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Universal Fit
Fitment Notes:
  • Not Vehicle Specific
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Product Details

Weather Guard

Universal Defender Series Standard Single Door Underbody Tool Box (300501-9-01) by Weather Guard®. Dimensions: 48" Length x 19" Width x 19" Height. Volume: 9.5 cu.ft. Finish: Clear Coated. Material: Aluminum. The Weather Guard DEFENDER SERIES™ Underbed Box provides Professional Protection. This new underbed box includes a tamper-resistant D-handle lock, D-shaped ribbed weather stripping and heavy-duty welded steel body construction and aluminum door.


  • Delivers heavy-duty security with a C-channel reinforced welded door
  • Provides professional durability with welded steel body putting strength where it is needed most
  • Steel body is black powder coated inside and out for maximum protection against oxidation
  • Classic weather resistance from full weather seal with D-shaped ribbed weather stripping
  • Tamper-resistant D-handle locks; drill resistant through key hole
  • Door is supported with durable steel chains
  • D-handle locks are easy to use, even when wearing gloves
  • Welded aluminum channels keep the cover closing evenly to make sure that the cover is fully latched
  • Fits flatbed, platform or dump trucks

Being on the top goes beyond skill and talent and those who own a truck know how important it is to have all the tools organized and easy to access to maximize productivity. Looking for the most durable, functional and efficient storage solution for your pickup truck? There's no better choice for professionals who want to command respect than the WEATHER GUARD toolbox designed to keep your tools secure and easy to access. Dress up your truck with the sleek, organized security of this top-of-the-line WEATHER GUARD toolbox that offers a woah more exclusive features and options that you've come to expect, making it easier to use, more secure, supremely durable and looking attractive. Providing an ample storage space, this box is all you need to get all the tools organized the way you want and never hear that annoying clattering coming from loose tools around in the floor of your truck.

Nothing and nobody will get in this box, from thieves to mother nature, as it features the unique tamper-resistant retracting EXTREME PROTECTION Lock which is designed and engineered to provide premium protection against weather and break-ins. This top-notch box offers a 90° cover opening mechanism to give you the convenience of quick and easy access to your valuables. The WEATHER GUARD box is equipped with gas springs and automotive-style rotary latch to assist for smooth, 'one-touch' opening. Made from the toughest materials and finished with powder coat, this supreme tool box will last you a lifetime of your truck.

Weather Guard® is a premier leader in truck and van equipment designed to conveniently organize trucks, vans and utility vehicles while maximizing ease-of-use and productivity. Weather Guard also helps protect tools and valuables from the elements and theft. The brand has the most comprehensive selection of storage equipment which is of the finest quality, most durable, reliable and safest to use. Weather Guard offers superior truck boxes, drawer units, shelving, sliding platforms, cabinets, racks, bulkheads, cab protectors, and many more. They provide a great variety of options to suit your vehicle and your every need.

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Warranty Information

Weather Guard warrants that its Products will be free from defects in material and workmanship for limited lifetime warranty from the date of purchase by the Original Purchaser. This warranty does not apply to any Products that have been subjected to misuse, mishandling, misapplication, neglect (including but not limited to improper maintenance), improper installation, or alterations.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

This part is universal

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