{"product_id":"gasket-aluminum-exhaust-header-1991-nissan-sentra","title":"1991 Nissan Sentra Aluminum Exhaust Header Gasket","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e1991 Nissan Sentra Aluminum Exhaust Header Gasket\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eAluminum header gasket engineered for the 1991 Sentra exhaust manifold.\u003c\/strong\u003e Resists thermal cycling and exhaust gas erosion at the manifold-to-head interface. Direct replacement for OEM gasket wear or failure.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Ships from FL Warehouse\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ In-House Quality Check\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Direct-from-Warehouse\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eKey Features\u003c\/h6\u003e\n\u003cdiv class=\"design-features\"\u003e\u003cul class=\"feature-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum construction\u003c\/strong\u003e - Withstands repeated heat cycles without warping or degrading at the manifold seal point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM gasket replacement\u003c\/strong\u003e - Restores factory seal without modification to mounting surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle gasket unit\u003c\/strong\u003e - Complete gasket assembly for the header-to-cylinder head joint.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single gasket assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhats Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eAluminum exhaust header gasket\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch6 class=\"section-title\"\u003eFrequently Asked Questions\u003c\/h6\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to clean the manifold and cylinder head surfaces before installing this gasket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Scrape away old gasket material and carbon buildup from both the manifold flange and cylinder head surface. A clean, flat seating surface ensures the new gasket seals properly and prevents exhaust leaks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat torque spec should I use when bolting the manifold back down?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRefer to your vehicle's service manual for the correct manifold bolt torque sequence and final spec. Over-tightening can crush the aluminum gasket; under-tightening will cause leaks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eCan I reuse the old manifold bolts, or do I need new ones?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManifold bolts are typically reusable if they're not stripped or damaged. Inspect threads and bolt heads before reinstalling. If any bolt spins without catching, replace it to ensure a tight, even clamp load across the gasket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":45873561698538,"sku":"K2-4477-NIS-006-TSARK","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/GKT-A-HD-NS9016L.jpg?v=1772738953","url":"https:\/\/www.k2-industries.com\/en-cr\/products\/gasket-aluminum-exhaust-header-1991-nissan-sentra","provider":"K2 Industries","version":"1.0","type":"link"}