When your RV slideout starts letting in road noise, drafts, or dust, the usual fix is a new D-seal and EK-base combo. In the rv camper systems accessories aisle, two kits look nearly identical: one named RV Slide Out Seal Combo 018-312-EKD + 018-341 EK, the other For Rv Camper Slideout System 2 In 1 Rv Slide Out Seal 018-312-Ekd & 018-341 Ek. Both carry the same two part numbers and share the same dimensions. The choice comes down to whether you want the lower-priced combo or the higher-priced 2-in-1 kit.
Quick verdict
For most buyers, the RV Slide Out Seal Combo is the more sensible pick. It shares the same part numbers and same dimensions as the 2-in-1 kit. The 2-in-1 kit matches it on every spec; the higher price buys you clearer installation wording, not a different seal. If you specifically want the '2-in-1' label and the extra fit-check reminder, the pricier kit gives you that. Otherwise, the combo gets the job done.
Comparison at a glance
| Product | Price | Part numbers | 018-312-EKD | 018-341 EK |
|---|---|---|---|---|
| RV Slide Out Seal Combo 018-312-EKD + 018-341 EK | USD 53.00 | 018-312-EKD + 018-341 EK | 1" x 15/16" x 35' | 1/2" x 2.75" x 35' |
| For Rv Camper Slideout System 2 In 1 Rv Slide Out Seal 018-312-Ekd & 018-341 Ek | USD 85.99 | 018-312-EKD + 018-341 EK | 1" x 15/16" x 35' | 1/2" x 2.75" x 35' |
Both options include a money-back-or-replacement after-sales choice. From the details shown, the price and the wording are the differences.
Where each one wins
- The RV Slide Out Seal Combo wins on price. For the same part numbers and dimensions, you pay less.
- The For Rv Camper Slideout System 2 In 1 Rv Slide Out Seal wins if you want the '2-in-1' label and a reminder to confirm your model number, part number, and photo before ordering. It also spells out the tape-removal step for the EK seal.
Product notes
RV Slide Out Seal Combo 018-312-EKD + 018-341 EK
This is the lower-priced of the two, and the math is simple: you get the same 018-312-EKD D seal and 018-341 EK base, in black and new condition. The product details explain how to slide the D seal onto the EK base and screw it into place, and note that the seal works with an I seal for the slide seal base. If your current seal matches these part numbers, this combo covers the same ground as the pricier kit for less. The trade-off is that it is labeled a 'combo' rather than a '2-in-1' kit.
For Rv Camper Slideout System 2 In 1 Rv Slide Out Seal 018-312-Ekd & 018-341 Ek
This is the higher-priced option. It comes with the same part numbers and the same black, new condition. What you get for the extra cost is the explicit '2-in-1' label, a fit-check reminder to compare your model number, part number, and photo before ordering, and a written tape-removal step for the 018-341 EK seal. That extra detail can be reassuring during installation. The limitation is the price: you're paying more for the same physical kit. If you don't need the extra install guidance, the combo is the one to get.
Final choice by use case
Choose the RV Slide Out Seal Combo if you want the lower-priced kit with matching part numbers and you're fine with the standard combo wording. Choose the For Rv Camper Slideout System 2 In 1 Rv Slide Out Seal if you prefer the 2-in-1 label, the fit-check reminder, and the extra tape-removal guidance enough to pay the higher price.
