When you're shopping for RV camper systems accessories and your slideout starts letting in drafts, road noise, or moisture, you need a replacement seal that matches the original part numbers 018-312-EKD and 018-341 EK exactly. The catch: two listings look nearly identical, so which one goes into your camper? Both pair the D-shaped 018-312-EKD profile with the 018-341 EK base seal, and both are new. The real difference is a $2 price gap and the wording on the listing title.
Quick verdict
Both kits share the same model numbers, the same 35-foot lengths for each profile, and the same after-sales option: money back or replacement, buyer's choice. They are functionally identical in the details that matter. If you want the lower listed price, choose the $63.99 listing. If you want a title that explicitly announces the two-profile kit, choose the $65.99 listing. Your call, then, is simple: pay a little less for identical parts, or pay a little more for a title that spells out what's in the box.
Comparison table
| Product | Price | Title highlights | After-sales |
|---|---|---|---|
| Black RV Slide Out Seal 018-312-EKD \& 018-341 EK | USD 63.99 | Names the black finish | Money back or replacement (buyer's choice) |
| 018-312-EKD 018-341-EK 2 in 1 RV Slide Out Seal | USD 65.99 | Says "2 in 1" and "US" | Money back or replacement (buyer's choice) |
Where each product wins
- The lower-priced listing wins on budget: it costs less while offering the same two profiles and after-sales terms.
- The higher-priced listing wins on title clarity: it spells out the combined design and includes "US," so it's easier to recognize in a list.
On a search results page, the title is your first clue. One listing leads with the color, and the other leads with the fact that it's a two-piece kit. If you already know the part numbers, either title works; if you want color confirmation upfront, the first title helps.
Product notes
Black RV Slide Out Seal 018-312-EKD \& 018-341 EK for RV Camper Slideout System
The lower-priced option gives you the same 018-312-EKD D seal and 018-341 EK base seal as the pricier listing. The shared features list includes easy installation and durability, and the description explains the process: slide the D seal onto the EK base and screw the rubber into place. It also asks you to confirm that the model number, part number, and photo match your existing setup before ordering, so you don't receive the wrong profile. The trade-off is that the title doesn't call out the combined nature of the kit as directly as the competing title does, so it may take an extra moment to recognize that both profiles are included. If the price matters, this is the straightforward pick.
018-312-EKD 018-341-EK 2 in 1 RV Slide Out Seal For RV Camper Slideout System US
The higher-priced option costs more, but the title states the combined design right away and includes "US." The installation steps are the same: remove the tape from the 018-341 EK seal, slide the D seal onto the base, and screw the rubber into place. The features list also mentions easy installation and durability. The description reminds you to make sure the model number, part number, and photo are the same as yours before ordering. The limitation is simply the extra cost, since the included profiles look identical to the lower-priced listing. If you want the listing title to say "2 in 1" explicitly, this one delivers.
Final choice by use case
If your priority is the lowest listed price and you already know these part numbers fit, the lower-priced option is the straightforward pick. If you prefer a listing that makes the two-piece setup obvious in the title, the higher-priced option is worth the extra cost. Both list the same model numbers, so confirm the part numbers against your existing seal before ordering. Seal replacement is usually a one-time job when the old rubber wears out, so picking the listing you trust is what matters.

