{"product_id":"dorman-903-305-exhaust-clamp-converter-to-muffler","title":"Dorman 903-305 Exhaust Clamp - Converter To Muffler","description":"\u003ch2\u003eDorman 903-305 Exhaust Clamp for OE-Style Repair\u003c\/h2\u003e\u003cp\u003eDorman 903-305 is a standard replacement exhaust clamp built to match the function of the original equipment clamp on specified vehicles. It uses an aluminum construction with a natural finish and V-band clamping design to help maintain a secure connection between exhaust components.\u003c\/p\u003e\u003cp\u003eCompatible with select Cadillac Escalade, Chevrolet Silverado 1500, GMC Sierra 1500, and Yukon applications, this clamp supports converter-to-muffler exhaust connections where a 3.50 in. clamp is specified. The Dorman 903-305 is a direct-fit exhaust hardware solution for repair work that calls for a specific OE-style clamp design.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOE-style exhaust clamp for specified vehicle applications\u003c\/li\u003e\n\u003cli\u003eAluminum construction with natural finish\u003c\/li\u003e\n\u003cli\u003eV-band clamping design for secure exhaust joint retention\u003c\/li\u003e\n\u003cli\u003eSpecific fitment for converter-to-muffler locations\u003c\/li\u003e\n\u003cli\u003eMaximum diameter: 3.78 in.\u003c\/li\u003e\n\u003cli\u003eThread diameter: 0.125 in. with 70 mm thread length\u003c\/li\u003e\n\u003cli\u003eCross-reference part number: 20779890\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis exhaust clamp is engineered for vehicles that require a 3.50 in. clamp at the converter-to-muffler connection. It is a direct replacement for the original equipment style used on applications such as 2011-2021 Cadillac Escalade, 2011-2020 Chevrolet Silverado 1500, and 2011-2021 GMC Yukon. The V-band design helps create a tight, serviceable connection between exhaust system sections while the aluminum material supports corrosion resistance in everyday exhaust service.\u003c\/p\u003e\u003cp\u003eDorman 903-305 is a practical choice for exhaust repair on Cadillac Escalade, Chevrolet Silverado 1500, and GMC Sierra 1500 platforms where the factory clamp design and dimensions must be matched. Part number 903-305 also cross-references 20779890 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLoose exhaust connections at the converter-to-muffler joint\u003c\/li\u003e\n\u003cli\u003eExhaust leaks caused by a worn or damaged clamp\u003c\/li\u003e\n\u003cli\u003eService issues when the original clamp no longer holds proper tension\u003c\/li\u003e\n\u003cli\u003eFitment problems when a specific V-band clamp design is required\u003c\/li\u003e\n\u003cli\u003eReplacement needs for OE-style exhaust hardware on listed GM and Cadillac vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s exhaust connection size and clamp style before installation. This part is listed for converter-to-muffler positions only and is specific to the applications shown. Confirm the 3.50 in. clamp requirement and inspect mating exhaust surfaces for wear, distortion, or damage before securing the joint.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this clamp from quality materials for reliability and OE-style function. It is a standard replacement exhaust hardware part designed for specified fitment and consistent service use.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 2011-2021 Cadillac Escalade, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2012-2021 Cadillac Escalade ESV, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2018-2021 Chevrolet Tahoe, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2011-2021 GMC Sierra 1500, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2011-2021 GMC Yukon, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2015-2021 GMC Yukon XL, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2014-2020 Chevrolet Cheyenne, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2011-2020 Chevrolet Silverado 1500, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2013-2020 GMC Sierra, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2016-2019 Chevrolet Silverado 3500 HD, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2011-2014 GMC Yukon XL 1500, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2011-2013 Cadillac Escalade EXT, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2009-2013 Chevrolet Suburban 2500, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2009-2013 GMC Yukon XL 2500, converter to muffler\u003c\/li\u003e\n\u003cli\u003eFits 2009 Hummer H2, converter to muffler\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52787925680309,"sku":"BKKY-903-305","price":51.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_903305_Fro.jpg?v=1783752641","url":"https:\/\/www.partcatalog.com\/products\/dorman-903-305-exhaust-clamp-converter-to-muffler","provider":"PartCatalog","version":"1.0","type":"link"}