{"product_id":"tuolauthon-90-silicone-elbow-reducer-coupler-3-to-4-id-4-ply-5mm-wall-high-temp","title":"TuoLauthon 90° Silicone Elbow Reducer Coupler 3\" to 4\" ID — 4‑Ply, 5mm Wall, High‑Temp","description":"\u003cstrong\u003eThe TuoLauthon 90 Degree Elbow ID 3 to 4 inch Silicone Reducer Coupler Hose is a high-temperature, 4-ply silicone reducer designed to connect 3\" and 4\" pipes with a compact 90° elbow profile.\u003c\/strong\u003e\n\n\u003cp\u003eThis reinforced silicone elbow couples different diameter hoses or pipes where space is limited and heat, ozone, or UV exposure is a concern. Built with four silicone plies and supplied stainless-steel clamps, this reducer accommodates ID sizes from 3 inches (76 mm) to 4 inches (102 mm), offers a durable 5 mm wall thickness, and works across a wide temperature range for marine, industrial, and automotive applications.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this 90° silicone reducer handle heat and harsh environments?\u003c\/h3\u003e\n\u003cp\u003eThe coupler is constructed from 4-ply silicone that resists extreme temperatures and environmental degradation. It performs reliably in both hot engine bays and outdoor marine installations without cracking from ozone or sunlight exposure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTemperature range: -76°F (-60°C) to +500°F (+260°C)\u003c\/li\u003e\n  \u003cli\u003eUV and ozone resistant for outdoor use\u003c\/li\u003e\n  \u003cli\u003eBursting pressure rated at 2 MPa for robust performance\u003c\/li\u003e\n  \u003cli\u003e4-ply silicone for improved durability and flexibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this reducer fit my hoses and how is it installed?\u003c\/h3\u003e\n\u003cp\u003eThe sleeve is a universal reducer sized to bridge 3\" and 4\" internal diameters with a 102 mm leg length for easy connection. Two stainless steel hose clamps are included to secure each end tightly and prevent leaks in pressurized or vacuum systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameter: 76 mm (3\") to 102 mm (4\")\u003c\/li\u003e\n  \u003cli\u003eLeg length: 102 mm for ample overlap on fittings\u003c\/li\u003e\n  \u003cli\u003eIncludes 2 stainless-steel clamps for a secure seal\u003c\/li\u003e\n  \u003cli\u003e5 mm wall thickness balances strength with flexibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the 90° elbow shape help in tight installations?\u003c\/h3\u003e\n\u003cp\u003eThe 90° bend reduces the need for additional fittings and simplifies routing where space constraints or sharp turns exist. Using a single molded elbow maintains airflow or fluid flow characteristics better than multiple straight couplers and separate joints.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElbow shape conserves space in compact assemblies\u003c\/li\u003e\n  \u003cli\u003eMolded form reduces leak points versus multiple fittings\u003c\/li\u003e\n  \u003cli\u003eImproves routing for coolant, intake, exhaust, or ventilation lines\u003c\/li\u003e\n  \u003cli\u003eSuitable for confined engine bays, hull spaces, or machinery compartments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance and lifespan can I expect from this silicone coupler?\u003c\/h3\u003e\n\u003cp\u003eSilicone’s resistance to temperature cycling and ozone extends the working life compared with ordinary rubber hoses. Periodic inspection of clamps and the coupler body is recommended, especially in high-vibration or chemically aggressive environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePeriodic clamp retorque advised after initial heat cycles\u003c\/li\u003e\n  \u003cli\u003eInspect for cuts or abrasion in high-contact installations\u003c\/li\u003e\n  \u003cli\u003eReplace if distortion or permanent deformation occurs\u003c\/li\u003e\n  \u003cli\u003eTypical service life outperforms standard elastomers under the same conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This TuoLauthon silicone 90° reducer suits mechanics, boat owners, fabricators, and industrial technicians who need a compact, heat-resistant transition between 3\" and 4\" hoses. It’s ideal when a durable, UV- and ozone-resistant elbow is required for coolant, intake, ventilation, or other fluid routing in tight spaces.\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: What diameters does this reducer fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits inner diameters from 3 inches (76 mm) up to 4 inches (102 mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What temperature range can the silicone handle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Operational range is -76°F (-60°C) to +500°F (+260°C).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TuoLauthon","offers":[{"title":"Default Title","offer_id":55164076982615,"sku":"B0BZJHFXGK","price":34.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/tuolauthon-front-packaging-90deg-elbow.jpg?v=1790349802","url":"https:\/\/britishgarage.co.uk\/products\/tuolauthon-90-silicone-elbow-reducer-coupler-3-to-4-id-4-ply-5mm-wall-high-temp","provider":"British Garage","version":"1.0","type":"link"}