{"product_id":"elring-821-128-exhaust-pipe-flange-gasket","title":"Elring 821.128 Exhaust Pipe Flange Gasket","description":"\u003ch2\u003eElring Exhaust Pipe Flange Gasket 821.128\u003c\/h2\u003e\u003cp\u003eElring 821.128 is a fibre composite exhaust pipe flange gasket built for sealing the joint between exhaust pipe flanges. With a 42.3 mm inner diameter, 52 mm outer diameter, and 15 mm thickness, it provides a precise sealing surface for exhaust service work on applications such as Mercedes-Benz exhaust repairs and related flange connections.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFibre composite gasket design for exhaust flange sealing\u003c\/li\u003e\n\u003cli\u003eInner diameter: 42.3 mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 52 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 15 mm\u003c\/li\u003e\n\u003cli\u003eElring part number 821.128 for catalog lookup and ordering\u003c\/li\u003e\n\u003cli\u003eCross-reference part numbers include 70-10474-10 and 621 492 00 81\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Elring exhaust pipe flange gasket is made to seal a flanged exhaust connection where heat, vibration, and exhaust gas pressure can affect joint integrity. The fibre composite construction supports a stable seal at the flange interface, while the listed dimensions help confirm proper sizing before installation. For Mercedes-Benz exhaust service and other flange-based exhaust repairs, Elring 821.128 offers a direct replacement reference for the specified application.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExhaust leaks at a flange connection\u003c\/li\u003e\n\u003cli\u003eNoise from a leaking exhaust joint\u003c\/li\u003e\n\u003cli\u003eSoot marks around the exhaust pipe flange\u003c\/li\u003e\n\u003cli\u003eLoss of sealing after gasket wear or heat cycling\u003c\/li\u003e\n\u003cli\u003eService issues during exhaust pipe removal and reassembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eConfirm flange diameter and gasket thickness before installation. Clean both mating surfaces thoroughly so the new gasket seats evenly, and inspect the flange for warping, corrosion, or damage that could affect sealing. Use the correct torque sequence for the exhaust fasteners and verify the joint after the engine reaches operating temperature.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eElring is a recognized OE-focused sealing brand, and part number 821.128 is specified with exact dimensional data to support accurate exhaust service selection. Verify the part number and measurements against the vehicle application before installation.\u003c\/p\u003e","brand":"Elring","offers":[{"title":"Default Title","offer_id":52958131716277,"sku":"DTWD-821.128","price":30.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/EL_821128_Fro.jpg?v=1786425490","url":"https:\/\/www.partcatalog.com\/products\/elring-821-128-exhaust-pipe-flange-gasket","provider":"PartCatalog","version":"1.0","type":"link"}