The decision
A worn slideout seal can let in drafts, rain, road noise, and dust the moment your RV camper hits the highway. If you are shopping for RV camper systems accessories, the usual fix is to replace the old rubber with a fresh 018-312-EKD D seal and 018-341 EK base seal. Two options cover that pair: the 018-312-EKD 018-341-EK 2 in 1 RV Slide Out Seal For RV Camper Slideout System US and the RV Slide Out Seal Combo 018-312-EKD + 018-341 EK for RV Camper Slideout System. The part numbers and dimensions are the same, so the real decision comes down to price, title clarity, and which option you choose.
Quick verdict
The RV Slide Out Seal Combo is the straightforward choice for anyone who wants the same two seal profiles at the lower listed price: USD 53.00. The 2-in-1 version lists at USD 65.99, which is USD 12.99 higher. Since both options list the same 018-312-EKD and 018-341 EK dimensions, black color, new condition, and money-back-or-replacement after-sales, the combo leaves you with the same replacement seal plan and more room for other RV accessories.
Price and attributes at a glance
| Detail | 2-in-1 RV Slide Out Seal | RV Slide Out Seal Combo |
|---|---|---|
| Listed price | USD 65.99 | USD 53.00 |
| 018-312-EKD dimension | 1' x 15/16' x 35' | 1' x 15/16' x 35' |
| 018-341 EK dimension | 1/2" x 2.75" x 35' | 1/2" x 2.75" x 35' |
| Color / condition | Black / New | Black / New |
| After-sales | Money back or replacement | Money back or replacement |
Where each option stands out
- Choose the 2-in-1 option if you want a title that opens with both part numbers and says "2 in 1" right up front.
- Choose the combo option when you want the lower listed price and the same dimensions.
Product notes
018-312-EKD 018-341-EK 2 in 1 RV Slide Out Seal For RV Camper Slideout System US
This option puts the part numbers front and center: 018-312-EKD and 018-341 EK. The title also calls it a 2 in 1 RV slide out seal, which makes it easy to see that the pair is meant to work together. The description explains the installation order: remove the tape from the 018-341 EK seal, slide the 018-312-EKD D seal onto the EK base, and screw the rubber into place. It lists the same 35-foot lengths as the combo option, and it is new and black. The trade-off is price: at USD 65.99, it is USD 12.99 above the combo option while the dimensions and after-sales policy are the same. Unless the title wording matters more to you than the cost, this is the more expensive way to get the same replacement pair.
RV Slide Out Seal Combo 018-312-EKD + 018-341 EK for RV Camper Slideout System
The RV Slide Out Seal Combo is the option most people should order. It keeps the same 018-312-EKD and 018-341 EK pieces, but the listed price is USD 53.00, not USD 65.99. The description also gives you the weather-protection picture: the seal is made from tough rubber and keeps away rain, snow, dust, dirt, and noises, which is helpful if you are trying to make the camper cabin quieter. The one trade-off is that the title says "Combo" instead of "2 in 1," so if you scan the title quickly, the two-part structure is less obvious. Even so, the after-sales policy matches the higher-priced option, and the black, new seals come in the same lengths.
Final choice by use case
- If you are replacing a seal on a budget, go with the RV Slide Out Seal Combo for USD 53.00 and keep the USD 12.99 difference for other RV camper systems accessories.
- If you prefer a title that spells out the model numbers and says "2 in 1," the 2-in-1 RV Slide Out Seal is the one to order if the higher price is acceptable.
