{"product_id":"walker-84373-catalytic-converter","title":"Walker 84373 Catalytic Converter","description":"\u003ch2\u003eWalker CalCat Direct-Fit Converter\u003c\/h2\u003e\u003cp\u003eWalker CalCat 84373 is a direct-fit catalytic converter built for specific Nissan Sentra applications from 2013 through 2019. It is engineered for CARB-compliant replacement use and follows an OE-style fit for straightforward exhaust service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit design for specific Nissan Sentra applications\u003c\/li\u003e\n\u003cli\u003eCARB certified for use in California and other CARB-regulated states\u003c\/li\u003e\n\u003cli\u003eStainless steel body with a ceramic substrate\u003c\/li\u003e\n\u003cli\u003eRound converter body with welded 2-bolt flange connections\u003c\/li\u003e\n\u003cli\u003ePost-catalyst oxygen sensor location\u003c\/li\u003e\n\u003cli\u003eWalker CalCat line focused on compliant replacement converters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Walker catalytic converter uses a specific-fit layout with a stainless steel housing and ceramic substrate to match the original exhaust configuration more closely. The 84373 is listed for Nissan Sentra models from 2013-2019, with fitment notes identifying CARB Executive Order D-182-73 for 2013-2017 applications and direct-fit installation characteristics. The part number 84373 is also associated with Walker CalCat replacement coverage for OBDII and non-OBD vehicles where applicable.\u003c\/p\u003e\u003cp\u003eWalker CalCat is the product line for CARB-compliant replacement converters, built to provide an OE-style fit and emissions-focused application coverage. For buyers searching for a Nissan Sentra catalytic converter or Walker 84373 replacement, this unit is positioned as a direct-fit solution for regulated exhaust repair.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a failed or restricted catalytic converter\u003c\/li\u003e\n\u003cli\u003eRestoring exhaust flow after converter damage or contamination\u003c\/li\u003e\n\u003cli\u003eAddressing emissions-related fault conditions tied to converter efficiency\u003c\/li\u003e\n\u003cli\u003eRepairing a CARB-regulated exhaust system with a direct-fit unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eFitment is specific to listed Nissan Sentra applications. The fitment notes call for exhaust gasket replacement and identify additional parts 31364 and 31372 as needed to complete installation on certain applications. Mounting hardware is not included. Verify the vehicle’s emissions requirements, engine family information, and exhaust configuration before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker states that CalCat converters are designed, tested, and validated to meet CARB standards. This part number 84373 is CARB certified and built as a direct-fit replacement for the listed Nissan Sentra applications.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":53487210856629,"sku":"BDCN-84373","price":715.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_84373_Fro.jpg?v=1791351454","url":"https:\/\/www.partcatalog.com\/products\/walker-84373-catalytic-converter","provider":"PartCatalog","version":"1.0","type":"link"}