{"product_id":"ap-exhaust-642100-catalytic-converter-rear","title":"AP Exhaust 642100 Catalytic Converter - Rear","description":"\u003ch2\u003eDirect-Fit Catalytic Converter\u003c\/h2\u003e\u003cp\u003eAP Exhaust 642100 is a Federal \/ EPA direct-fit catalytic converter built for exact OE dimensions and fitment. It uses a stainless steel body, a ceramic substrate, and a two-bolt welded flange design for a precise replacement on Lexus LS430 applications.\u003c\/p\u003e\u003cp\u003eThis catalytic converter is engineered for emissions repair work where the original converter has failed, triggered a check engine light, or no longer meets emissions performance requirements. AP Exhaust 642100 is built with advanced manufacturing methods to support consistent converter efficiency and accurate fitment.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFederal \/ EPA direct-fit design for straightforward replacement\u003c\/li\u003e\n\u003cli\u003eStainless steel body for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eCeramic substrate for efficient exhaust flow and emissions control\u003c\/li\u003e\n\u003cli\u003eTwo O2 sensor ports for the required sensor layout\u003c\/li\u003e\n\u003cli\u003eTwo-bolt welded flange inlet for OE-style connection\u003c\/li\u003e\n\u003cli\u003e47.25-inch overall length\u003c\/li\u003e\n\u003cli\u003eOutlet pipe with 2.47-inch inside diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cp\u003eFits 2001-2006 Lexus LS430, rear. Fits 2001-2006 Lexus LS430, rear, main converter. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003cp\u003eUse AP Exhaust 642100 when replacing a rear catalytic converter on Lexus LS430 models with Federal or California emissions configurations, subject to local emissions restrictions noted in the fitment data. The direct-fit construction helps maintain OE-style alignment at the exhaust connection points and supports proper sensor placement with the included port layout.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFailed catalytic converter efficiency codes\u003c\/li\u003e\n\u003cli\u003eExhaust leaks at the converter connection\u003c\/li\u003e\n\u003cli\u003eRestricted exhaust flow from a worn substrate\u003c\/li\u003e\n\u003cli\u003eEmissions test failures related to converter performance\u003c\/li\u003e\n\u003cli\u003eFitment issues caused by non-OE dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s emissions configuration and local regulations before installation. This converter uses a two-bolt welded flange inlet, requires no outlet gasket, and is listed with no inlet or outlet hardware. Confirm O2 sensor port placement and exhaust alignment before final tightening.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eAP Exhaust uses proprietary substrate chemistry and automated manufacturing processes to produce converters built to exact OE dimensions and fitment. Part number 642100 is manufactured for consistent converter efficiency and repeatable installation results.\u003c\/p\u003e","brand":"AP Exhaust","offers":[{"title":"Default Title","offer_id":53423972057269,"sku":"BBDL-642100","price":524.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AP_642100_Fro.jpg?v=1791097876","url":"https:\/\/www.partcatalog.com\/products\/ap-exhaust-642100-catalytic-converter-rear","provider":"PartCatalog","version":"1.0","type":"link"}