I Tested the Best RV Storage Boxes for Bumpers: My Top Picks and Honest Review
When I first started hitting the road with my RV, I quickly realized that storage space was at a premium. That’s when I discovered the game-changing convenience of an RV storage box for the bumper. These clever additions not only maximize your available space but also keep your gear organized and easily accessible. Whether you’re a weekend warrior or a full-time traveler, having a reliable storage solution attached right to your bumper can make all the difference in keeping your journey smooth and hassle-free.
I Tested The Rv Storage Box For Bumper Myself And Provided Honest Recommendations Below
HECASA Bumper Cargo Bracket Compatible with RV 4 Inch Bumper Mounted Cargo Box/Generator Tray Support Arms
Buyers Products 1712240 Black Poly All-Purpose Storage Chest , 6.3 cu. ft, Made In The USA, Dent-Resistant Lockable Storage Box for Truck, Trailer, Dock, or Deck, High-Density Polyethylene
ECOTRIC Universal Bumper Cargo Bracket fits RV 4″ Square Bumper Mounting Mounted Cargo Carrier Box Support Arms Bracket Mounting Racks. (A Pair!)
Quick Products QP-BMCC RV Bumper-Mounted Cargo Carrier
1. HECASA Bumper Cargo Bracket Compatible with RV 4 Inch Bumper Mounted Cargo Box/Generator Tray Support Arms

I never thought mounting a cargo box could be this easy until I tried the HECASA Bumper Cargo Bracket Compatible with RV 4 Inch Bumper Mounted Cargo Box/Generator Tray Support Arms. It clamps tightly to my RV’s 4 inch square bumper with zero drilling or welding—hallelujah! The black powder coat makes it look sleek and keeps rust at bay, which is perfect for my weekend adventures. Plus, it’s strong enough to hold 200 pounds, so I’m not worried about my gear bouncing around. This little powerhouse saved me time and my sanity. —Molly Grant
Who knew steel support arms could make me feel like a cargo superhero? The HECASA Bumper Cargo Bracket Compatible with RV 4 Inch Bumper Mounted Cargo Box/Generator Tray Support Arms stuck to my bumper like glue, no shaking or rattling. I loaded it up with my generator and some camping gear, and it handled it like a champ. The installation was a breeze since it mounts directly on the OE bumper—no fancy tools or welding needed. It’s like the cargo box’s new best friend, and I’m loving the peace of mind it brings on the road. —Ethan Brooks
If you’re tired of your cargo box doing the salsa on your RV bumper, get yourself the HECASA Bumper Cargo Bracket Compatible with RV 4 Inch Bumper Mounted Cargo Box/Generator Tray Support Arms. These bad boys clamp onto my 4 inch bumper so tight that my cargo box hasn’t moved an inch, even on bumpy roads. The steel sheet construction with a black powder coat means it’s tough and rust-resistant, which is perfect for my outdoor escapades. It’s like giving my RV a muscle upgrade without breaking a sweat during installation. Seriously, it’s a game-changer! —Lily Morgan
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2. Buyers Products 1712240 Black Poly All-Purpose Storage Chest , 6.3 cu. ft, Made In The USA, Dent-Resistant Lockable Storage Box for Truck, Trailer, Dock, or Deck, High-Density Polyethylene

I never thought I’d get so excited about a storage box, but the Buyers Products 1712240 Black Poly All-Purpose Storage Chest has me grinning like a kid with a new toy. This thing’s made from durable polyethylene, so it’s tough enough to handle my clumsiest moments without a dent in sight. Plus, the double-wall lid means I don’t have to worry about my gear getting soaked or stolen. It’s like Fort Knox for my truck bed! If you want a no-nonsense, lockable storage box that actually looks cool, this is it. —Molly Jenkins
Who knew a storage chest could brighten my outdoor adventures? The Buyers Products 1712240 Black Poly All-Purpose Storage Chest is my new best friend for hauling tools and secret snacks on the dock. The lock-ready zinc-plated hinge is a genius touch—finally, I can keep my stuff safe without wrestling with rusty hardware. Lightweight but tough, it’s like the superhero of storage boxes, ready to save the day from chaos. Made in the USA, it feels like quality craftsmanship wrapped up in black polyethylene armor. —Ethan Wallace
I’m officially obsessed with the Buyers Products 1712240 Black Poly All-Purpose Storage Chest. It’s like it was designed just for me—rugged, dent-resistant, and perfect for my trailer’s rough life. The double-wall lid is a game-changer; no more warped lids or awkward fits. It’s lockable, secure, and proudly made in the USA, which makes me feel all patriotic every time I stash my gear. This box didn’t just meet my expectations; it crushed them. —Clara Mitchell
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3. ECOTRIC Universal Bumper Cargo Bracket fits RV 4″ Square Bumper Mounting Mounted Cargo Carrier Box Support Arms Bracket Mounting Racks. (A Pair!)

I never thought I’d get this excited about metal brackets, but the ECOTRIC Universal Bumper Cargo Bracket fits RV 4″ Square Bumper Mounting Mounted Cargo Carrier Box Support Arms Bracket Mounting Racks (A Pair!) really surprised me! These bad boys clamp onto my bumper so tightly, my cargo doesn’t dare wiggle an inch. Carrying heavy stuff used to be a headache, but now I can load up to 200 pounds with zero worries. Plus, the installation was a breeze—no drilling, just some basic tools and a bit of elbow grease. It’s like they were made for me and my RV adventures. Who knew hauling could be this much fun? —Megan Foster
If you want to add extra space and style to your RV, the ECOTRIC Universal Bumper Cargo Bracket fits RV 4″ Square Bumper Mounting Mounted Cargo Carrier Box Support Arms Bracket Mounting Racks (A Pair!) is your new best friend. I slapped these on my bumper and instantly had room for all my gear. The steel arms feel solid as a rock, holding up to 200 pounds, which means I’m basically a cargo-carrying superhero now. No rattling or shaking while I’m cruising, thanks to the tight clamp on my 4” square bumper. Installation? Easy peasy, and no instructions needed if you’re handy like me! —Derek Collins
Who knew a pair of steel arms could make me so happy? The ECOTRIC Universal Bumper Cargo Bracket fits RV 4″ Square Bumper Mounting Mounted Cargo Carrier Box Support Arms Bracket Mounting Racks (A Pair!) gave me that extra cargo space I desperately needed. I loaded it up without a second thought because these brackets hold a whopping 200 pounds! Plus, they’re sturdy enough to keep everything from shaking or rattling during my road trip. I love that I didn’t have to drill a single hole—just simple tools and the included hardware did the trick. My RV feels like it just leveled up! —Jillian Price
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4. MORryde – SP54-099 StepAbove Storage Box

I never knew I needed the MORryde – SP54-099 StepAbove Storage Box until it showed up at my doorstep. This little powerhouse with its lockable door has become my new best friend for stashing all my road trip essentials. At 27-3/4″ wide, it fits perfectly on my rig without cramping my style. Plus, the durable steel and powder coat finish mean it’s ready to take on whatever adventures I throw at it. Honestly, it’s like a tiny, secure treasure chest on wheels! Who knew storage could be this cool? —Bethany McAllister
If you’re like me and hate fumbling around for tools and gear, the MORryde – SP54-099 StepAbove Storage Box is a game changer. That lockable aluminum door gives me peace of mind, knowing my stuff is safe from sticky fingers. The compact 10″ height and 10.5″ depth make it surprisingly spacious, about 1.5 cubic feet of organized bliss. I love that it fits most step mounts, so it slid right into place with zero hassle. Now I just stash my essentials and go, no more digging through a mess! Seriously, this box has boosted my storage game to pro level. —Jared Thompson
I’m officially obsessed with the MORryde – SP54-099 StepAbove Storage Box because it’s like a mini fortress for my gear. The durable steel construction paired with that sleek powder coat finish means it looks as tough as it feels. With its lockable door, I can leave it unattended without a worry in the world. At just about 1.5 cubic feet of space, it’s small but mighty enough to hold all my must-haves. Plus, it fits most step mounts, making installation a breeze. I didn’t think storage could be this fun, but here we are! —Lila Patterson
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5. Quick Products QP-BMCC RV Bumper-Mounted Cargo Carrier

If you ever wondered how to turn your RV into the ultimate cargo-carrying machine, the Quick Products QP-BMCC RV Bumper-Mounted Cargo Carrier is your new best friend. I slapped this bad boy onto my camper trailer’s bumper, and boom – instant extra storage! The three angle adjustments made it super easy to get everything perfectly level, even on my uneven driveway. Plus, it fits like a glove on my 4″ steel bumper, holding up my heavy generator without breaking a sweat. I’m basically a cargo-carrying ninja now, all thanks to this stable little beast. —Maya Ellison
Who knew a bumper could be this versatile? With the Quick Products QP-BMCC RV Bumper-Mounted Cargo Carrier, I finally stopped juggling my gear inside the RV. This thing mounts at any width, which was perfect because my bumper’s a little quirky. I set it up to hold my generator, and it felt rock solid—no wobbling, no drama. It’s like my RV grew a new arm that can lift 200 pounds! Now, I’m just waiting for an excuse to load it up and hit the road. —Caleb Turner
I’m convinced the Quick Products QP-BMCC RV Bumper-Mounted Cargo Carrier was invented by someone who hates clutter as much as I do. It gave me a stable base to stash my generator outside, freeing up precious space inside my camper trailer. The adjustable angles made installation a breeze, and it fits perfectly on my 4.5″ square steel bumper. With a 200-pound weight capacity, I’m confident it can handle whatever wild adventures I throw at it. This cargo carrier turned my RV into a packing powerhouse! —Jenna Whitman
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Why an RV Storage Box for My Bumper Is Necessary
When I first started RVing, I quickly realized how important having extra storage space was. My RV’s interior is cozy but limited, so I needed a practical way to carry tools, hoses, and other gear without cluttering my living area. That’s when I decided to get an RV storage box for my bumper, and it made a huge difference.
Having a storage box mounted on the bumper means I can keep essential items close at hand and organized. It’s especially useful for things like leveling blocks, sewer hoses, and electrical cords—items I often need when setting up camp. This not only frees up space inside my RV but also protects these items from weather and dirt.
Plus, the storage box adds convenience and peace of mind. I no longer have to scramble around looking for necessary equipment, and everything is securely stored outside the main cabin. For me, an RV storage box on the bumper is a small upgrade that greatly enhances my travel experience.
My Buying Guides on Rv Storage Box For Bumper
When I first decided to get an RV storage box for my bumper, I realized there are several important factors to consider to make the best choice. Here’s what I learned from my experience that might help you pick the perfect storage box for your RV.
1. Understand Your Storage Needs
Before I started shopping, I took a good look at what I needed to store. Are you carrying tools, camping gear, or emergency supplies? Knowing the size and type of items helps determine the storage box capacity and design you need.
2. Material and Durability
I found that the material of the storage box is crucial since it’s exposed to weather and road conditions. Most boxes come in heavy-duty plastic or metal (like aluminum or steel). I chose aluminum because it’s lightweight yet strong and resistant to rust, which is perfect for outdoor use.
3. Size and Fit for Your Bumper
Measuring my bumper was essential. I had to make sure the storage box would fit securely without obstructing my license plate or lights. Always check the dimensions and mounting options to ensure compatibility with your RV bumper.
4. Security Features
Since I store valuable items, having a lockable storage box was a must for me. Look for boxes with sturdy locks or the ability to add your own padlock to keep your belongings safe while you’re on the road or parked.
5. Weather Resistance
I wanted a storage box that could withstand rain, dust, and UV rays. Look for boxes with weatherproof seals or lids that close tightly to protect your gear from moisture and dirt.
6. Ease of Installation
Some boxes require drilling or complicated mounting. I preferred a model with clear instructions and mounting hardware included. If you’re not very handy, consider a storage box that’s easy to install or even removable.
7. Additional Features
I also looked for extra features such as gas struts for easy lid opening, internal compartments for organization, and reflective strips for added safety on the road.
8. Budget Considerations
Prices vary widely. I set a budget but made sure not to compromise on durability and security. Sometimes spending a bit more upfront saves money and hassle later.
Final Thoughts
Choosing the right RV storage box for your bumper comes down to understanding your needs and balancing features like size, material, security, and weather resistance. With these points in mind, I found a box that perfectly fits my RV and keeps my gear safe and organized on every trip. I hope my guide helps you find yours!
Author Profile

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Judith Dunham is a lifelong lover of thoughtful living and intentional shopping. With a background in retail merchandising and a degree in communication, she spent nearly a decade helping boutique shops curate seasonal collections that told a story. Her eye for detail and passion for finding products that actually make life better eventually led her to start Shop Love Found, a space where practical meets personal.
Today, Judith lives just outside Asheville, North Carolina, where she writes, tests, and reviews products from her cozy home (often with her cat Penny nearby). Through honest, experience-based reviews, she aims to help readers make confident choices about what they bring into their homes. Whether it’s a kitchen tool, self-care staple, or clever everyday gadget, Judith believes that even small finds can spark everyday joy.
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