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This sewer cap prevents leakage from your RV's waste drain. 4 Bayonets tighten onto the drain for a secure connection.
Features:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to be taking a look at the Camco RV sewer drain cap. This sewer cap seals your RV's waste drain to prevent leakage. It's made from a strong, durable, black plastic construction. It's going to feature a four hook design for a tight, secure fit. It also has the appropriate seal for leak-proof performance. This is a bayonet fitting that connects tightly to a lug fitting.
It's also going to include a tether, so you don't have to worry about misplacing or losing your cap. A nice hand grip design on top allows for easy operation and control. It's made in the USA. We'll take a measurement real quick, inner edge to inner edge. We can see that that span right there is going to measure right on three and a half inches.
That's going to do it for today's look at the Camco RV sewer drain cap.
Product was as described and fast shipping. Thank you so much.
These are some great products made the trailer ride so much better. E trailer great customer support you guys are awesome
Reviewing a Sewer cap..what can you say.
Doesnt leak, has 4 lock pin slots, the full bar 'handle' is easy to use. This was used on our portable auxillary waste tank. Another replaced a 2 lock pin cap on our camper.
Good price
Items arrived on time and are exactly what was expected. I recommenmd etrailer as a dependable online source for RV and trailer itrems.
The o-ring on my old cap broke. It’s was cheaper to order the cap than the o-ring. Exact fit.
Thanks
Worked as advertised.
Fit perfect! Quality was as good as fac tory.
The levels work great.
Perfect fit. The material seems a little flexible and therefore may be less likely to crack like the original. Happy with the purchase.

Marianne
4/7/2025
The sewer cap has been on for over a year and a half now and its still holding up with a tight seal and no signs of wear.

We are using a tote tank as a main black water storage/tote tank on a non-travelling Tiny House. Thus, I had to do a somewhat unconventional hook up. Never having dealt with the RV side of plumbing I was concern I might order incorrect parts.
The product videos on the etrailer site were VERY helpful. Not only did you show the product, you also gave actual measurements that went a long way to ensuring I got the right parts. THANK YOU, Thank You, thank you.
Standard cap to replace one that broke. Fit good and works well.
This was a hard one to find on the net. But it proved to be the perfect fit for this old 1971 prowler camper.
Quick service, fit perfectly
High quality cap.
Well I can't say they'll fit because our trailer is already closed up and winterized for the season... These are replacement parts so I'm sure they will do the job just fine for next camping season in May! Thank you very much, these came in just a few days. I only wish that I had ordered them much sooner.

Frank
10/31/2021
My parts are working fine as I knew they would. Good quality too. I know where to order future parts now!
Love etrailer. Customer service excellent. Quick deliveries. Have shopped them multiple times. Love the variety of items.
Thanks

Irvin
10/26/2021
It been a year WOW! Still using and perfect condition. Like it.
like ordering from etrailer-prices are great service is uper fast. KUDOS to etrailer-products good quality

Ron G.
6/11/2019
great
The sewer System products all fit together as I expected. Added these on to my current dump hose will make it much easier for setup and tear down.

George
6/29/2021
The new setup is much easier to use. My wifes only comment has been why didnt I do this years ago
The tether was missing from the camper sewer cap I ordered. I was pleased that I was able to promptly reach a live customer support person by phone. When I informed etrailer representative Kaleb about the missing tether, he discovered tethers were missing from their entire warehouse inventory of sewer caps. I was assured the missing tether would be sent to me by etrailer's manufacturer, but have not received one yet.
Outstanding, worked great!
My package of fittings arrived right on time and were put to use immediately when I took them to our local building supply to verify piping sizes and temporarily assemble and measure a mockup of our drain line. It was a great help to do that, as I discovered that hard-plumbing the sewer line was a bad idea. Instead, a flexible/removable joint was added close to the "L" adapter to the septic inlet, which will allow for removal of the line in winter and ease repair efforts in case the line gets plugged or is damaged.
Nice tight fit with 4 locking points instead of 2 on my original cap. The grab handle makes it easy to grasp with a closed fist and use whole fist to turn instead of grasping the outside of the cap.
Fits well, quick shipping easy order. T hanks
Great-fitting product! A solid replacement for your RV sewer drain. No leaks on mine!
A sewer drain tank cap was missing a gasket. Notified etrailer and they sent out a complete replacement. Good people!
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Joseph
8/2/2022
It’s been a year. Still working fine