{"product_id":"aluminum-er4943-filler-rod","title":"Aluminum ER4943 Filler Rod","description":"\u003ch2 data-start=\"95\" data-end=\"136\"\u003eAlucon ER4943 Aluminum TIG Welding Rod\u003c\/h2\u003e\n\u003cp data-start=\"138\" data-end=\"443\"\u003eER4943 is a high-performance silicon-based aluminum filler engineered for stronger welds and improved heat stability compared to ER4043 and ER5356. Designed for 6xxx series aluminum, it delivers excellent crack resistance, smooth arc control, and reliable strength in heat-exposed automotive applications.\u003c\/p\u003e\n\u003cp data-start=\"445\" data-end=\"663\"\u003eUnlike ER5356 (recommended under ~150°F), ER4943 maintains mechanical properties more effectively at elevated temperatures up to ~200–250°F, making it ideal for components exposed to sustained heat and thermal cycling.\u003c\/p\u003e\n\u003ch3 data-start=\"665\" data-end=\"681\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"683\" data-end=\"910\"\u003e• Higher strength than ER4043\u003cbr data-start=\"712\" data-end=\"715\"\u003e• Better elevated-temperature performance than ER5356\u003cbr data-start=\"768\" data-end=\"771\"\u003e• Excellent crack resistance on 6xxx aluminum\u003cbr data-start=\"816\" data-end=\"819\"\u003e• Smooth arc characteristics and clean weld flow\u003cbr data-start=\"867\" data-end=\"870\"\u003e• Low shrinkage and good machinability\u003c\/p\u003e\n\u003ch3 data-start=\"912\" data-end=\"934\"\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp data-start=\"936\" data-end=\"1076\"\u003e✔ Intercooler and coolant tanks\u003cbr data-start=\"967\" data-end=\"970\"\u003e✔ Radiators and heat exchangers\u003cbr data-start=\"1001\" data-end=\"1004\"\u003e✔ Turbo piping and intake systems\u003cbr data-start=\"1037\" data-end=\"1040\"\u003e✔ Heat-exposed aluminum components\u003c\/p\u003e\n\u003cp data-start=\"1078\" data-end=\"1214\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eFor cosmetic or anodized applications, ER5356 may be preferred. For heat stability and performance builds, ER4943 is the smarter choice.\u003c\/p\u003e","brand":"Ticon Industries","offers":[{"title":"3\/32\" x 39\" - 1 Lb","offer_id":58769935106351,"sku":"310-00332-4001","price":27.99,"currency_code":"USD","in_stock":true},{"title":"1\/8\" x 39\" - 1 Lb","offer_id":58769935139119,"sku":"310-00108-4001","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/9396\/7663\/files\/310-00332-00011small.png?v=1793652074","url":"https:\/\/alucon-usa.myshopify.com\/products\/aluminum-er4943-filler-rod","provider":"Ticon Industries Inc.","version":"1.0","type":"link"}