{"product_id":"walker-31591-exhaust-pipe-flange-gasket","title":"Walker 31591 Exhaust Pipe Flange Gasket","description":"\u003ch2\u003eOverview of Walker Exhaust Pipe Flange Gasket 31591\u003c\/h2\u003e\u003cp\u003eThe Walker 31591 exhaust pipe flange gasket is engineered for reliable sealing in heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Sierra 2500 HD and Silverado 3500 HD, this gasket ensures a secure exhaust connection to prevent leaks and maintain optimal system performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet and GMC Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 HD models\u003c\/li\u003e\n\u003cli\u003e4-bolt gasket type for secure flange sealing\u003c\/li\u003e\n\u003cli\u003eConstructed from high temperature graphite with a steel core and metal fire ring\u003c\/li\u003e\n\u003cli\u003eBolt hole center distances: 4.75 inches and 3.25 inches\u003c\/li\u003e\n\u003cli\u003eBolt hole diameter of 0.5 inches for precise fitment\u003c\/li\u003e\n\u003cli\u003eThickness of 0.051 inches for effective sealing\u003c\/li\u003e\n\u003cli\u003ePort dimensions: 3.5 inches length and 3.5 inches width\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Walker 31591 exhaust pipe flange gasket is designed to provide a durable and heat-resistant seal between exhaust pipe flanges. Its high temperature graphite material combined with a steel core and metal fire ring offers enhanced durability and resistance to exhaust gases and thermal expansion. The 4-bolt design with bolt hole centers measuring 4.75 by 3.25 inches and a 0.5-inch bolt hole diameter ensures a precise and secure fit for exhaust systems on Chevrolet and GMC heavy-duty trucks. The gasket thickness of 0.051 inches balances sealing effectiveness with ease of installation, while the 3.5 by 3.5 inch port dimensions match OEM specifications for proper exhaust flow.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents exhaust leaks caused by worn or damaged gaskets\u003c\/li\u003e\n\u003cli\u003eEliminates exhaust noise from flange gaps\u003c\/li\u003e\n\u003cli\u003eResists degradation from high temperature and corrosive exhaust gases\u003c\/li\u003e\n\u003cli\u003eMaintains proper exhaust backpressure for engine performance\u003c\/li\u003e\n\u003cli\u003ePrevents harmful exhaust fumes from entering the vehicle cabin\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure mating flange surfaces are clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eUse the correct torque specifications for the 4-bolt flange to avoid gasket damage\u003c\/li\u003e\n\u003cli\u003eInspect bolts and replace if corroded or damaged to maintain proper sealing pressure\u003c\/li\u003e\n\u003cli\u003eCheck alignment of bolt holes (4.75 and 3.25 inch centers) for proper fit\u003c\/li\u003e\n\u003cli\u003eReplace gasket whenever exhaust components are disassembled to ensure a reliable seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker exhaust gaskets are manufactured to meet or exceed OEM standards for durability and performance. The use of high temperature graphite with a steel core and metal fire ring provides long-lasting resistance to heat and corrosion. While specific warranty details may vary, Walker products typically come with a limited warranty against defects in materials and workmanship, supporting dependable service life in Chevrolet and GMC Sierra and Silverado heavy-duty trucks.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":45283586408629,"sku":"BDCN-31591","price":18.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_31591_Fro.jpg?v=1775142079","url":"https:\/\/www.partcatalog.com\/products\/walker-31591-exhaust-pipe-flange-gasket","provider":"PartCatalog","version":"1.0","type":"link"}