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Inca Plastics Molding Co., Inc. is the original OEM supplier of water and waste holding tanks to the RV Industry since 1959.

Inca Plastics was the first to produce  rotationally molded RV tanks in the early 1960’s. Since then, we have supplied millions of tanks to most of the major RV manufacturers throughout the United States, Canada and Europe.

Whether you are a RV manufacturer, an RV repair facility, or need to add or replace a tank to your personal RV, Inca Plastics would be happy to assist you locate the right tank for your project.

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Inca Plastics is the original equipment manufacturer for water and waste tanks for mainstream toy hauler, travel trailer, fifth wheel, motor home, touring coach and camper manufacturers including Eclipse, Forest River, Skyline, Thor, Pacific Coachworks, Weekend Warrior, Fleetwood, and many more!

If you are looking for a replacement tank for your RV,  you should be able to find it here at


Can't find it in our online store, or not sure which tank fits?

Then give us a call and our friendly customer service representatives will help find the right tank for your unit.

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