{"product_id":"ap-exhaust-645154-catalytic-converter","title":"AP Exhaust 645154 Catalytic Converter","description":"\u003ch2\u003eOverview of AP Exhaust Direct Fit Converter 645154\u003c\/h2\u003e\u003cp\u003eThe AP Exhaust Direct Fit Converter 645154 is engineered for precise compatibility with Chevrolet and GMC heavy-duty trucks. Designed to meet Federal and EPA standards, this catalytic converter ensures reliable emissions control for your Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable stainless steel body material\u003c\/li\u003e\n\u003cli\u003eCeramic substrate for effective catalytic conversion\u003c\/li\u003e\n\u003cli\u003eEquipped with four O2 sensor ports for accurate emissions monitoring\u003c\/li\u003e\n\u003cli\u003eInlet features both 3 bolt welded and loose flange types\u003c\/li\u003e\n\u003cli\u003eOutlet includes a 2 bolt welded flange with hardware included\u003c\/li\u003e\n\u003cli\u003eOverall length of 59 inches for direct fit installation\u003c\/li\u003e\n\u003cli\u003eIncludes two inlet gaskets; no outlet gasket included\u003c\/li\u003e\n\u003cli\u003eFederal \/ EPA direct-fit type catalytic converter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDirect Fit Converter Product Line Details\u003c\/h2\u003e\u003cp\u003eThe Direct Fit Converter line by AP Exhaust focuses on providing catalytic converters that match OEM specifications for a seamless replacement experience. This product line emphasizes exact fitment and compliance with emissions regulations, reducing installation time and ensuring proper function. The 645154 model is part of this line, tailored specifically for Chevrolet and GMC heavy-duty trucks requiring Federal and EPA compliant parts.\u003c\/p\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis catalytic converter features a stainless steel body that resists corrosion and withstands high temperatures common in exhaust systems. The ceramic substrate inside facilitates efficient conversion of harmful gases. Four O2 sensor ports allow for precise monitoring of exhaust gases, supporting engine management systems. The inlet side offers two flange options: a 3 bolt welded flange and a 3 bolt loose flange, providing flexibility during installation. The outlet side includes a 2 bolt welded flange with hardware, but no gasket is supplied for the outlet. The overall length of 59 inches ensures a direct fit for the specified truck models.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 3500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 3500 HD\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis catalytic converter is designed to address common exhaust system issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFailed or clogged catalytic converter causing poor emissions performance\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by faulty O2 sensor readings\u003c\/li\u003e\n\u003cli\u003eExcessive exhaust emissions failing state or federal inspections\u003c\/li\u003e\n\u003cli\u003eRusted or damaged converter body compromising exhaust flow\u003c\/li\u003e\n\u003cli\u003eNoise or rattling from broken internal substrate\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation requires removal of the existing catalytic converter and replacement with the AP Exhaust Direct Fit Converter 645154. The part includes two inlet gaskets and outlet hardware but does not include an outlet gasket, so sourcing one separately may be necessary. Ensure all O2 sensors are properly reinstalled in the four sensor ports to maintain accurate emissions monitoring. The dual flange inlet design allows for compatibility with different exhaust configurations on the Silverado and Sierra HD models.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eAP Exhaust manufactures this catalytic converter to meet Federal and EPA emissions standards, ensuring compliance and durability. The stainless steel construction and ceramic substrate are designed for long service life under heavy-duty conditions. Warranty details are provided by AP Exhaust and should be confirmed at the time of purchase.\u003c\/p\u003e","brand":"AP Exhaust","offers":[{"title":"Default Title","offer_id":52207651586229,"sku":"BBDL-645154","price":635.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AP_645154_Top.jpg?v=1775595353","url":"https:\/\/www.partcatalog.com\/products\/ap-exhaust-645154-catalytic-converter","provider":"PartCatalog","version":"1.0","type":"link"}