Tundra bull bars or guards are devices that are fitted to the front of a vehicle to protect it and its passengers from damage in a collision mainly with an animal. The Guards vary considerably in size and form, and are usually made of welded steel or aluminum tubing, and, more recently, molded polycarbonate and polyethylene materials.  Bull bars or guards are also refer to as:

Grille Guards - Protects your front end. Grille guards come in many different shapes, sizes, and colors including rugged black or smooth polished finishes.

Center Grille Guards & Bull Bars - Center grille guards and bull bars promote solid steel protection over vulnerable grille detail. Installed to protect just the middle, these guards get the job done without dominating the look of the front of the vehicle.

Most major brands of Guards offer:

• Easy bolt on application
• Comes complete with all hardware
• resists chipping
• Offer Great protection against minor impacts

Here are a few Guards  that will give your Toyota Tundra heavy duty protection:

Front Bumper Guards

Fitting neatly over the top of the bumper, the Front Bumper Guard protects the bumper from everyday bumps and scratches. Typically, made from molded plastic, it provides a stylish alternative to the traditional Bull Bar and is designed not to add undue weight and size to your vehicle.

Alloy Bar Guards

Stylish and lightweight, Alloy Bull Bars and guards are perfect for your driving requirements. The Bull Bar is engineered from rolled alloy extrusion and pressed lower panels, making it extremely strong and durable. The Alloy Bull Bar can be integrated seamlessly with your vehicle. Most Alloy Bull Bar can accommodate Driving Lights via dedicated installation points.

Steel Bar Guards

For heavier duty front-of-vehicle protection, the many Steel Bull Bar and guards are designed and engineered either as a bumper replacement or in an over bumper style, which fully integrates into your truck body with a professional fit to the chassis and allowing proper Airbag deployment. One of the more popular coatings for the Steel Bull Bar is black powder-coated for increased corrosion resistance.

For those Truck owners who want to venture off-road, mounting points for winches are provided on winch-compatible Steel Bull Bars. Many Steel Bull Bars in this range also provide mounting points for two Driving Lights and CB Aerial.

Tundrapower.com <http://www.tundrapower.com/> carries a full line of bull bars for the Toyota Tundra from most major brands.