Dometic SlideTopper Roller Tube Kit - 2.5" x 318" - Part# 3311242.318

DometicSKU: 3311242.318
Added to catalog: March 10, 2026
Last product update: June 6, 2026 at 7:40 AM

Sale price$518.99 Regular price$825.19
| Found it cheaper? Get an answer in seconds.
FREE Delivery Estimate June 21 – June 29
1-Hour Cancellation Window

1-Hour Cancellation Window

You'll have 1 hour after placing your order to update your shipping address or cancel completely.

After that, we begin coordinating with our vendors to fulfill your order — at that point, cancellations and address changes usually aren't possible.

If you're unsure about anything, please reach out before ordering or cancel within the window.

Action Required: Please read & accept before ordering

The Dometic SlideTopper Roller Tube Kit is the replacement roller mechanism for your slide-out awning system. If your awning won't extend or retract smoothly, or if you notice the roller tube is damaged or worn, this kit restores full functionality to your Dometic SlideTopper awning.

Key Features

  • 2.5" diameter roller tube designed for smooth slide-out awning operation
  • 318" length fits standard Dometic SlideTopper installations
  • Heavy-duty construction withstands repeated extension and retraction cycles
  • Direct replacement for worn or damaged original tubes
  • Genuine OEM Dometic part ensures compatibility and reliability
  • Includes all necessary hardware for installation

Technical Specifications

Part Number 3311242.318
Tube Diameter 2.5 inches
Tube Length 318 inches
Manufacturer Dometic
Product Type SlideTopper Roller Tube Kit
Material Steel with protective coating

Frequently Asked Questions

Q: How do I know if I need to replace my roller tube?
A: Signs include difficulty extending or retracting your awning, visible dents or damage to the tube, or grinding noises during operation. If your awning moves unevenly or gets stuck, the roller tube may be bent or worn.

Q: Is this a direct bolt-on replacement?
A: Yes, this is a genuine OEM Dometic part designed to fit standard SlideTopper systems. However, we recommend consulting your RV's manual or contacting our support team to confirm compatibility with your specific model year.

Q: What RV models use the 318" roller tube?
A: The 318" length is common in mid-size travel trailers and Class A motorhomes with standard slide-out awnings. Verify your current tube length before ordering to ensure proper fit.

Why Choose Elkhart RV Parts

We specialize in hard-to-find Dometic RV replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM Dometic stock, backed by our expert support team. When you need the exact replacement for your SlideTopper system, we have it in stock and ready to ship.

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.

You may also like

Recently viewed