Weather Guard 127 Aluminum Crossover Truck Tool Box, Full-Size Standard, Gunmetal Gray (127-6-04)

$1,340.00 Regular price $1,845.99 Save $505.99
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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.

How the 1Key UltraLock System Works

A step-by-step look from Weather Guard at what the 1Key UltraLock actually does: how the cylinder accepts a new code, why the red push button retracts when the box is locked, and how the latch pulls the lid down against the seal. Worth two minutes before you set the box up.

How to Code Your 1Key UltraLock Lock

Weather Guard's official walkthrough for coding the lock so this box opens with the same key as the rest of your Weather Guard boxes. Follow it once when the box arrives and you can stop carrying a separate key for every lid on the 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.

How the 1Key UltraLock System Works

A step-by-step look from Weather Guard at what the 1Key UltraLock actually does: how the cylinder accepts a new code, why the red push button retracts when the box is locked, and how the latch pulls the lid down against the seal. Worth two minutes before you set the box up.

How to Code Your 1Key UltraLock Lock

Weather Guard's official walkthrough for coding the lock so this box opens with the same key as the rest of your Weather Guard boxes. Follow it once when the box arrives and you can stop carrying a separate key for every lid on the truck.

Frequently Asked Questions

Straight answers on specs, fit and support

Will the 127-6-04 fit my truck?

It is a full-size standard 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 secure is this Weather Guard box?

It uses the Weather Guard 1Key UltraLock system with tamper-resistant push-button locks that sit recessed when locked, so you get a quick visual cue your gear is secured. The 1Key design also lets you code multiple boxes on a truck or a whole fleet to a single key.

Is the gunmetal gray finish durable outdoors?

Yes. The gunmetal gray ARMOR TUF powder coat resists corrosion, fading and road salt, and the full-perimeter D-shaped weather seal keeps water and dust off your gear. The mid-tone graphite color also hides dust and light grime between washes.

What does the gunmetal gray finish look like in person?

Gunmetal gray is a dark graphite tone, deeper than silver but lighter than black, with a subtle metallic look under sunlight. It is a distinctive, modern finish that pairs well with both light and dark trucks and hides dust between washes.

What is it made of and how big is it?

It is built from 15-gauge aluminum in a five-piece welded body with a gunmetal gray ARMOR TUF powder coat. The exterior measures 72"L x 20"W x 18"H with 11.0ft³ of storage, and it ships at about 80 lb, so it is strong yet lighter than a comparable steel box.

What our customers say

4.9 · 272 reviews

Photos from owners

+13
foots Verified
10/07/2026

well built and easily installed.

Robert Verified
09/25/2026

Great Toolbox

Great box! Will fit perfectly for what I need.

Jcates Verified
09/20/2026

Will do the job well, very heavy duty! Fits great.

Great heavy duty box.

Alfredo Verified
08/26/2026

Tool box

Really good tool box

Anonymous
06/19/2026

Best tool box ever

The best money I have ever spent on a live time tool box súper tough and good looking box awesome all the way around. It will last me to the day I died pure quality I love it

HomeDepotCustomer Verified
08/21/2026

Beautiful, solid toolbox

Tony Belcher Verified
08/05/2026

Worth the money

Nice well built sturdy tool box,definitely worth the extra money.

Hammonds Verified
06/25/2026

Perfect tool box for industrial setting

Purchased this for one of our company vehicles and have been very satisfied with it. Its well built and stylish.Would purchase again.

JohnKon
09/25/2025

New Tool Box

Love the new matte black and textured paint. Overall, good box, but not built like they use to be. You can see where Weather Guard has tried to save money compared to their older boxes. I really like the tackle box added feature. An issue I’m having is the front part box lid sits about a half inch higher than the rear of the lid and the latches are not adjustable. The slidable try started flaking paint before I even installed it into the box. It’s a good box, but not worth the money.

Mike D Verified
06/16/2026

Programmable locks great feature

Good quality of construction!

Anonymous
08/27/2025

Good

The lid sometimes is hard to close won’t latch other then that it’s a great tool box

JACK Verified
05/16/2026

I will never purchase any other truck box again the...

I will never purchase any other truck box again the installation was beyond easy and it is for sure durable

Kasper69 Verified
04/15/2026

Built well and made to last

Very durable box. Definitely the best I've seen or owned.

Ryan W Verified
03/27/2026

Great Toolbox

Great toolbox and great quality which Weather Guard is known for. I had had no issues with the toolbox. It's a great product which I was expecting from Weather Guard.

JohnandDalen Verified
03/19/2026

Expensive but worth it

I am very satisfied with this box. It seems to be built sturdier any of the others.

Anonymous
08/11/2025

Weather Guard Tool Box In my opinion it’s the best

Excellent workmanship High quality product Extremely Durable

T person Verified
03/05/2026

Weather guard box

The latches and locks and the box is very high quality.

Ed b
06/11/2026

New toolboxes locks are trash

I bought this tool box A month ago and I hate the new lock system they have. It isn't like the old ones where the lock pushes in and is flush. Either someone tried to get in and broke off one side of it fell off

J201 Verified
02/28/2026

This is a well built box that looks great.

This is a well built box that looks great.

Peter Verified
02/10/2026

Quality

Excellent quality on this tool box. I would recommend it for sure !

HomeDepotCustomer Verified
02/04/2026

I really like the gray color on my truck. the install process was very easy and I love the locking system.

SRW800
08/07/2026

Fantastic product

I love my weather guard tool box it’s well built and I put the lights inside of it so it doesn’t matter what time of day it is I can see and get what I need. my favorite thing about this box is it’s so big I can fit my straps my tools and a floor jack all in this one tool box and it actually supports the weight i can literally stand in the lid and it will not damage or bend anything this is the best tool box iv ever owned

JOSHUA Verified
12/26/2025

Easy to put on the truck, fit great. Awesome tool...

Easy to put on the truck, fit great. Awesome tool box

Ryan Verified
11/19/2025

Well designed truck box. Couldn’t be happier....

Well designed truck box. Couldn’t be happier.

leander Verified
11/14/2025

Good box

Good box

dedo Verified
11/14/2025

Weatherguard Truck Tool Box

This is my first truck tool box and it has been great. Easy install, good capacity, great locks and you can open from either side of the truck. This model sits up off of the truck bed so lumber etc. can slide underneath with no problem. I would highly recommend.

Anonymous
02/28/2025

Nice finish

Love this tool box. Easy open buttons, very strong and well built.

Zack W Verified
10/22/2025

Very good quality! The thickness of metal is good

Very fine product! The thickness of metal is perfect

Gil Verified
10/14/2025

Nice in-between size for a short bed. Easy to install...

Nice in-between size for a short bed. Easy to install and looks to have good water tight seals.

njdan
07/09/2025

bad quality

I just purchased this box. The opening side of the lid doesnt go down far enough( approximately 1/2 to 3/4 in). How can i adjust this? I tried to work wit them but No support. Should have never left factory this way. Will be returning

Jburns1987 Verified
10/01/2025

Great Investment

Great toolbo.. Very good seal and plenty of room inside!

Cavan Verified
09/18/2025

Everything I needed in a tool box. ...

Everything I needed in a tool box.

Jireh
08/04/2026

Excellent toolbox

Fit perfectly on my Ram 2500 and is good quality and durable

Chuck Verified
09/14/2025

The toolbox perfectly fit my truck bed and the double sided locks/handles make it convenie

The toolbox perfectly fit my truck bed and the double sided locks/handles make it convenient to access from either side of the truck. Would definitely buy again!

NP9994 Verified
08/19/2025

High Quality

Bought this tool box to mount into a 2021 Chevrolet 3500 HD Standard Box. Fit was perfect and install was a breeze with the included hardware. The locking system is very easy to use, and the lid closes without having to slam it shut.

Donrnels Verified
08/01/2025

Easy to install, lightweight and sturdy. Gets the job...

Easy to install, lightweight and sturdy. Gets the job done and keeps my gear safe.

Doc Verified
07/22/2025

I have a Chevy 2500Hd Crew Cab pick-up that I bought used. It had another brand relatively

I have a Chevy 2500Hd Crew Cab pick-up that I bought used. It had another brand relatively new tool box on it that did not fair well from use, so I replaced it with this Weatherguard. What a difference between the two! The weatherguard is light years ahead in strength and quality and made in the USA. The materials, construction and finish are first rate. The locking system is strong as heck, like your car door and looks nearly impossible to be forced open. I was very impressed with the large bearing area of the mounting brackets (included ) and quality bolts. The system securely fastens the box to your truck bed so you won't have to worry about a heavily loaded box walking around while driving. They recommend using a little lubricant on the mounting bolts to ease installation because the brackets have locknuts in them. I definitely agree you should follow that tip to save some busted…

RayRay
06/23/2026

You get what you pay for!

The build quality and finish are great. It is worth the extra money!

Doboy5150 Verified
07/09/2025

Buy Weatherguard here

Don’t buy Weatherguard boxes anywhere else thanTSC. I got a great deal, on sale, and superior quality compared to HD/Lowe’s. Thank you TSC

Bill Verified
06/20/2025

Excellent toolbox and easy to install....

Excellent toolbox and easy to install.

Nuke 64 Verified
06/10/2025

Great features

Strong and sturdy box would recommend this to anyone.

contractor71
05/26/2026

Not same quality as previous models

Quality is not the same as previous model. Toll tray has no dividers and doesn't have level holding brackets, plastic organizing box mounted box. locking mechanism not as well made and the key is huge. Not the same box as in the past.

Trevor Verified
06/06/2025

Good quality tool box worth the extra money to get...

Good quality tool box worth the extra money to get something that will last

Willr243
04/02/2026

Love this!!!

This box was made to last! The box is light weight and extremely easy to install. There's ample room for my tools and my first-aid supplies. I'm impressed with the amount of room and the sturdiness of it all!

TruckTruck Verified
06/02/2025

Very good

Excellent tool box. Even comes with a little plastic box for miscellaneous small stuff. And a sliding shelf that anchors on to either side.

maintenance mechanic Verified
06/01/2025

needed more room

A little pricey but well worth the money. Love all the room and the locking system.

Nate Verified
04/24/2025

Wonderful tool box! I would recommend it to anyone. ...

Wonderful tool box! I would recommend it to anyone.

racetruck24 Verified
01/21/2025

Easy opening, protects my tools & LOOKS GREAT!!!

I brought this so I didn't need a cover for my pick-up. Perfect for all my hand & Power tools. It also matches my pick-up truck--BLACK.

Ross J Verified
04/14/2026

Good tool box.

Good tool box. I have a bit larger one I bought years ago from same store, same brand that was a little more money but alot heavier Guage metal and just tougher. Would if liked to have that one again.

Dominic51 Verified
12/26/2024

Weather guard toolbox

Overall a great product with great durability and strength to handle the weight and abuse that it takes on a daily basis

Anthony Verified
11/25/2024

The only complaint I have with the saddle box itself...

The only complaint I have with the saddle box itself is that not all the shelf dividers for the red shelf were not all there. I was missing 2 out of the 4 dividers. Really no issue with shipping. Overall I would buy again even with the missing dividers.

Corey25 Verified
05/14/2026

Well built truck toolbox that will last for many different trucks

Bought this tool box about a month ago and love it. Decided to spend the extra money on a weatherguard box and I am very happy I did. I went through many other brand of truck toolboxes. This box was built to last. I have it full of tools, straps, chains, hitches, etc. Well built box and looks great.

C Larson Verified
11/08/2025

Excellent box.

This is a great tool box. But if you have a GMC or Chevy with bed view camera the box will block the view.

Jimb272 Verified
08/11/2025

Worth the money

This is a very good box. I would not hesitate to buy it again. It fits like a glove on my 2019 F150 and it comes with every to attach it to the truck. Very well made box!!

John255 Verified
02/15/2025

BEST TOOLBOX ON THE MARKET( WORTH EVERY DOLLAR)

Iv had a lot of tool boxes, but this one is the best! This tool box is great! There’s so much room inside the box, which allows me to fit all my tools inside. Others may say the tool box is a bit pricey. But the tool box is worth every dollar! This tool box is way above its class!

DIYer Verified
01/30/2025

Toolbox is great quality and just from looking at it you can tell it’s tough. It is on the

Toolbox is great quality and just from looking at it you can tell it’s tough. It is on the more expensive side for toolboxes but it is totally worth the money.

Dodgehunter Verified
11/17/2024

This a great box. Very well built and worth the money. I would have to buy 2 or 3 less qua

This a great box. Very well built and worth the money. I would have to buy 2 or 3 less quality boxes over the lifetime of this single well built Box. I other boxes seem like the quality of a mailbox. I will likely go through 2 or 3 vehicles before I have to replace this product. As I can tell, I highly recommend the product.

HNdymanFW
12/19/2025

Very well designed

For once, the engineers listened to the user. This is a well designed truck toolbox. Easy to mount with the included hardware. Looks awesome-started getting questions and compliments the first day it was mounted! Sturdy integrated tie down points that are reinforced. Smooth operating hardware. A good stiff lid thats easy to latch from the side. And there are some great add ons that take it up another level-remote lid popper and automatic LED lights can easily be added. And all of the hardware comes powder coated red to match the box.

Anonymous
11/05/2025

Truck box best quality for the $

Very happy with this product i Shopped around and couldn't find the quality is the of weatherguard anywhere else

Jamie R Verified
08/24/2026

Great box, so-so lock function

Very well build toolbox, but locks are not awesome. I can't say enough about how well built the structure is, it's like a tank and I expect it will last me for quite a long time. There isn't anything to complain about as far as the box function goes. My only issue is the locks. When you get it the keys are there but the actual locks aren't set and you do this by turning the new key 3/4 of a turn which sets the pattern, which is nice since you can key any new boxes to the keys you currently have. My only issue is the locks are very sloppy and you can feel it grating inside when you turn the key. My passenger side lock is decent but the driver side lock is very catchy and I have concerns that it'll last very long (or cause the key to eventually break).

Aeng Verified
05/22/2026

Weather guard saddle box

Well built although the box did not include the small parts organizer and level hooks previously included with this item. New locks require a much longer key than older models which is bulky on key rings

G Reid Verified
01/13/2026

Shipping damage

Inspect the product before leaving for any hidden damage Box is great just had some shipping damage to the lid it was easily removed using a dead blow hammer

Sprinkles Verified
11/22/2025

Easy fit and looks great in my f- 250...

Easy fit and looks great in my f- 250 Super Duty

Hoofing4P2 Verified
11/09/2025

Toolbox

Have to make a few adjustments with the locking but other then that the box is big enough to hold all the tools needed.

Precision Verified
11/02/2025

Great box but ...

Awesome construction and quality. Only issue I am having is the latches for the lid won’t catch and lock. It takes several attempts to get the lid to close and stay closed

JEFFREY Verified
09/13/2025

Only issue is difficulty closing. May be operator error. I...

Only issue is difficulty closing. May be operator error. I do wish I could have gotten this unit wit gull wing lids.

Leather Berries Verified
12/12/2024

Awful installation process

The installation process is an awful procedure! Other than that it is an awesome box!

LostFarmer Verified
11/15/2024

I was really looking for a high quality low profile, extra deep toolbox for my 2018 GMC 35

I was really looking for a high quality low profile, extra deep toolbox for my 2018 GMC 3500 but wasn't able to find one that met my criteria and quality expectations. While not low profile, this toolbox is definitely high quality and I appreciate the ease with which you can lock and unlock. I'd buy it again even though it wasn't exactly what I was looking for.