Weather Guard 125-3-01 steel gull-wing crossover truck tool box in brite white, front three-quarter studio view

Weather Guard 125 Steel Gull-Wing Truck Tool Box, Full-Size Standard, Brite White (125-3-01)

$1,192.00 $1,282.99 Save $90.99
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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.

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 125-3-01 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 gull-wing 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 this cross box lock and open?

This is an earlier-generation Weather Guard cross box with twin gull-wing lids, each using a tamper-resistant retracting EXTREME PROTECTION lock and an automotive-style rotary latch. That gives smooth one-touch opening and solid break-in protection from either side of the bed.

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 earlier-generation 125 gull-wing box, running the proven EXTREME PROTECTION retracting lock and automotive rotary latch instead of the current 1Key latch update. The heavy-duty steel body, twin gull-wing lids, weather seal and no-drill mounting are the same trusted design, so you get the same everyday performance at a lower, value price.

What is it made of and how big is it?

This earlier-generation gull-wing box is heavy-duty formed steel under a brite white ARMOR TUF powder coat. It measures 72"L x 21"W x 18-1/2"H, holds 11.3ft³ split between twin lids, and ships at about 122 lb, so it brings solid steel strength at a value price.