{"product_id":"bekelan-4-id-silicone-coupler-3-long-4-ply-high-temp-straight-hose-150-psi-rated","title":"bekelan 4\" ID Silicone Coupler 3\" Long — 4-ply High-Temp Straight Hose, 150 PSI Rated","description":"\u003cp\u003e\u003cstrong\u003eBekelan 4-inch ID silicone coupler is a 3-inch long, 4-ply reinforced high-temperature straight hose designed to join 4\" intercooler, intake, or turbo charge pipes while resisting wide temperature swings and high pressures.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis straight silicone coupler from bekelan pairs a reinforced four-ply construction with stainless T-bolt clamps to create a durable, flexible connection for turbocharged and supercharged intake systems, intercooler piping, and many industrial air or coolant lines. Built to withstand extreme temperatures from -76°F to 500°F and rated for working pressures up to 150 PSI, the coupler provides a reliable flexible joint where rigid piping would otherwise transmit vibration or stress.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this coupler hold up under heat and pressure?\u003c\/h3\u003e\n\u003cp\u003eThe bekelan coupler uses high-temp silicone inner and outer layers with polyester reinforcement to maintain integrity across a broad operating range. It’s engineered for continuous use in demanding intake and intercooler environments where temperature cycling and pressurization occur.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated operating temperature: -76°F (-60°C) to 500°F (+260°C)\u003c\/li\u003e\n  \u003cli\u003eWorking pressure range: 43.5–150 PSI (0.3–1 MPa)\u003c\/li\u003e\n  \u003cli\u003eBurst pressure tested to 290 PSI (2 MPa)\u003c\/li\u003e\n  \u003cli\u003e4-ply reinforcement and 5 mm wall thickness for strength and shape retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my piping and how do I choose the right size?\u003c\/h3\u003e\n\u003cp\u003eThe coupler has a 4.0\" (102 mm) inner diameter and an approximate outer diameter of 4.4\" to accommodate typical 4\" OD charge pipes. Its 3\" (76 mm) overall length offers a short, straight join suitable for tight spaces or where minimal sleeve length is preferred.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameter (ID): 4.0 inches (102 mm)\u003c\/li\u003e\n  \u003cli\u003eOuter diameter (OD): ~4.4 inches\u003c\/li\u003e\n  \u003cli\u003eOverall length: 3 inches (76 mm)\u003c\/li\u003e\n  \u003cli\u003eIncludes two stainless T-bolt clamps—measure mating pipe OD before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat applications are appropriate and what should I avoid?\u003c\/h3\u003e\n\u003cp\u003eUse this bekelan silicone coupler for air and coolant paths in automotive and industrial setups: turbo charge piping, supercharger inlets, intercooler joins, and non-aggressive fluid lines. It is not formulated for fuel or oil transfer—do not use where direct contact with gasoline, diesel, or engine oil is expected.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuitable media: air, water, coolant, antifreeze, steam, weak acids\/alkalis (verify compatibility)\u003c\/li\u003e\n  \u003cli\u003eTypical uses: turbo and supercharger plumbing, intercooler and intake piping, industrial air lines\u003c\/li\u003e\n  \u003cli\u003eNot for: fuel or oil transfer\u003c\/li\u003e\n  \u003cli\u003eRecommended to check pressure, temperature and chemical specs for your system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The bekelan 4\" straight silicone coupler is aimed at DIY mechanics, tuners, performance shops and industrial technicians who need a short, heavy-duty flexible connector for 4\" piping. It suits owners modifying turbo or supercharged setups, fabricators assembling custom intake or intercooler runs, and maintenance staff replacing worn couplers in high-temperature or pressurized air\/coolant circuits. If you need a compact, reinforced silicone sleeve that includes stainless T-bolt clamps and performs across extreme temperature ranges, this coupler is a practical choice—just confirm pipe diameters and media compatibility before installation.\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: Can this coupler be used for fuel lines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This silicone coupler is not suitable for fuel or oil transfer; use it only for air, coolant and compatible fluids.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are clamps included with the coupler?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package includes one 4\" straight silicone coupler and two stainless steel T-bolt clamps.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"bekelan","offers":[{"title":"Default Title","offer_id":67594216210617,"sku":"B0F3JLXWCT","price":54.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/bekelan-front-packaging-coupler.jpg?v=1790582468","url":"https:\/\/redleafauto.ca\/products\/bekelan-4-id-silicone-coupler-3-long-4-ply-high-temp-straight-hose-150-psi-rated","provider":"Redleaf Auto","version":"1.0","type":"link"}