Replacing a worn slideout seal is one of those RV jobs that can't wait. If your slideout is letting in dust, drafts, or water, you need a seal kit that matches what's already there. Two combo kits are worth comparing for your RV camper systems accessories repair: the Combo RV Slide Out Seal and the 2-in-1 RV Slide Out Seal. Both combine a D-seal with a base seal and come in black. In this design, the D-seal slides onto the base track, which is a common arrangement on many slideout systems. And because the two kits are so close, the choice often comes down to which title you want on your order.
Quick Verdict
The Combo RV Slide Out Seal is the more economical pick at $63.99. It pairs the same kit contents as the 2-in-1, sells for $2 less, and doesn't sacrifice anything in the bundle. The $2 gap is the only real difference in the order itself, since the components and finish are the same. Choose the 2-in-1 only if you prefer the "2 in 1" name on your order.
Comparison
| Product | Price | Components | Length | Color |
|---|---|---|---|---|
| Combo RV Slide Out Seal | USD 63.99 | 018-312-EKD + 018-341 EK | 35 ft | Black |
| 2-in-1 RV Slide Out Seal | USD 65.99 | 018-312-EKD + 018-341 EK | 35 ft | Black |
Where Each Product Wins
- The Combo RV Slide Out Seal wins if you want a shorter product name that still identifies both part numbers.
- The 2-in-1 RV Slide Out Seal wins if you want the kit's combined nature spelled out in the title as "2 in 1."
Product Notes
Combo RV Slide Out Seal 018-341 EK 018-312-EKD Fits RV Camper Slideout System
Ordering the Combo RV Slide Out Seal gets you the 018-312-EKD D-seal and the 018-341 EK base together, so you don't have to source the two pieces separately. That's a practical convenience when you're already in the middle of a slideout repair and want to avoid a second order. The installation follows the usual slideout-seal process: pull the tape off the EK seal base, slide the D-seal onto the track, and secure the rubber. It's a straightforward way to refresh a worn seal, and the after-sales option offers money back or replacement if something isn't right. Before completing your order, compare the part numbers and photos with the seal currently on your slideout. That's the one step that prevents ordering the wrong configuration.
018-312-EKD 018-341-EK 2 in 1 RV Slide Out Seal For RV Camper Slideout System US
The 2-in-1 RV Slide Out Seal uses the same kit contents as the Combo version, so you're getting the same installation steps. The product name, like the Combo version, includes both part numbers, which makes it easy to match against your old seal. The reason to pick this one is the title: it explicitly calls the kit "2 in 1," which may be helpful if you're matching an order to a note or a parts list. The limitation is that the longer title with "US" at the end doesn't add a functional difference, so you need to make sure the part numbers and photos match your seal before purchase. If they match, it performs the same as the Combo.
Final Choice by Use Case
For a straightforward replacement, the Combo RV Slide Out Seal is the easy call. For a title that spells out the dual-piece nature of the kit, the 2-in-1 RV Slide Out Seal does the same job. Confirm the fit before ordering either way. Both kits are new and carry the same after-sales option, so the final decision really comes down to the title and the comparison table.
