{"product_id":"walker-81140-catalytic-converter","title":"Walker 81140 Catalytic Converter","description":"\u003ch2\u003eCARB-Compliant Direct-Fit Converter\u003c\/h2\u003e\u003cp\u003eWalker CalCat 81140 is a direct-fit catalytic converter built for specific Honda applications from 1990-1993. It is CARB certified and designed for a precise OE-style fit, making it a practical replacement for emissions-related exhaust service on a Honda Accord or Honda Prelude.\u003c\/p\u003e\u003cp\u003eThe Walker CalCat line focuses on direct-fit replacement converters for OBDII and non-OBD vehicles, with CARB compliance validated for regulated markets. Part number 81140 is built with a stainless steel body, ceramic substrate, and welded 3-bolt flange connections for a factory-style exhaust interface.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit catalytic converter for specific Honda 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 construction\u003c\/li\u003e\n\u003cli\u003eCeramic substrate material\u003c\/li\u003e\n\u003cli\u003e3-bolt welded flange inlet and outlet\u003c\/li\u003e\n\u003cli\u003eRound body shape with OE-style dimensions\u003c\/li\u003e\n\u003cli\u003eSingle-converter design for targeted exhaust replacement\u003c\/li\u003e\n\u003cli\u003eWalker CalCat 81140 part number for catalog matching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment and Application\u003c\/h2\u003e\u003cp\u003eCompatible with 1990-1993 Honda Accord and 1992-1993 Honda Prelude. Fits 1990-1993 Honda Accord, N\/A. Fits 1992-1993 Honda Prelude, N\/A. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 3322624) for the same application.\u003c\/p\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker CalCat 81140 is engineered as a direct replacement catalytic converter for Honda Accord and Honda Prelude models in the 1990-1993 range. The unit uses a ceramic substrate inside a stainless steel housing and connects through 3-bolt welded flanges at both the inlet and outlet. With an overall length of 13 inches and an outlet diameter of 1.78 inches, it is shaped for OE-style exhaust routing and fitment.\u003c\/p\u003e\u003cp\u003eFor buyers searching for a 1992 Honda Accord catalytic converter, a 1993 Honda Prelude catalytic converter, or a CARB-compliant replacement for a 1990-1993 Honda Accord, part number 81140 provides a direct-fit option built around the listed vehicle applications. The CalCat product line is positioned for regulated emissions replacement where CARB certification is required.\u003c\/p\u003e\u003ch2\u003eCommon Replacement Reasons\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFailed emissions test or catalyst efficiency fault\u003c\/li\u003e\n\u003cli\u003eRattling or damaged converter substrate\u003c\/li\u003e\n\u003cli\u003eCorrosion at the exhaust connection points\u003c\/li\u003e\n\u003cli\u003eNeed for a CARB-certified replacement converter\u003c\/li\u003e\n\u003cli\u003eRestoring exhaust flow on a Honda Accord or Honda Prelude\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eAdditional parts are needed to complete installation: 31645 and 31383. Verify the vehicle year, engine\/emissions configuration, and flange style before installation. Because this converter uses 3-bolt welded flanges and no oxygen sensor port location, confirm the existing exhaust layout matches the listed application before ordering or fitting.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker states that CalCat direct-fit catalytic converters are designed, tested, and validated for CARB compliance and OE-style fitment. Part number 81140 is CARB certified and carries Executive Order D-182-65 for the listed Honda applications.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52820722581685,"sku":"BDCN-81140","price":479.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_81140_Fro.jpg?v=1784524013","url":"https:\/\/www.partcatalog.com\/products\/walker-81140-catalytic-converter","provider":"PartCatalog","version":"1.0","type":"link"}