. The ceramic substrate is paired with two sensor ports to support the vehicle’s emissions monitoring setup. For buyers searching for a Nissan Altima rear catalytic converter or Walker 14753 catalytic converter, this unit provides the fitment and construction details needed for a direct replacement.\u003c\/p\u003e\u003cp\u003eThe EPA product line from Walker focuses on compliant replacement exhaust components for OBDII applications. This part cross-references AP Exhaust 644220 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Replacement Issues\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFailed emissions testing due to a worn converter\u003c\/li\u003e\n\u003cli\u003eCheck engine light related to catalyst efficiency codes\u003c\/li\u003e\n\u003cli\u003eRestricted exhaust flow from internal substrate damage\u003c\/li\u003e\n\u003cli\u003eCorrosion or leakage at the converter body or flange connections\u003c\/li\u003e\n\u003cli\u003eSensor-related exhaust faults at pre- or post-converter locations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify fitment by year, make, model, and rear position before installation. The inlet side includes gasket and mounting hardware; the outlet side does not include mounting hardware. Confirm sensor port alignment and flange style against the original exhaust configuration before final assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker designs this converter to comply with EPA standards and to provide premium replacement performance for specific OBDII applications. Part number 14753 is built as a direct-fit emissions component for service replacement use.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":53487217541301,"sku":"BDCN-14753","price":320.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_14753_Ang.jpg?v=1791352178","url":"https:\/\/www.partcatalog.com\/products\/walker-14753-catalytic-converter-rear","provider":"PartCatalog","version":"1.0","type":"link"}