{"product_id":"elring-690-021-engine-cylinder-head-gasket","title":"Elring 690.021 Engine Cylinder Head Gasket","description":"\u003ch2\u003eEngine Cylinder Head Gasket Overview\u003c\/h2\u003e\u003cp\u003eElring 690.021 is an engine cylinder head gasket built with multilayer steel construction for a precise sealing surface. It is listed for select Chevrolet Express 2500, Silverado 1500, Silverado 2500, GMC Savana 2500, Savana 3500, and Sierra 1500 applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMultilayer steel (MLS) gasket design for consistent sealing performance.\u003c\/li\u003e\n\u003cli\u003e1.33 mm thickness for applications that require the specified compressed height.\u003c\/li\u003e\n\u003cli\u003e100.6 mm diameter to match the listed bore specification.\u003c\/li\u003e\n\u003cli\u003eFits select Chevrolet and GMC truck and van engine applications.\u003c\/li\u003e\n\u003cli\u003eElring part number 690.021 for catalog matching and service lookup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Elring head gasket is engineered around the listed thickness and diameter requirements, making it a direct service part for the specified engine applications. The MLS construction helps maintain sealing integrity at the cylinder head interface, where combustion pressure, coolant, and oil passages must remain separated. Part number 690.021 is also referenced in service catalogs alongside cross-reference numbers for the same application.\u003c\/p\u003e\u003cp\u003eCompatible vehicle coverage includes Fits 2014-2021 Chevrolet Silverado 1500, N\/A; Fits 2013 Chevrolet Silverado 1500, N\/A; Fits 2017 Chevrolet Silverado 2500, N\/A; Fits 2014-2021 GMC Sierra 1500, N\/A; Fits 2013 GMC Sierra 1500, N\/A; Fits 2018-2023 Chevrolet Express 2500, N\/A; Fits 2018-2023 GMC Savana 2500, N\/A; and Fits 2018-2023 GMC Savana 3500, N\/A. The Elring 690.021 designation helps confirm the correct gasket when matching engine service parts for Chevrolet Silverado and GMC Sierra platforms.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSealing combustion pressure between the cylinder head and engine block.\u003c\/li\u003e\n\u003cli\u003eSeparating coolant and oil passages at the head interface.\u003c\/li\u003e\n\u003cli\u003eReplacing a damaged or leaking head gasket during engine repair.\u003c\/li\u003e\n\u003cli\u003eRestoring proper sealing after cylinder head service or machining.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the engine code, bore size, and gasket thickness before installation. Clean and inspect the mating surfaces carefully, and confirm that the head and block meet service specifications. Follow the vehicle manufacturer’s torque sequence and tightening procedure during assembly. Use the listed fitment and part number 690.021 to confirm application before ordering.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eElring is a recognized sealing-system manufacturer, and this gasket uses MLS construction for application-specific engine sealing. Cross-reference part numbers include 12632968 and MAHLE 55351 for the same application.\u003c\/p\u003e","brand":"Elring","offers":[{"title":"Default Title","offer_id":53534309974197,"sku":"DTWD-690.021","price":54.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/EL_690021_Fro.jpg?v=1792134731","url":"https:\/\/www.partcatalog.com\/products\/elring-690-021-engine-cylinder-head-gasket","provider":"PartCatalog","version":"1.0","type":"link"}