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018-312-EKD / 018-341-EK 2-in-1 RV Slide-Out Seal Review: Should It Replace Your Camper Seal?

The 018-312-EKD / 018-341-EK 2 in 1 RV slide-out seal bundles a D seal and an EK base for camper slide-out systems. See what the listed specs and price mean for your RV replacement job.

Last updated Aug 12, 2026

Replacing an RV slide-out seal means choosing a part that matches your track and profile. The 018-312-EKD / 018-341-EK 2 in 1 RV Slide-Out Seal pairs a D-shaped seal with an EK seal base for camper slide-out systems. Here is a focused look at the listed details and what they mean for your replacement decision.

Quick verdict: This kit combines an 018-312-EKD D seal with an 018-341 EK seal base at USD 65.99. It is a practical option if your slide-out already uses this profile and you want the seal and base track delivered together. Fit confirmation is the main responsibility; the instructions emphasize checking the model number, part number, and photo against your existing setup before you order.

Who it suits: Buy this if your slide-out matches the 018-312-EKD and 018-341-EK parts and you prefer buying both pieces in one kit. The D seal section measures 1" x 15/16" x 35', and the EK base measures 1/2" x 2.75" x 35', so you can compare those numbers directly with your current seal. This kit is not the right starting point if you are still trying to identify an unknown seal profile; the fit is tied to these specific measurements.

What stands out from the listed details: The two-in-one setup is the main draw: you get the D-shaped rubber and the EK base together. The installation steps are straightforward on paper: remove the tape from the 018-341 EK seal, slide the 018-312-EKD D seal onto the base tracks, then screw the rubber into place. The listed features also call out easy installation and durability, which fits the do-it-yourself replacement idea.

Meaningful trade-offs: Fit is the most important trade-off. The part numbers and dimensions are specific, and the instructions tell you to verify them before ordering to avoid a wrong order. The stated after-sales option is money back or replacement at the buyer's choice, so know that option before you purchase.

018-312-EKD / 018-341-EK 2 in 1 RV Slide-Out Seal

At USD 65.99, this two-piece kit gives you the 018-312-EKD D seal and the 018-341 EK base in one purchase. A solid reason to choose it is the convenience of a matched seal-and-base set for a camper slide-out system. The main limitation is the fit requirement: you have to confirm the model number, part number, and photo match your slide-out before ordering. The stated after-sales option is money back or replacement at the buyer's choice, which is useful to know, but it does not change the need to verify compatibility first.

Bottom line: If your camper slide-out uses the 018-312-EKD / 018-341-EK profile, this 2 in 1 seal at USD 65.99 offers both components together for a replacement job. Check your existing seal's numbers, confirm the match, and follow the described remove-tape, slide-on, and screw-in sequence.

Products in this article
018-312-EKD 018-341-EK 2 in 1 RV Slide Out SealUSD 65.99View on eBay
018-312-EKD 018-341-EK 2 in 1 RV Slide Out SealUSD 65.99View on eBay