Dometic Patio Awning Roller Tube - 20'6" Aluminum - Part# 3108346.246

DometicSKU: 3108346.246
Added to catalog: March 10, 2026
Last product update: June 6, 2026 at 7:45 AM

Sale price$494.99 Regular price$787.03
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The Dometic patio awning roller tube is the core component that stores and extends your RV's retractable awning fabric. This 20'6" aluminum tube is designed for Dometic power and manual awning systems, providing smooth operation and reliable support for your awning fabric. If your awning won't roll up smoothly, makes grinding noises, or the fabric won't extend fully, a worn or damaged roller tube is often the culprit.

Key Features

  • 20 feet 6 inches total length for full-size RV awning coverage
  • Lightweight aluminum construction resists corrosion and rust
  • Compatible with Dometic power awning motors and manual crank systems
  • Precision-engineered for smooth fabric rolling and unrolling
  • Direct replacement for original equipment on qualifying Dometic awnings
  • Durable finish withstands UV exposure and outdoor weather conditions

Technical Specifications

Specification Details
Length 20 feet 6 inches (20'6")
Material Aluminum
Part Number 3108346.246
Manufacturer Dometic
Application Dometic Patio Awning Systems

Frequently Asked Questions

How do I know if my roller tube needs replacement?
Signs include awning fabric that won't roll smoothly, grinding or squeaking noises during operation, visible dents or bending in the tube, or fabric that bunches unevenly when retracting. If your awning motor runs but the fabric doesn't move, the roller tube may be seized or damaged.
Will this tube fit my Dometic awning?
This 20'6" tube is designed for full-size RV awnings. Verify your current awning length before ordering—Dometic makes roller tubes in various lengths including 16', 18', and 20'6". Check your awning model number or measure your existing tube to confirm compatibility.
Can I install this myself, or do I need professional help?
Roller tube replacement typically requires removing the awning arms, unrolling the fabric, and sliding out the old tube. Most RV owners can handle this with basic tools, but if you're uncomfortable working at height or with your awning system, a qualified RV technician can complete the installation.

Why Choose Elkhart RV Parts

We specialize in hard-to-find Dometic replacement parts that keep your RV systems running smoothly. Shipping directly from Elkhart, Indiana—the RV capital of the world—we stock genuine OEM Dometic components and provide expert support to help you identify the exact part you need. When you order from us, you're getting authentic Dometic quality backed by our commitment to RV owners.

100% Authentic OEM Parts

Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.

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