Features:

  • Fits on the end of most metal 4-inch square bumpers, lugs compatible with any Camco bayonet-style sewer hose fitting
  • High-strength Neodymium magnets keep the bumper cap in place
  • Features small holes for airflow and doubles as an insect screen
  • Includes additional No-Insect Bumper Cap
  • Patented
Keeps insects out and prevents lost bumper caps!

These bumper caps are absolutely perfect for 4" RV bumpers. Most factory bumper caps have a large hole in the center of them, which allows mud daubers, wasps, and other pests to make themselves comfy inside your bumper, until you open it to retrieve your sewer hose, and get a nasty surprise (Ask me how I know!). These caps still allow ventilation so your sewer hose dries out in between uses, but prevents surprises! As an added bonus, these fit much tighter than the factory caps on my 2017 Rockwood Mini Lite, which prevents them falling out while on the road. Simply squeeze the center of the cap to remove them easily, and then press them into place when you're finished. One of the first products I purchase when buying a new travel trailer.

The best fitting stinky slinky retainers - period!

Been camping with travel trailers a long time, and lost MANY bumper caps and sewer hoses too. I purchased my first set of these when these first came out from Camco, and found they fit like no other cap I tried before! Firm, tight, yet easily removed and stayed put through our longest camping adventure - 8 weeks coast-to-coast! Purchased a second set for my nephew who just bought his first, new-to-him, travel trailer.

Buy these!

I was tired of my caps starting to work themselves loose. I never lost one, but they almost came out. I put these caps in one time and they have not budged. The holes are small enough to keep a majority of critters out. Great product, arrived quickly, no issues.

Much better quality than the original plastic bumper caps

Nice quality material. It's not just flimsy plastic, more like a stiff rubber and seems like it will last if not lost...SO, I inserted a small thin 6" cable through one of the holes and screwed the other end to the bumper (they provide an extra hole on the outside corner for this). Even if I forget to re-insert it into the bumper, I can't lose it. It fits very tightly, so it's not at all likely to fall out of the bumper.

Exact replacement for my 4" bumper, but better than the original!

My very first trip with my new TT, I drove off from the sewage dump and left my original bumper cap sitting on the bumper rather than plugged into the bumper... I noticed it missing once I got back home and felt terrible that I lost it, but was relieved that my hose was still in the bumper... I anticipated an overly priced replacement part, but found these for less than $3 for a pair! I picked them up a bit hesitantly, wondering what the catch was, but when they arrived I was very impressed... These are an exact replacement part and I like them more than the stock bumpers since they are vented and now bugs can't get in! They are a little tight, but that is expected being new, and the grip in the middle makes it a little harder to remove than sticking my finder in the center hole and jerking it out... but I am sure it will loosen up in time. All in all, I love these and will be adding another pair to my next Amazon order to have backups!

Great design, excellent price, tight fit!

I lost one of my caps and I keep my hoses in there, so when I found these for such a good price, I jumped. I'm sure over time they'll soften up a bit, but for the time being, they are a seriously tight fit and kinda hard to remove. I had to constantly check the old ones to make sure they weren't about to come off, so while it's hard to get these new ones off, I consider it a positive attribute. I also really like the design that keeps the wasps out (I had a small nest built on the inside of the old one I had left). For the price, this is a must-have for your camper!

Love em, though they seem a little pricey to me.

Love em, though they seem a little pricey to me. I ended up using two sets (since I wanted two of the Magnetic ends). On my "dump side" I have my (normally used) 10 foot sewer hose attached to the magnetic end, and on the other side I have my "alternate" 20 foot sewer hose attached to the other magnetic end. So in those rare circumstances where I cannot get within 10 feet of the dump station, I just pull out the alternate longer sewer hose. Since the magnetic ends conveniently have attachment fittings for the sewer hose, I'm not having to try and fish the unattached hose out from the bumper storage. Hey Camco - why not make an alternate set available with BOTH end caps being the magnetized ends at only 1.5 times the cost?? (Good suggestion awards are encouraged.)

Great for keeping bug out of the bumper but allows air to circulate so the sewer hose doesn't stink

Purchased these Camco 40310 Magnetic Bumper Cap Set - 1 Magnetic with Lugs / 1 Insect Screen. The magnet felt a little loose fitting but when you hook your sewer hose to it it hold solid to the bumper. Very easy to pull the sewer pipe out and replace it back into the bumper. Keeps bugs and other debris from getting in the bumper but allows air flow so the sewer pipe dries and does not stink

Perfect Sizing and Very Snug Fit

After losing both bumper caps on the highway during my last camping trip, I began searching for some new caps that appeared to be better quality than the cheap ones that came with the camper. This cap is made of thicker and noticeably more substantial. And it has multiple "fingers" on each side of the cap that keep it snugly inside the bumper (at least in mine) without needing to use the "safety strap" included. I snipped the safety strap off and the cap stays in place perfectly. Great product at a great price!

No more lost covers or hoses

I have been RVing for 40 years and have lost many sewer bumper end caps and even a couple of hoses. I can't figure out why someone hasn't come up with this idea before. This sewer bumper cap is the perfect solution. Not only do the magnets hold it in the bumper, but the cap has a lug fitting to attach to your sewer hose connector (Camco Rhino) so when you pull the cap out, the sewer hose comes out with it. You no longer have to dig in that nasty bumper to find your hose. The kit comes with one magnetic lug end cap, but I got two so that both ends stay in the bumper. I highly recommend this Camco Magnetic Bumper Cap./

Full Reviews