Emily ParkerBy Emily Parker

Updated November 2026

Camper accessories for travel trailers fall into a few practical groups: leveling and stabilizing, water and sewer handling, power management, storage, and comfort. This guide walks through each group in the order you will likely need them, so you can decide what to buy, what to pack, and what to install before your next trip. Along the way you will get a setup checklist, a comparison table, common mistakes to avoid, and answers to the questions owners ask most often.

Start With the Accessories That Keep the Trailer Safe

Before anything else, make sure the trailer sits level, stable and properly connected. Safety accessories come first because every other system depends on them. If you are still deciding on the hitch side, the guide to Travel Trailer Hitch Accessories: 9 Essentials to Pack and Install (2026) covers ball mounts, weight-distribution bars and sway control in detail.

Shopping for one? See our guide: 3 Best Travel Photography Accessories for Better Trip Photos (2026).

Leveling blocks and jacks

Leveling is not only about comfort. An unlevel trailer affects refrigerator operation, causes doors to swing open, and puts uneven stress on the frame and tires. Most owners use one of three approaches:

  • Drive-on leveling ramps for quick front-to-back adjustments on flat ground.
  • Stackable leveling blocks for placing under tires when the difference is larger.
  • Electric or manual stabilizer jacks to take weight off the suspension once the trailer is level.

Keep a small bubble level or a phone-based level app in the trailer so you can check both side-to-side and nose-to-tail. Manufacturers generally recommend a reading within a degree or so, though your owner’s manual will list the exact tolerance for your model.

Wheel chocks and a tire pressure gauge

Chocks keep the trailer from rolling once it is unhitched, and a reliable tire gauge matters more than most people expect. Trailer tires often run at much higher pressures than car tires, and the placard on the trailer or the tire sidewall gives the target number. Check pressures cold, before you drive.

Set Up Water and Sewer Handling

Water accessories are where most first-time owners spend their early learning curve. A basic kit usually covers fresh water in, pressure control, and waste disposal.

Step-by-step water hookup

  1. Flush the fresh water hose with a few gallons before connecting it, so any dust or residue from storage does not reach the tank.
  2. Attach a inline water pressure regulator at the spigot. Many campgrounds run higher than the RV plumbing is designed to handle.
  3. Connect the drinking-water-rated hose to the trailer inlet, and use a hose support so the line does not kink.
  4. Open the spigot slowly and check every joint for drips before walking away.

Sewer connections and gear

Plan on a sewer hose with a clear elbow, a set of sewer hose support pieces to maintain a continuous downhill slope, and disposable gloves. A portable tote tank is useful if your site has no sewer hookup or if you camp in dry sites. Keep the sewer hose separate from the fresh water hose, and label or color-code them so you never mix them up.

Plan Your Power Accessories

Power accessories determine whether you can run the air conditioner, microwave and charger at the same time. Start by reading the amperage rating of your campground pedestal or the outlet your trailer will use, usually 30 amps or 50 amps for most travel trailers.

Accessory Main purpose What to check
Surge protector Guards electronics from voltage spikes and low voltage Matches your trailer’s amp rating
Dogbone adapter Converts between 30-amp and 50-amp connections Correct plug and receptacle type
Power cord extension Reaches a distant pedestal Gauge rated for the full amp load
Portable battery or solar kit Keeps lights and fans running off-grid Watt-hour capacity versus daily use

Never run a space heater or a second high-draw appliance on a cord that is not rated for it. A licensed electrician should inspect any hardwired changes. For anything beyond plug-in accessories, consult a qualified RV technician.

Organize Storage and Interior Add-Ons

Trailers have limited space, so storage accessories earn their place quickly. Measure the cabinets, drawers and overhead spaces before buying so the pieces actually fit. Useful categories include:

  • Over-the-door or hanging organizers for shoes, toiletries and cleaning supplies.
  • Stackable bins sized to your drawers, labeled by trip category such as kitchen, first aid and tools.
  • Non-slip drawer liners and cabinet bungee cords to keep dishes and bottles from shifting on the road.
  • A dedicated tool kit with a flashlight, adjustable wrench, zip ties and duct tape.

For bathroom-specific storage and shower add-ons, the article Travel Trailer Bathroom Accessories: A Practical Guide (2026) goes deeper on layout and fit.

Add Outdoor Comfort Accessories

Once the trailer is set up, outdoor accessories change how you use the site. An awning and its add-ons are often the most used pieces. The guide to Travel Trailer Awning Accessories: 9 Add-Ons Worth Installing explains side walls, LED strip lights and awning clips. If you are shopping for a full-body cover to protect the roof and seals during storage, Classic Accessories Travel Trailer Covers: How to Choose and Fit One covers sizing and fit.

Other outdoor items worth considering include a folding mat for the entry step, a portable table, and a small grill or outdoor kitchen setup. For a broader set of ideas, Travel Trailer Accessories Ideas: 9 Add-Ons That Make Life Easier offers a useful list to scan.

Build a Pre-Trip Setup Checklist

A written checklist saves more time than any single accessory. Use this sequence at each campsite:

  1. Park on the most level ground available and place chocks behind the wheels.
  2. Level the trailer side to side, then nose to tail, and deploy stabilizer jacks.
  3. Connect power through a surge protector and check the amp rating.
  4. Attach the water pressure regulator and connect fresh water, then check for leaks.
  5. Set up the sewer hose with a continuous downhill slope and secure all connections.
  6. Extend the awning, add side walls if wind permits, and anchor it with stakes or weights.
  7. Test the refrigerator on the power source you are using and confirm it is cooling.

Common Mistakes to Avoid

  • Skipping the pressure regulator. High campground water pressure can split hoses and damage fittings.
  • Buying accessories before measuring. Storage bins and cover sizes vary more than the marketing suggests.
  • Using a standard garden hose for drinking water. Use a hose labeled for potable water and store it capped.
  • Ignoring the amp rating. Plugging a high-draw appliance into a cord rated for less creates a fire risk.
  • Leaving the awning out in wind. Retract it or secure it properly before you leave the site.
  • Forgetting the leveling check after moving. Ground shifts after rain, so re-check before you settle in.
  • Stackable leveling blocks: Their stepped design lets you raise a tire in small increments until the trailer reads level. View on Amazon
  • Inline RV water pressure regulator: It reduces incoming campground pressure to a safe range for the trailer plumbing. View on Amazon
  • Heavy-duty sewer hose support: These pieces hold the sewer hose at a consistent downhill angle so waste flows without pooling. View on Amazon
  • RV surge protector: It monitors incoming voltage and cuts power if it moves outside a safe range, protecting the trailer’s electronics. View on Amazon

FAQ

What are the most important camper accessories for travel trailers?

Leveling blocks, wheel chocks, a water pressure regulator, a sewer hose kit and a surge protector cover the core safety and utility needs. Storage and awning add-ons come after those basics are in place.

Do I need a surge protector if the campground has a pedestal?

Yes, in most cases. Campground power can fluctuate, and a surge protector helps shield the converter, air conditioner and other electronics from damage.

How do I know what water pressure is safe for my trailer?

Your owner’s manual or the plumbing section of the manufacturer’s documentation lists a recommended range. A regulator set to that range is the simplest way to stay within it.

Can I use a regular garden hose for fresh water?

Use a hose specifically rated for potable water. Garden hoses often contain chemicals that can affect taste and safety, so keep the drinking-water hose separate.

How level does a travel trailer need to be?

Aim for the tolerance listed in your owner’s manual. Many owners target a level reading as close to flat as they can get, especially for refrigerator operation.

Should I cover my travel trailer during storage?

A breathable, properly fitted cover can protect the roof and exterior from sun, debris and moisture. Ill-fitting covers can trap moisture and rub the finish, so check sizing carefully.

What should I pack in a basic trailer tool kit?

Include a flashlight, adjustable wrench, pliers, screwdrivers, zip ties, duct tape, a tire gauge and spare fuses matched to your trailer’s ratings.

Conclusion

The right camper accessories for travel trailers make setup faster, protect your investment, and make each campsite more comfortable. Start with leveling, water and power safety, then add storage and outdoor comfort as your needs become clear. Use the checklist at each stop, and revisit your kit after every few trips to drop what you never use.

Ready to choose one?

Emily Parker

About Emily Parker

Emily Parker is part of our editorial team and reviews and edits our travel essentials & packing lists guides, checking product details against manufacturer specifications and owner feedback.