{"product_id":"dometic-patio-awning-21-replacement-aluminum-roller-tube","title":"Dometic Patio Awning Roller Tube - 21ft Aluminum - Part# 3108346.021","description":"\u003cp\u003eThe Dometic patio awning roller tube is the core component that holds and extends your RV's retractable awning fabric. This 21-foot aluminum roller tube is designed for Dometic power and manual awnings, providing the structural support needed to deploy and retract your awning smoothly and reliably. If your awning won't roll out evenly, makes grinding noises, or the fabric won't stay extended, a worn or damaged roller tube is often the culprit.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e21-foot length fits standard RV patio awning installations\u003c\/li\u003e\n\u003cli\u003eDurable aluminum construction resists corrosion and UV damage\u003c\/li\u003e\n\u003cli\u003eCompatible with Dometic power and manual awning systems\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered for smooth fabric roll and unroll operation\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement—no modifications needed\u003c\/li\u003e\n\u003cli\u003eLightweight design reduces strain on awning motor and brackets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"table table-bordered table-sm\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e21 feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e3108346.021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePatio Awning Roller Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eDometic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my roller tube needs replacement?\u003c\/strong\u003e\u003cbr\u003eA: Signs include the awning fabric not rolling smoothly, uneven extension, grinding or squeaking noises during operation, visible dents or bends in the tube, or fabric that won't stay fully extended. A damaged roller tube can also cause the awning motor to work harder and fail prematurely.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Will this 21-foot tube fit my RV awning?\u003c\/strong\u003e\u003cbr\u003eA: This tube is designed for standard 21-foot Dometic patio awnings. Measure your current awning width or check your RV documentation to confirm the correct size. Dometic makes roller tubes in various lengths, so it's important to match your exact model.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is installation difficult, or do I need a technician?\u003c\/strong\u003e\u003cbr\u003eA: Roller tube replacement typically requires removing the awning arms, unbolting the old tube, and installing the new one. While some RV owners handle this themselves, professional installation is recommended if you're unfamiliar with awning systems, as improper installation can damage the fabric or motor.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Elkhart RV Parts\u003c\/h3\u003e\n\u003cp\u003eWe specialize in hard-to-find Dometic replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. This part is a genuine OEM Dometic component backed by our expert support team. We understand RV owners need reliable parts fast, and we stock the exact replacements you need to keep your awning working season after season.\u003c\/p\u003e","brand":"Dometic","offers":[{"title":"Default Title","offer_id":48316268740760,"sku":"3108346.021","price":456.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/elkhartrvparts.com\/products\/dometic-patio-awning-21-replacement-aluminum-roller-tube","provider":"Elkhart RV Parts","version":"1.0","type":"link"}