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Ultra-Fab Leveling Blocks w/ Bag for Trailers and RVs - 8-1/4" x 8-1/4" - Qty 10
Ultra-Fab Products

Ultra-Fab Leveling Blocks w/ Bag for Trailers and RVs - 8-1/4" x 8-1/4" - Qty 10

$76.19
RV Leveling Blocks
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Interlocking blocks stack to different heights and can be positioned beneath jacks, stabilizers or RV wheels to add just enough lift to level your rig. Great Prices for the best rv leveling blocks from Ultra-Fab Products. Ultra-Fab Leveling Blocks w/ Bag for Trailers and RVs - 8-1/4" x 8-1/4" - Qty 10 part number UF48-979051 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Ultra-Fab Products RV Leveling Blocks

Highlights

  • Robust 30,000 lbs capacity: Perfect for heavy trailers or RVs, ensuring stability.
  • Interlocking design: Prevents shifting and collapsing, creating secure support.
  • Case included: Compact storage case with handle for easy transportation.
  • Durable plastic construction: Withstands harsh conditions and frequent use.
  • Stackable for customization: Adjust height to suit your leveling needs.
  • Multiple uses: Support jacks, stabilizers, or serve as a ramp for easy drive-up.

Features to know about

Built to Last and Handle It All: Durable Plastic Construction

When you're out on your camping trip, the last thing you want is equipment that lets you down. Those wooden blocks you’ve been using? Forget about them! The Ultra-Fab Leveling Blocks offer durable, plastic construction that can easily handle loads up to 30,000 lbs, making them perfect for leveling trailers or motor homes with ease.

Achieve Perfect Stability: Interlocking Stackable Design

No more worrying about your camping gear shifting or collapsing after setup. These stackable blocks interlock with each other to ensure they stay firmly in place, even on uneven surfaces. Customize your setup by stacking blocks straight up for extra height or stagger them to create a ramp, allowing for precise adjustments to achieve that perfect level.

Easy Transport and Storage: Included Storage Case with Handle

Ditch the disorderly wood pieces and enjoy the convenience of a dedicated storage case with an integrated carrying handle. This nifty addition makes moving the blocks around hassle-free and ensures you’ll always have them handy when you need them, without cluttering up your storage space.

Versatile Usage on All Terrains: Multi-Use Blocks

These leveling blocks aren’t just for leveling your setup—they can be used under jacks or RV wheels and even as a base for your scissor jacks. Whether you're camping on grass, gravel, or a paved park site, these blocks are versatile enough to handle different terrains and scenarios with ease.

Tailored for Your Adventure: Compact and Lightweight

Traveling frequently and need compact solutions? We get it. Each block is sized at 8-1/4" wide x 8-1/4" long x 7/8" tall, making them easy to tuck away. Their lightweight construction means you won’t be adding unnecessary weight to your load, all while providing the stability you need.

Extra Lift for Big Rigs: Stack Them High

Sometimes, you just need that extra lift. The blocks’ clever design allows you to stack up to five high, giving you more than enough length to accommodate those tricky camping spots where the terrain isn't quite level. With these blocks, achieving the right height is just stack away.

Specs

Quantity

  • Quantity: 10 blocks

Dimensions

  • Individual block dimensions: 8-1/4" wide x 8-1/4" long x 7/8" tall

Weight Capacity

  • Weight capacity: 30,000 lbs

Warranty

  • Warranty: Lifetime warranty

Note

The manufacturer does not recommend stacking more than 5 blocks high

48-979051 UltraFab Ultra Leveling Blocks - 10 Pack

Item # UF48-979051




California residents: click here


Customer Satisfaction Score:

Ratings & Reviews

4.7

252 reviews
Interlocking blocks stack to different heights and can be positioned beneath jacks, stabilizers or RV wheels to add just enough lift to level your rig.

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See what our Experts say about this Ultra-Fab Products RV Leveling Blocks

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  • Suspension Lift Kit For a 2020 Lance 2375 Travel Trailer With Tandem #10 Dexter Torflex Axles
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  • How to Get Trailer Level When Parked on Decline
    Instead of using an uneven, unreliable piece of wood, I recommend checking out the Ultra-Fab Leveling Blocks # UF48-979051. These blocks are 8-1/4" wide x 8-1/4" long x 7/8" tall and you can position them under your jack and/or wheels to get your trailer level; there is also the option of using independent electric jacks, though that is an expensive upgrade and these blocks should work to get you level. I've added links to video reviews of these blocks for you to check out as well.
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    Scissor jacks like the Ultra-Fab Ultra Scissor Jacks # UF48-979002 you were looking at are designed more for stabilization and less for leveling the trailer because they aren't really designed to hold the weight of the trailer off the ground. Even though you won't be fully lifting the trailer I still recommend getting close to the GVWR of your trailer. The GVWR listed for your 2019 Grand Design Imagine 2250RK is 6,995lbs so with four scissor jacks you could switch to a lower rated option...
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  • Manual Stabilizing Jacks For Class C Motorhome
    These manual scissors jacks are for stabilization and not for leveling, so if you want to level out your Class C Winnebago Vita motorhome then you will need leveling blocks, the Ultra-Fab Leveling Blocks for Trailers and RVs # UF48-979051. Then for stabilizing jacks, ground clearance should not be an issue, no, and what you will need depends on the distance from your frame to the ground. The Stromberg Carlson Scissor Jacks have a 5,000 lb capacity per jack and each has a retracted height...
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  • Can Fastway ONEstep Wheel Chocks be Used With Leveling Blocks
    That's a really good question, and while it may be technically possible to use the Fastway ONEstep Wheel Chocks for Tandem-Axle Trailers and RVs # FA84-00-4840 with blocks like the Ultra-Fab Leveling Blocks # UF48-979051, the issue is going to be how the ONEstep sets up. You could set up the wheel chocks, and with them staggered put the ONEstep in between them, but blocks like the Ultra-Fab # UF48-979051 are designed for the tires to grip them, and since they aren't flat on the surface...
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  • How To Fix Out Of Stroke Error When Leveling Camper
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    Air Lift LoadLifter 5000 Ultimate Air Helper Springs with Internal Jounce Bumpers # AL88240 require that the axles be supported at all times, otherwise the weight could rip the bellows from the brackets. If you used leveling jacks to lift the frame of the motorhome you would need to place a support under the wheels as well, like leveling blocks # UF48-979051. Air Lift has stated that they offer cradles that will attach the lower bracket to help support the springs, so you could also reach...
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  • Comparing Anderson Rapid Jacks # AM3620 and # AM3604 For Trailer Leveling
    The difference between Andersen Rapid Jack # AM3620 and # AM3604 is not only the height but the length. The Rapid Jack # AM3620 is 17 inches long whereas # AM3604 is 15 inches long. This small difference means that the longer one will not fit as a leveler of multi-axle trailers. Otherwise they are pretty much the same. Another option is to use Ultra-Fab leveling blocks # UF48-979051. There are 10 included and each is 7/8 inches tall. This will allow you incremental leveling. I have included...
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  • Can Bottle Jack be Used For Leveling Trailer
    No you definitely don't want to use a bottle jack to level a trailer. They aren't made for leveling or stabilizing as they don't have the design needed; they don't attach to a large enough portion of the frame. If you need more leveling, use leveling jacks to do so: - Ultra-Fab Ultra Scissor Jacks # UF48-979002 If you don't want to add more jacks then the best thing to do is use leveling blocks, Ultra-Fab Leveling Blocks for Trailers and RVs # UF48-979051.
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  • Can Stabilizer Jacks be Used to Lift RV a Little
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  • Can the Andersen Camper Leveler be Used on a Triple Axle 5th Wheel Trailer
    Because of the travel of the suspension on a trailer, using just one leveler, # AM3604, would not provide enough lift in most circumstances. It would be difficult to use more than one per side on a triple axle trailer so I recommend going with a different type of leveler. Take a look at the Ultra-Fab Leveling Blocks, # UF48-979051. These 10 levelers can be stacked as needed and the space between tires of multiple axle trailers should not be an issue. With a triple axle trailer though...
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  • Are Trailer Scissor Jacks Made for Leveling or Stabilizing a Trailer or Both
    Scissor jacks on trailers can be used as levelers or stabilizers. They are just not meant to lift up the weight of the trailer so that would limit the amount of leveling they can do. I recommend also using leveling blocks # UF48-979051, or the ones you already have, so that they are doing most of the leveling and the scissor jacks can be used to keep the trailer stable. Scissor jacks aren't meant to support a load off of the ground indefinitely so a secondary leveling device is recommended...
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  • Height of Ultra-Fab Leveling Blocks Part # UF48-979051
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  • Should Leveling Blocks Be Used with the Lippert Ground Control If Wheel Is In Air When Parked
    The individual jacks of the # LC358590 are not designed to support the full weight of your camper when installed. If you are on unlevel enough ground that a wheel is in the air I would recommend a leveling block like the # UF48-979051.
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  • Lippert Ground Control 3.0 Out Of Stroke Error
    The "out of stroke" message on your Lippert Ground Control 3.0 Electric 5th Wheel RV Leveling System, # LC358590 means the jack has reached maximum stroke length and can't extend any further to level the trailer. You need to block the legs, I prefer the Ultra-Fab Leveling Blocks for Trailers and RVs, # UF48-979051. If you continue to get an "out of stroke" error or you cannot manually retract the jack then that would point to signs of damaged internals which means the jack leg would need...
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  • Can Andersen Camper Wheel Chock and Leveler AM3604 be Used if More than 4 Inches Off Level
    If you are more than 4 inches off level then you would still be off level when using Andersen Camper Wheel Chock and Leveler Item # AM3604 just to a lesser degree. So if you are 5 inches off, use this leveler, you will still be 1 inch from being level. You can still use it you just won't be level. What I recommend is to also have some leveling blocks such as # UF48-979051. These are stackable blocks so you can adjust how many are used for the best height to level the trailer/RV. If you...
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  • Out of Stroke Error on Lippert Ground Control
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  • Troubleshooting Out of Stroke Error Code on Lippert Ground Control 3.0 of RV
    If you get the Out of Stroke error message on the Lippert Ground Control system, such as # LC358590, then that indicates that the jack has extended as far as it will go and cannot go any further. You might be able to solve this issue by raising the jack back up and placing some sort of leveler under it, such as # UF48-979051, so that the jack does not have as far to go. The other possible option is to move the coach or trailer to a different, more level location. To clear the error you...
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  • How Many Anderson Chocks and Levelers # AM3604 are Needed to Level a Tandem Axle Trailer
    Presumably you would be using chock and leveler # AM3604 to level a trailer side to side so at most you would need 2 of them. If you used 4 on a tandem axle trailer then it would still be off level just higher up from the ground. A better option that will allow you more precise leveling is to use leveling blocks such as # UF48-979051. That way you could use as many blocks as needed under each individual tire to level the trailer. We have a lot of leveling block options which I have linked...
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  • Can 2 or More Andersen Camper Levelers be Used on the Same Side of a Triple Axle Trailer
    Because of the travel of the suspension on a trailer, using just one leveler, # AM3604, would not provide enough lift in most circumstances. It would be difficult to use more than one per side on a triple axle trailer so I recommend going with a different type of leveler. Take a look at the Ultra-Fab Levelers, # UF48-979051. These 10 levelers can be stacked as needed and the space between tires of multiple axle trailers should not be an issue. With a triple axle trailer though a 10-pack...
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