{"product_id":"permatex-ultra-black-rtv-silicone-gasket-maker-9-5-oz-powerbead-oil-resistant-sensor-safe-sealant","title":"Permatex Ultra Black RTV Silicone Gasket Maker 9.5 oz PowerBead — Oil-Resistant, Sensor-Safe Sealant","description":"\u003cp\u003e\u003cstrong\u003ePermatex Ultra Black 85080 is a sensor-safe, oil-resistant RTV silicone gasket maker that cures quickly to form flexible, durable gaskets for powertrain and engine sealing applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you need a dependable gasket solution that bonds to oily surfaces and tolerates modern vehicle fluids and temperatures, this 9.5 oz PowerBead can delivers a professional-grade, OEM-specified silicone sealant. Formulated to meet dealership warranty requirements and engineered for high flexibility, Ultra Black replaces pre-formed gaskets on many engine and drivetrain components while providing long-term resistance to oil, transmission fluid, gear lube and coolants.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Ultra Black handle oily or contaminated surfaces?\u003c\/h3\u003e\n\u003cp\u003eUltra Black uses a patented adhesion system and a sensor-safe, low-odor formula to adhere to surfaces that may have residual oil. While best results come from cleaning and degreasing the joint, the product is designed to create reliable seals where residual contaminants remain.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePatented adhesion system improves bond to metal and high-tech plastics.\u003c\/li\u003e\n  \u003cli\u003eSensor-safe and non-corrosive chemistry avoids damage to nearby electronics or sensors.\u003c\/li\u003e\n  \u003cli\u003eLow odor makes it easier to work with in enclosed garages.\u003c\/li\u003e\n  \u003cli\u003eEliminates need for some pre-formed gaskets on compatible joints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat temperature range and fluids can this RTV silicone resist?\u003c\/h3\u003e\n\u003cp\u003eUltra Black withstands a wide operating range, from extreme cold to intermittent high heat, and resists common automotive fluids. That makes it suitable for many engine and drivetrain sealing points that encounter thermal cycling and chemical exposure.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTemperature range: -65°F to 500°F (-54°C to 260°C) intermittent.\u003c\/li\u003e\n  \u003cli\u003eResistant to engine oil, transmission fluid, gear lube and coolant.\u003c\/li\u003e\n  \u003cli\u003eMaintains flexibility to prevent cracking under vibration and thermal expansion.\u003c\/li\u003e\n  \u003cli\u003eSuitable for applications exposed to shop fluids and occasional chemical contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich parts and repairs is this gasket maker best suited for?\u003c\/h3\u003e\n\u003cp\u003ePermatex Ultra Black is formulated for common engine and drivetrain joints where a formed gasket can be replaced by a reliable silicone seal. Its flexibility and fluid resistance make it a practical choice for both routine maintenance and component replacement jobs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eValve covers and oil pans — creates leak-resistant seals while tolerating oil exposure.\u003c\/li\u003e\n  \u003cli\u003eIntake manifold end seals and timing covers — bonds to diverse materials including aluminum.\u003c\/li\u003e\n  \u003cli\u003eDifferential covers and other drivetrain housings — resists gear lube and vibration.\u003c\/li\u003e\n  \u003cli\u003eWorks with newer component materials such as bimetal alloys and advanced plastics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this product support warranty and dealership requirements?\u003c\/h3\u003e\n\u003cp\u003eUltra Black meets OE silicone gasket performance specifications and is OEM specified for applications where dealer warranty compliance is required. Using an OEM-specified RTV gasket maker helps preserve extended drivetrain warranties when a formed gasket is replaced or unavailable.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFormulated to meet performance specs of original equipment silicone gaskets.\u003c\/li\u003e\n  \u003cli\u003eOEM-specified for warranty-compliant repairs and service applications.\u003c\/li\u003e\n  \u003cli\u003eOffers excellent torque retention for bolted flange joints.\u003c\/li\u003e\n  \u003cli\u003eSensor-safe chemistry avoids negative interactions with vehicle electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? Professional mechanics, service shops, restoration specialists and experienced DIYers who need a robust, engine- and drivetrain-safe gasket maker will find Permatex Ultra Black 85080 useful. It’s aimed at anyone repairing valve covers, oil pans, timing covers, intake manifold ends or differential housings — particularly where OEM-level performance, warranty compliance and resistance to modern fluids and temperatures are required. For best results, follow surface prep recommendations and manufacturer instructions when replacing gaskets or sealing joints.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Permatex Ultra Black safe for sensors and electronics?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the formula is sensor-safe, non-corrosive and designed to avoid damaging nearby vehicle sensors and electronics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this instead of a pre-formed gasket?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Often, yes; it replaces many pre-formed gaskets on valve covers, oil pans and similar joints when applied per instructions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Permatex","offers":[{"title":"Default Title","offer_id":48086898213022,"sku":"B000HBGI1M","price":33.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/permatex-ultra-black-front-can_da4489dd-48d2-46b5-8b88-b643aa40e285.jpg?v=1785909336","url":"https:\/\/northtrailauto.ca\/products\/permatex-ultra-black-rtv-silicone-gasket-maker-9-5-oz-powerbead-oil-resistant-sensor-safe-sealant","provider":"North Trail Auto","version":"1.0","type":"link"}