As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

Looking Beyond the Weather Guard 121-52-04 Low Profile Saddle? 6 Alternatives Worth a Look

Latest update:

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

The Weather Guard 121-52-04 Low Profile Saddle Box offers secure, low-profile storage for standard truck beds. If you are exploring weather guard 121 52 04 low profile saddle alternatives, you might want different dimensions or a distinct material. This model measures 72 inches long, 20 inches wide, and 18 inches high. It weighs 76.5 pounds and features a textured matte black aluminum finish. The 1KEY ULTRALOCK system allows one key to work across all your boxes. This simplicity is a major strength for users who value consistent security.

However, you may need a lighter unit or a different lock type. Some buyers prioritize rear visibility over maximum internal capacity. Others require underbody storage to save bed space. The alternatives listed here were chosen because their specs overlap with the original. They include aluminum and steel options with varying lengths and widths. You can find models that fit mid-size trucks or those that offer waterproof sealing. Each option addresses specific needs that the standard saddle box may not cover.

Comparing Weather Guard Alternatives

UWS 69-Inch Matte Black Aluminum Low Profile Tool Box

The UWS 69-Inch Low Profile Toolbox measures 77 inches long, 17 inches wide, and 24 inches high. It weighs 58 pounds. This model is 5 inches longer than the Weather Guard 121-52-04 but 4 inches taller. The increased height may affect rear visibility slightly more than the Weather Guard's 18-inch profile. However, it offers a foam-filled lid for impact protection. You get a non-binding lid mechanism, which aids reliable operation. The UWS box is lighter, saving 18.5 pounds. Choose this if you need extra length and prefer a lighter aluminum build over the Weather Guard's wider 20-inch footprint.

UWS 72-Inch Matte Black Aluminum Tool Box

The UWS 72-Inch Toolbox matches the Weather Guard 121-52-04 at 72 inches long but stands 24 inches high compared to 18 inches. It weighs 59 pounds, making it 17.5 pounds lighter than the Weather Guard. The width is listed as 77 inches in the specs, which appears to be a data error for a low-profile box; typically, width is around 17 inches. It features anti-binding lid technology and thick aluminum walls. This model suits you if you prioritize lid reliability and rear visibility over compact height. The significant height increase makes it less low-profile than the Weather Guard option.

UWS EC10013 69-Inch Matte Black Aluminum Truck Tool Box

The UWS EC10013 measures 77 inches long, 17 inches wide, and 24 inches high. It weighs 55 pounds, which is 21.5 pounds lighter than the Weather Guard 121-52-04. This box offers a slim 17-inch width, narrower than the Weather Guard's 20-inch width. It features a Granite Chrystal finish rather than matte black. The design prioritizes unobstructed rear visibility and side-accessible locking. You should pick this alternative if you want a lighter, narrower aluminum box with secure side locking. The taller 24-inch profile is a trade-off for the reduced width and weight compared to the Weather Guard saddle box.

VEVOR 48 in Aluminum Truck Bed Tool Box

The VEVOR 48-Inch Aluminum Box is designed for mid-size trucks. It measures 48 inches long, 15 inches wide, and 15 inches high. It weighs only 25.6 pounds, significantly lighter than the 76.5-pound Weather Guard. This underbody unit offers key lock security and dry storage. It is 24 inches shorter and 3 inches narrower than the Weather Guard 121-52-04. The lower 15-inch height makes it ideal for underbed mounting to save bed space. Choose this if you need compact, lightweight storage for a mid-size truck and value key security over the larger capacity of a full-size saddle box.

VEVOR 48" Black Aluminum Underbody Truck Box

The VEVOR 48-Inch Underbody Box measures 48 inches long, 17 inches wide, and 18 inches high. It weighs 30.7 pounds, making it 45.8 pounds lighter than the Weather Guard 121-52-04. This unit is waterproof, a feature not listed for the Weather Guard. It uses a latch lock type. The 18-inch height matches the Weather Guard's profile, but the 48-inch length is much shorter. It is designed for compact underbody storage to save bed space. Pick this alternative if you need waterproof, lightweight aluminum storage for a mid-size truck and do not require the extended length of a standard saddle box.

Buyers Products 72 Inch Steel Underbody Box

The Buyers Products 72-Inch Steel Box measures 72 inches long, 24 inches wide, and 24 inches high. It weighs 166 pounds, which is 89.5 pounds heavier than the Weather Guard 121-52-04. This steel construction offers rugged durability for contractors who prioritize protection over weight savings. It is weather-resistant and uses a latch lock. The box is 4 inches wider and 6 inches taller than the Weather Guard aluminum model. You should choose this if you need maximum tool protection and can handle the extra weight. Note that mounting brackets are sold separately, adding to the setup requirements.

Quick picks

#ProductBest forPrice
1 Weather Guard 121-52-04 Low Profile Saddle Box Best overall Standard truck beds needing low-profile secure storage Check price of Weather Guard 121-52-04 Low Profile Saddle Box on Amazon
2 UWS 69-Inch Matte Black Aluminum Low Profile Tool Box Also great Low-profile storage with a non-binding lid Check price of UWS 69-Inch Matte Black Aluminum Low Profile Tool Box on Amazon
3 UWS 72-Inch Matte Black Aluminum Tool Box Also great Low-profile storage with anti-binding lid technology Check price of UWS 72-Inch Matte Black Aluminum Tool Box on Amazon
4 UWS EC10013 69-Inch Matte Black Aluminum Truck Tool Box Also great Secure storage with unobstructed rear visibility Check price of UWS EC10013 69-Inch Matte Black Aluminum Truck Tool Box on Amazon
5 VEVOR 48 in Aluminum Truck Bed Tool Box Best budget mid-size truck underbed storage Check price of VEVOR 48 in Aluminum Truck Bed Tool Box on Amazon
6 VEVOR 48" Black Aluminum Underbody Truck Box Best waterproof compact underbody storage Check price of VEVOR 48" Black Aluminum Underbody Truck Box on Amazon
7 Buyers Products 72 Inch Steel Underbody Box Best premium Heavy-duty steel storage under trucks Check price of Buyers Products 72 Inch Steel Underbody Box on Amazon

Our 7 picks

Best overall

Weather Guard 121-52-04 Low Profile Saddle Box

Best for: Standard truck beds needing low-profile secure storage

Material
Aluminum
Profile
Low Profile
Finish
Black
Dimensions
72 × 20 × 18 inches
Weight
76.5 pounds

View on Amazon: Weather Guard 121-52-04 Low Profile Saddle Box Affiliate link

The Weather Guard 121-52-04 is a low-profile saddle box built from aluminum. It measures 72 inches long, 20 inches wide, and 18 inches high. The box holds 11.0 cubic feet of gear. It weighs 76.5 pounds and features a textured matte black finish. You get the new 1KEY ULTRALOCK system for simplified key management. This setup suits truck owners who need secure, low-profile storage that does not obstruct the bed.

Pros

  • Constructed from durable aluminum for corrosion resistance
  • 11.0 cubic feet of interior storage capacity
  • 72-inch length fits most standard truck beds
  • 1KEY ULTRALOCK system allows one key for all boxes
  • Low 18-inch profile maintains a sleek truck appearance

Cons

  • 76.5-pound weight requires careful handling during installation
  • Fixed 20-inch width may not fit all truck bed dimensions
  • Limited to 18-inch height, restricting tall item storage

Good fit if

  • You need a low-profile box that sits flush with the bed rails
  • You want a single key to operate multiple Weather Guard products
  • You prefer aluminum construction for lightweight durability

Skip if

  • You require a box taller than 18 inches for large equipment
  • You need a box wider than 20 inches for side-by-side gear
  • You prefer a glossy finish over a textured matte black surface

Verdict: Weather Guard 121-52-04 Low Profile Aluminum Box provides secure, low-profile storage for standard truck beds. It is ideal for users who value the 1KEY ULTRALOCK system and aluminum durability over maximum height or width.

Also great

UWS 69-Inch Matte Black Aluminum Low Profile Tool Box

Best for: Low-profile storage with a non-binding lid

Material
Aluminum
Profile
Low Profile
Finish
Black
Dimensions
77 × 17 × 24 inches
Weight
58 pounds

View on Amazon: UWS 69-Inch Matte Black Aluminum Low Profile Tool Box Affiliate link

The UWS EC10473 is a 69-inch matte black aluminum toolbox with a low-profile design. It features a RigidCore lid filled with solid foam to prevent binding and improve rear visibility. The one-piece tub is welded from 0.058-inch aluminum. It includes stainless steel handles and internal organization like a tool tray. This unit weighs 58 pounds and measures 77 inches in length.

Pros

  • RigidCore lid filled with solid foam prevents binding
  • Welded one-piece tub made from 0.058-inch aluminum
  • Stainless steel paddle handles for secure operation
  • Includes tool tray and screwdriver holders

Cons

  • Weighs 58 pounds, which is heavier than some alternatives
  • No mention of a built-in locking mechanism in the data
  • Limited internal volume compared to taller toolbox designs

Good fit if

  • You need a low-profile box to maintain rear visibility
  • You want a foam-filled lid to prevent sticking
  • You prefer stainless steel handles for durability

Skip if

  • You require a steel construction for maximum impact resistance
  • You need a box taller than 24 inches for extra storage
  • You prefer a lighter unit under 50 pounds

Verdict: UWS 69-Inch Low Profile Aluminum Toolbox offers a sturdy, low-profile storage solution with a foam-filled lid. It suits drivers who prioritize rear visibility and reliable lid operation over maximum internal capacity.

Also great

UWS 72-Inch Matte Black Aluminum Tool Box

Best for: Low-profile storage with anti-binding lid technology

Material
Aluminum
Profile
Low Profile
Finish
Black
Dimensions
17 × 77 × 24 inches
Weight
59 pounds

View on Amazon: UWS 72-Inch Matte Black Aluminum Tool Box Affiliate link

The UWS EC10603 is a 72-inch matte black toolbox with a low-profile design. It uses 0.058-inch aluminum for the body and features a RigidCore lid filled with solid foam to prevent binding. The unit measures 77 inches wide, 17 inches deep, and 24 inches high. It weighs 59 pounds and includes stainless steel handles, a tool tray, and screwdriver holders for organization.

Pros

  • RigidCore lid with solid foam filling prevents binding
  • 0.058-inch thick welded aluminum construction
  • Stainless steel paddle handles for secure access
  • Includes tool tray and built-in screwdriver holders

Cons

  • 72-inch size may not fit all truck beds
  • 59-pound weight requires careful handling during installation
  • No mention of internal lighting or advanced locking mechanisms

Good fit if

  • You need a low-profile box for better rear visibility
  • You want a foam-filled lid to prevent sticking
  • You prefer stainless steel handles for durability

Skip if

  • You have a truck bed shorter than 72 inches
  • You need a box under 59 pounds for easy lifting
  • You require a matte black finish on non-aluminum materials

Verdict: UWS 72-Inch Low Profile Aluminum Toolbox offers solid foam lid protection and thick aluminum walls. It fits buyers who prioritize lid reliability and rear visibility over compact dimensions.

Also great

UWS EC10013 69-Inch Matte Black Aluminum Truck Tool Box

Best for: Secure storage with unobstructed rear visibility

Material
Aluminum
Profile
Low Profile
Finish
Black
Dimensions
17 × 77 × 24 inches
Weight
55 pounds

View on Amazon: UWS EC10013 69-Inch Matte Black Aluminum Truck Tool Box Affiliate link

The UWS EC10013 is a 69-inch low-profile aluminum truck tool box. It measures 77 inches wide and 17 inches high. The lid uses RigidCore foam for structural strength. You get dual-locking twist handles and a removable BedRug liner. This matte black box suits you if you need secure, organized storage that does not block your rear view.

Pros

  • Low profile height of 17 inches improves rear visibility
  • RigidCore foam-filled lid prevents binding and adds strength
  • Dual-locking twist handles allow locking from either side
  • Includes removable BedRug liner and built-in screwdriver holders

Cons

  • Weight of 55 pounds makes installation more difficult
  • Fixed 69-inch size limits fitment to specific truck beds
  • No mention of internal dividers or adjustable shelving

Good fit if

  • You need a low profile that does not obstruct your rear window view
  • You want a single locking mechanism accessible from both sides of the truck
  • You prefer a removable liner for easy cleaning and organization

Skip if

  • You require a box that fits a bed shorter than 69 inches
  • You need a lighter unit for easier solo installation
  • You prefer a steel construction over aluminum

Verdict: The UWS EC10013 69-Inch Low Profile Aluminum Box offers secure storage with a slim 17-inch profile. It fits you if you prioritize rear visibility and side-accessible locking in a sturdy aluminum build.

Best budget

VEVOR 48 in Aluminum Truck Bed Tool Box

Best for: mid-size truck underbed storage

Material
Aluminum
Finish
Black
Lock Type
Key Lock
Dimensions
48 × 15 × 15 inches
Weight
25.6 pounds

View on Amazon: VEVOR 48 in Aluminum Truck Bed Tool Box Affiliate link

This VEVOR aluminum truck bed tool box measures 48 by 15 by 15 inches. It weighs 25.6 pounds and features a diamond plate finish. The design includes a tight seal to keep contents dry. You get two keys for the stainless steel lock. Side handles allow for easier carrying. This box fits well under trucks where space is tight.

Pros

  • 48-inch length fits many mid-size beds
  • Aluminum alloy resists rust and corrosion
  • Includes two keys for the lock

Cons

  • 15-inch height limits tall items
  • No remote or electronic access
  • Requires manual assembly

Good fit if

  • You need compact underbed storage
  • You prefer aluminum over steel
  • You want a key-locked box

Skip if

  • You need full-size bed length
  • You want remote access
  • You require heavy-duty steel

Verdict: VEVOR 48-Inch Aluminum Underbody Box offers secure, dry storage for mid-size trucks. It suits buyers who value lightweight aluminum and key security over remote features.

Best waterproof

VEVOR 48" Black Aluminum Underbody Truck Box

Best for: compact underbody storage

Material
Aluminum
Finish
Black
Lock Type
Latch
Waterproof
Waterproof
Dimensions
48 × 17 × 18 inches
Weight
30.7 pounds

View on Amazon: VEVOR 48" Black Aluminum Underbody Truck Box Affiliate link

This VEVOR underbody box measures 48 by 17 by 18 inches. It is made from heavy-duty aluminum with a black diamond plate finish. The design includes a rubber sealing strip for waterproof protection. It weighs 30.7 pounds and features a secure latch lock. You should consider this if you need compact, weather-resistant storage mounted beneath your truck bed.

Pros

  • Waterproof rubber sealing strip keeps items dry
  • Heavy-duty aluminum alloy resists rust and corrosion
  • Diamond plate texture adds scratch resistance
  • Lockable latch includes two keys for security

Cons

  • Smaller capacity than standard 69-inch or 72-inch toolboxes
  • Requires separate purchase of mounting brackets
  • Limited to underbody installation only

Good fit if

  • You need compact storage that does not protrude from the bed
  • You want waterproof protection for tools and gear
  • You prefer aluminum construction for rust resistance

Skip if

  • You require a large capacity for extensive tool collections
  • You need a toolbox that sits on top of the bed rails
  • You want a unit that includes mounting hardware

Verdict: VEVOR 48-Inch Underbody Aluminum Box is a secure, waterproof option for buyers who need to save bed space. It fits users who prioritize compact dimensions and rust-resistant aluminum over large storage volume.

Best premium

Buyers Products 72 Inch Steel Underbody Box

Best for: Heavy-duty steel storage under trucks

Mounting Location
Underbody or flat surface
Material
14 Ga black steel
Waterproof
Weather-resistant, replaceable gasket
Finish
Corrosion-resistant powder coat
Installation
Mounting brackets sold separately
Lock Type
Latch

View on Amazon: Buyers Products 72 Inch Steel Underbody Box Affiliate link

This Buyers Products tool box is built from 14-gauge black steel with a corrosion-resistant powder coat finish. It measures 72 inches long, 24 inches wide, and 24 inches high. The unit features a stainless steel compression latch and a replaceable gasket system for weather resistance. You can mount it under the truck bed or on a flat surface. It weighs 166 pounds and is made in the USA. Mounting brackets are sold separately.

Pros

  • 14-gauge black steel construction for heavy-duty use
  • Stainless steel compression latch for secure locking
  • Replaceable gasket system seals out moisture and debris
  • Made in the USA for professional-grade quality

Cons

  • Mounting brackets are sold separately
  • Heavy at 166 pounds
  • Only weather-resistant, not fully waterproof

Good fit if

  • You need a durable steel toolbox for harsh job sites
  • You want a large 72-inch storage capacity
  • You prefer underbody mounting for bed space

Skip if

  • You need a fully aluminum lightweight option
  • You want included mounting hardware
  • You require a smaller 48-inch length

Verdict: Buyers Products 72 in Steel Underbody Box is a rugged, heavy-duty storage solution for contractors who prioritize steel durability over weight savings. You should choose this box if you need maximum protection for tools and do not mind purchasing mounting brackets separately.

Specifications side by side

Spec Weather Guard 121-52-04 Low Profile Saddle Box UWS 69-Inch Matte Black Aluminum Low Profile Tool Box UWS 72-Inch Matte Black Aluminum Tool Box UWS EC10013 69-Inch Matte Black Aluminum Truck Tool Box VEVOR 48 in Aluminum Truck Bed Tool Box VEVOR 48" Black Aluminum Underbody Truck Box Buyers Products 72 Inch Steel Underbody Box
Mounting Location not stated not stated not stated not stated not stated not stated Underbody or flat surface
Material not stated not stated not stated not stated not stated not stated 14 Ga black steel
Waterproof not stated not stated not stated not stated not stated not stated Weather-resistant, replaceable gasket
Finish not stated not stated not stated not stated not stated not stated Corrosion-resistant powder coat
Installation not stated not stated not stated not stated not stated not stated Mounting brackets sold separately
Profile Low Profile Low Profile Low Profile Low Profile not stated not stated not stated
Lock Type not stated not stated not stated not stated Key Lock Latch Latch
Dimensions 72 × 20 × 18 inches 77 × 17 × 24 inches 17 × 77 × 24 inches 17 × 77 × 24 inches 48 × 15 × 15 inches 48 × 17 × 18 inches 72 × 24 × 24 inches
Weight 76.5 pounds 58 pounds 59 pounds 55 pounds 25.6 pounds 30.7 pounds 166 pounds
Size 72" L x 20" W x 18" H 69" 72" 69" 48 in 48*17*18 24 x 24 x 72
Color Textured-Matte-Black Black Black Granite Chrystal Black Black Black
Model 121-52-04 EC10473 EC10603 EC10013 JL-TB19-3 TB17-4B 1704320

Frequently asked questions

What is the lightest low profile truck box available?

The VEVOR 48-Inch Aluminum Underbody Truck Box is the lightest option at 25.6 pounds. Its compact 15-inch width and 15-inch height make it ideal for mid-size trucks. This lightweight aluminum build allows for easy handling while providing secure underbed storage without adding significant weight to your vehicle.

Which toolbox offers the best rear visibility?

The UWS EC10013 69-Inch Low Profile Aluminum Box provides excellent rear visibility. It features a slim 17-inch profile and a Granite Chrystal finish. This low height ensures your view out the back window remains unobstructed, which is critical for safe backing and maneuvering in tight spaces.

Is there a steel alternative to aluminum boxes?

Yes, the Buyers Products 72 Inch Steel Underbody Box is a heavy-duty steel option. Weighing 166 pounds, it offers maximum protection for tools. This rugged box is weather resistant and suits contractors who prioritize durability over weight savings. Note that mounting brackets are sold separately.

How wide is the UWS 72-Inch Toolbox?

The UWS 72-Inch Matte Black Aluminum Tool Box measures 77 inches wide. It is 24 inches high and 17 inches long. This wide design fits buyers who prioritize lid reliability and rear visibility over compact dimensions. The thick aluminum walls provide sturdy protection for your gear.

Which box is best for saving bed space?

The VEVOR 48-Inch Black Aluminum Underbody Truck Box is best for saving bed space. It measures 48 inches long, 17 inches wide, and 18 inches high. This compact underbody design is waterproof and rust-resistant. It allows you to keep your truck bed clear while maintaining secure storage.

Does the UWS 69-Inch box have a foam lid?

Yes, the UWS 69-Inch Matte Black Aluminum Low Profile Tool Box includes a foam-filled lid. This feature adds structural integrity and protection. The box measures 77 inches long, 17 inches wide, and 24 inches high. It offers a sturdy solution with a non-binding lid for reliable operation.

What lock type does the VEVOR 48-inch box use?

The VEVOR 48 in Aluminum Truck Bed Tool Box uses a key lock. It does not include remote features, focusing instead on lightweight aluminum construction and key security. This simple locking mechanism ensures your tools remain secure while keeping the overall weight low for easier installation and access.

See also