Weather Guard 116 Steel Crossover Truck Tool Box, Full-Size Extra-Wide, Brite White (116-3-03)

$1,229.00 Regular price $1,319.99 Save $90.99
Freight shippingCalculated at checkout Only 1 leftIn stock now  Estimated delivery

Free gift included with your order

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Prestige Truck customer support

Questions or a custom quote?

Mon to Fri, 9am to 5pm EST

See it on a truck

Weather Guard Truck Box Hardware Installation Guide

Weather Guard's official hardware video zooms in on the clamp and bolt kit that secures its truck boxes to the bed rails without drilling. It is a helpful close-up companion to the full box install and shows how the mounting brackets hook under the rail lip and tighten down. Use it alongside the printed instructions that ship with the box.

Weather Guard Truck Box Lineup and 1Key UltraLock

This official Weather Guard overview tours the current truck box lineup and the 1Key UltraLock security system that runs across it. You see how one coded key can open every Weather Guard box on the truck, from saddle to lo-side to hi-side, with a pop-up red button that tells you at a glance whether a box is locked. It highlights the sloped, reinforced lids and the ARMOR TUF powder coat that let these boxes shrug off weather and jobsite abuse. If you run more than one box, or a whole fleet, it shows why keying everything alike saves time every day.

How to Replace the Lid on a Saddle Truck Box

Weather Guard's step-by-step guide to taking the lid off a saddle truck box and fitting a replacement. It covers the hinge and strut hardware that carries the lid, which is the part that takes the abuse on a box that gets opened twenty times a day. Keep it bookmarked rather than watching it now. It is the reference you want the day a lid gets damaged on the job, and it comes straight from the manufacturer so the hardware and the sequence are correct.

Weather Guard Truck Box Hardware Installation Guide

Weather Guard's official hardware video zooms in on the clamp and bolt kit that secures its truck boxes to the bed rails without drilling. It is a helpful close-up companion to the full box install and shows how the mounting brackets hook under the rail lip and tighten down. Use it alongside the printed instructions that ship with the box.

Weather Guard Truck Box Lineup and 1Key UltraLock

This official Weather Guard overview tours the current truck box lineup and the 1Key UltraLock security system that runs across it. You see how one coded key can open every Weather Guard box on the truck, from saddle to lo-side to hi-side, with a pop-up red button that tells you at a glance whether a box is locked. It highlights the sloped, reinforced lids and the ARMOR TUF powder coat that let these boxes shrug off weather and jobsite abuse. If you run more than one box, or a whole fleet, it shows why keying everything alike saves time every day.

How to Replace the Lid on a Saddle Truck Box

Weather Guard's step-by-step guide to taking the lid off a saddle truck box and fitting a replacement. It covers the hinge and strut hardware that carries the lid, which is the part that takes the abuse on a box that gets opened twenty times a day. Keep it bookmarked rather than watching it now. It is the reference you want the day a lid gets damaged on the job, and it comes straight from the manufacturer so the hardware and the sequence are correct.

Frequently Asked Questions

Straight answers on specs, fit and support

Will the 116-3-03 fit my truck?

It is a full-size extra-wide crossover, or saddle, box that mounts across the top bed rails behind the cab, so it fits full-size pickups such as the F-150, Silverado and Sierra 1500 through 3500, Ram 1500 through 3500, Tundra and Titan. It needs about 72" of rail-to-rail width. Measure your bed rails and check clearance behind the cab first, and note it is not designed for compact or mid-size trucks.

Does it require drilling to install?

No. The box ships with under-rail clamps and hardware, so it mounts without drilling into your truck. Most installs take about 20 to 30 minutes and go easiest with two people to lift and hold the box while you clamp it down.

How does the lock on this saddle box work?

This earlier-generation saddle box uses a One Key push-button high-security lock. Press the button to release the lid, and the keyed cylinder lets you code several boxes on one truck, or an entire fleet, to a single key. It is PowerSync capable as well, so it pairs with Weather Guard interior lights and remote keyless entry accessories.

Does the white finish stay clean and hold up over time?

It holds up well. The brite white ARMOR TUF powder coat is baked on to fight rust, chipping and yellowing, and the full-perimeter D-shaped seal keeps water out of the box. White does pick up road grime faster than a dark box, but a quick wipe brings it back, and the light color reflects heat to keep tools cooler inside.

Is this an earlier-generation box, and why does it cost less than the current model?

Yes. This is the previous-generation 116 saddle box, built around the proven One Key push-button high-security lock and PowerSync wiring instead of the newer 1Key UltraLock hardware on the current version. The heavy-duty steel body, full-perimeter weather seal and no-drill mounting are the same rugged design, so you get the same everyday performance at a lower, value price.

What is it made of and how big is it?

This previous-generation box is heavy-duty formed steel under a brite white ARMOR TUF powder coat. It measures 72"L x 27-1/2"W x 18-1/2"H, holds 14.5ft³, and ships at about 147.96 lb, so it brings serious steel strength at a value price.

What our customers say

4.7 · 37 reviews

Photos from owners

+3
Annon Verified
10/27/2025

Sturdy. Light weight and easy to install. Has held up...

Sturdy. Light weight and easy to install. Has held up well off roading. More interior space than I expected.

JOHN Verified
08/15/2025

Fits great in my Ram pickup. Looks good keeps everything...

Fits great in my Ram pickup. Looks good keeps everything safe and dry.

Kitchen Faucet is now on Verified
07/18/2025

This is the second box from Weather Guard that I...

This is the second box from Weather Guard that I have purchased in my lifetime and I have been more than happy with both boxes. Weather Guard workboxes are Numero Uno!!!

Tyrone H. Verified
07/07/2025

Toolbox

I have not received it yet

LightBlueOval
01/13/2026

Perfect Fit

This is my first saddle box: with a single 'chest-type' hinged top door. My previous work trucks equipped with cross-bed tool boxes always had gull-wing top doors. The large top door on this box gives good access to a huge storage space, and the latches close securely with a positive click by merely pressing firmly in either back corner of the lid. Even minus 30* temps and 12" of snow, this box remains dry and weather-tight. The paint finish is very good; one corner of the lid got nicked, repaired with sandpaper and white nail polish ;-) The keyed-alike locks work perfectly and the hooks on the back of the box are quite handy for securing larger loads like furniture. Overall this toolbox has met and exceeded all my requirements. Further, l expect it will serve me well into the future.

Contractor Verified
04/01/2025

Hands down the best made truck box ...

Hands down the best made truck box

Ronyron Verified
01/09/2025

It has two tie down loops attached to front which was good cause I lost two tie downs by a

It has two tie down loops attached to front which was good cause I lost two tie downs by attaching toolbox over them.it is a big heavy steel box which fits alot of my tools .just very expensive. But you get what u pay 4

Mark Verified
12/27/2024

Length, width and depth were just as advertised. Locking mechanism,...

Length, width and depth were just as advertised. Locking mechanism, fit & finish, all Weather Guard Quality!

Ken R. Verified
12/26/2024

Not overly impressed

Does not come with carpet or a lining. Does not come with foam for the bed rails. I needed a box that has side lock buttons. Decided on the weather guard based on a had one years ago and it was awesome. Quality of this one for the money spent just isn’t worth it.

Bogger68 Verified
08/16/2025

Solid Tool Box

Solid Tool Box

Lewismug
08/08/2024

Best toolbox I've ever owned.

This toolbox really surprised me. I expected the lid to be flimsy like most toolboxes, but when you push down on one corner to close it, both sides latch. I weigh 250 lbs and can stand on the lid, hop up and down, and it doesn't give at all. The powdercoat is tough and cleans up really well. If you want a secure toolbox that will hold up to thrives and look great, buy this.

DAXTON Verified
11/12/2025

Installing process was super easy, the white box matches my white work truck great, and has a TON of room!

LOREN Verified
09/07/2025

The toolbox is well constructed, easy to install and has...

The toolbox is well constructed, easy to install and has so much room in it!

MICHAEL Verified
08/12/2025

Fits our needs perfect. We are very happy with it....

Fits our needs perfect. We are very happy with it.

RAMON Verified
07/19/2025

Great tool box overall. Definitely has lots of space. Easy...

Great tool box overall. Definitely has lots of space. Easy to install. By far the best investment for the work truck!!!

JARED
02/14/2025

Big box

This box is the best For the price will last forever if u take care of it.

Hisnandez Verified
07/13/2025

Best box out there ...

Best box out there

Robert V. Verified
06/11/2025

HORRIBLE CUSTOMER SERVICE

Item was packaged incorrectly. Spoke with customer service, said no problem - started a return. Then denied return becasue it shipped freight???? It's the WRONG part in the box!!!

HomeDepotCustomer Verified
07/12/2025

Fit well in 2018 Chevrolet Silverado 1500 6' bed. Plenty...

Fit well in 2018 Chevrolet Silverado 1500 6' bed. Plenty of space. Fits DeWalt one latch tool boxes inside. Install was simple. Delivery went smoothly too. The finish on the box is nice too. The tray included was handy. The locking mechanism work without any issues. Great upgrade to plastic yellow top storage boxes.

JAMES Verified
05/29/2025

Nice tool box...

Nice tool box

Aliesha Verified
02/18/2025

Great toolbox! Lots of room to store important items. The...

Great toolbox! Lots of room to store important items. The only thing we did not pay attention to when purchasing was that it is a very wide box. In a regular or short bed truck, this will not allow the ladders to reach the headache rack with the legs touching the bottom of the bed. But that's okay!

JD 13
01/06/2026

Theft Protection

After being hit by thieves twice it has become apparent that thieves are now collecting Weatherguard keys. Both times access was gained without forced entry. Consequently this renders the box useless for tool security. I suggest a different box or adding additional hasps and locks.

HomeDepotCustomer Verified
02/03/2025

The strength and build of this box is very good....

The strength and build of this box is very good. No trouble with the install other than trying to reach the mounting hole closest to the cab of the truck. I hadTo use the two furthest away from the cab. I bought a rubber floor pad to line the bottom so cargo would not bounce around.

Cat25 Verified
01/13/2025

Very easy fast ...

Very easy fast

Brenda M Verified
11/06/2024

This toolbox is beautiful and was delivered quickly.

MarcJar Verified
10/30/2024

Everything I needed and more. It's a big box and...

Everything I needed and more. It's a big box and looks great!

Joebrown
08/29/2024

Great spacious truck box

Was pleasantly surprised at this Great spacious box.........................................................................;…....... ........ ...

Craig Verified
10/22/2024

Works like a champ. Plenty of storage. ...

Works like a champ. Plenty of storage.

Dave2 Verified
09/12/2024

It is a great toolbox I'd recommend It to a...

It is a great toolbox I'd recommend It to a friend

HomeDepotCustomer Verified
04/23/2024

Unit came without blemish and exactly as ordered.

Martha Verified
07/05/2024

We have had 3 of these in our life. We bought the first one about 15 years ago. We are a c

We have had 3 of these in our life. We bought the first one about 15 years ago. We are a construction worker and it gets MAJOR use. Our first one needs a new latch and new shock absorber on one side. Not sure how to get that replaced. Bought our second one a year ago and 3rd one a month ago for our employee. We like that its BIG, holds a lot of tools and doesnt rust out. 4 star only because the welds broke on the 15 year old because the latch broke, the welds broke on back hinge and shock absorbers wore out. And its hard to get parts... actually, we havent figured out how to get replacement parts. But again, ours gets MAJOR use. so its the cadilac for average usage.

Anonymous
06/05/2024

Full size saddle box

This box is well worth the money. The only problem is I live in NJ and we get a lot of rain. The bed box got rust in the right rear corner where the weather striping did not full protect.

LightBlueOval
11/21/2025

You Get What You Pay For

This box was easily double the price of the "bargain brands" but the quality, craftsmanship and finish details are worth every penny. The full-length lid clicks shut securely from either side. Of course the storage space is gigantic. I worked construction for 21 years and used 3 different non-name-brand boxes, on 2 different trucks. This is the box I saw on some of the nicer contractors' trucks. Now I know why...Anyhow, I got what I wanted. Also, I got what I paid for: the nicest cross-bed tool box on the market. Don't forget the lifetime warranty. Yeah, you definitely get what you pay for with Weather Guard.

Papa
10/14/2025

Only toolbox you’ll ever need

I’ve had my steel Weatherguard tool box for almost 6 years now and no complaints. Lifetime warranty on it. Called them up with the serial number and model number and am shipping out new shocks free of charge to me. Actually get a person on the line that speaks English

DWETZ
02/20/2025

BEST BOX ON THE MARKET !!!

I carry allot of expensive tools and this is the most secure box I have ever used, It is waterproof and dustproof . The mounting system works great, High quallity

My nickname is too short
10/06/2024

Camping storage

It's perfect . Exactly what I wanted

Retired
01/27/2026

Heavy Duty But Expensive

Purchased for my F250 which will solely be used for travel trailer towing. The extra wide tool box is perfect for storing miscellaneous tools and trailer set up equipment. It's obviously designed and manufactured as a heavy duty unit for the working person which can be expected to use and abuse the box in the course of their trade. I like the fact that it has a flat to satin black finish (and not a high gloss finish as advertised). The reason for the 4 star review is the powder coat actually has some paint runs, some metal panels are slightly warped / bowed, and some other finish imperfections. Was hoping the surface finished quality was better as it goes on a brand new truck, but again, this is for the working person (not an old retired one like me). For the expensive price of the box, the finish could of, and should of, been better.