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MillerCAT Corp

MILLERCAT 2007-2021 Toyota Tundra 4x4/2008-2022 Sequoia 4x4 Cat Shield™

MILLERCAT 2007-2021 Toyota Tundra 4x4/2008-2022 Sequoia 4x4 Cat Shield™

56 total reviews

Regular price $520.00 USD
Regular price Sale price $520.00 USD
Sale Sold out
Shipping calculated at checkout.

Protect your Toyota Tundra 4x4 and Sequoia 4x4 with our Cat Shield™. Our three piece design is a drill-less installation that provides the best deterrence on the market. Our shield will work with TRD Skid Plates. The 3/16" aluminum offers the highest level of protection (settle for nothing thinner) and weight savings versus other metals for your Tundra. We look at every detail of our products to make sure you are protected! 

Cat Shield Metal Material: 3/16" Premium Grade 5052 Aluminum 

Add-On Options: 

Rear Wing Add-onThe installation of the Rear Shield (x2) add-on provides complete protection for all four converters for your 2018-2021 Toyota Tundra 4x4.

AVK TOOL Add-On : This tool will help with the installation of your 2007-2021 Toyota Tundra Cat Shield so you will no longer need to raise the transmission for installation. This tool is not meant to be used for multiple products as it will lose it's effectiveness after every installation.

 - We use tamper-proof screws in all our mounting points. 

- Our shield wings are installed with tamper-proof screws that are recessed in the shield so that no one can remove the wings by cutting off the screw head. 

- Our shield is thick enough to act as a skid plate and protect your vehicle from rocks and debris. 

Our Fitment Commitment:

There are hundreds of variations of Tundras and Sequoias that this product may fit. While we do our best to test and verify every model, it is impossible to know for sure. We guarantee that if our shield does not fit (and you purchased the right shield for your vehicle), we will give a full refund and return shipping on the product. If you ever have any issue, take a picture of it, contact us, and we will do our best to help you out. 


- If there are any lift kit modifications made to the cross member of your vehicle, our Cat Shield may not be compatible. Please send a photo to to confirm fitment.

REQUIRED TOOLS FOR INSTALLATION. Rivet Nut Tool with M6 Mandrel/Head, 1/4" bit driver, 12mm open wrench. Installation Guide

*Professional installation recommended.

Product may come with surface imperfections. 


Free Shipping Info

Free shipping is available to the lower 48 States. Does not include PO Boxes. Orders may take 1-2 business days to fulfilll.

Expedited Shipping Info

Customers who need their products right away may want to pay for expedited shipping. Here are a few things to consider when choosing a faster shipping method.

- Miller CAT provides the option for faster shipping but is only a pass through for any charges. We do not make any money off of this service.

- When calculating your possible receive date, please remember that shipping services do not ship on weekends or holidays and that orders received after 1:00pm PST cannot be guaranteed to ship that day.

- Due to COVID and high volume of shipments, carriers are not always able to meet their target shipping times. Please understand we have no control over shipment tracking or times after the product leaves our facilities. 

- If you live in California or the West Coast, you may not need that expedited shipping. UPS ground can reach your destination in one to two days. 

International Purchases

If you wish to make an international purchase please contact us at By default we only ship to a few international destinations. Please be aware that there may be significant fees for you (the buyer) must pay when you receive the product.

Value Added Taxes (VAT) and import duties are some of the fees that your country will impose on your purchase. We do not know what these fees are and they are solely managed and determined by your customs office.

Warranty Information

We have a 90 day manufacturers warranty against defects from the manufacturing process. This covers issues that prevent the proper installation or performance of the product. 

Cosmetic imperfections that occur either from the manufacturing or shipping process are not covered. We do not manufacture a cosmetic product or ones designed for show. Any undercar product will quickly have scratches and scuffs due to the location of the product and proximity to the road. Click here to find out more about the manufacturing process and what you might expect from your product.

We do NOT guarantee our product against theft. Cat Shields are a deterrence device that is meant to discourage theft and/or make it more difficult for thieves to steal your converter. Given the right tools, technique or time, a thief can still take your converter. However, by having a shield, you are significantly increasing your protection against theft. Similar to a car or home alarm, you are making thieves second guess themselves and consider moving onto another target. Deterrence works and we have countless customer accounts and video evidence that converter theft stopped (for those with repeated theft) or thieves looked and moved on to other vehicles. 


There is a 30 day return policy window for unused products. Please visit this link for more information.

*We do ask that customers carefully make their purchases and reduce the possibility of returns as much as possible. Help us reduce the carbon footprint of these shields as they are large and expensive to ship.

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Customer Reviews

Based on 56 reviews
Laura W.
Excellent Customer Service

I got my CatShield in perfect timing. Great Experience!

Neal Cherry
Well Pleased

I received the product in a timely manner and was satisfied with its quality. Instructions were easy to follow and installation was a breeze. It all fulfilled expectations.

Millercat purchase

great build for the main components and side shields. be very careful handling the product for first time...very sharp edges...razor sharp. need to take a deburring tool or file to soften the edges.
also, i purchased the optional rear shields....not very impressed, perfect fit, however, no where near the same thickness like the main shield. very thin. i would have paid a bit more, and preferred, for them to be the same thickness as the rest. once you install them, give them small strikes with your hand or fist....they will rattle with vibration. you will need to find the sources of vibration and "pad" them with rubber or some sort of other vibration dampener.
for the 2018 Tundra 4x4 set up...i did NOT have to raise the tranny to install the rivnut. i found on Amazon a set of rivnut tools designed for tight spaces, "HIFESON Hand Rivet Nut Tool,Handy Rivnut Tool - Metric & SAE with 30pcs Steel Rivet Nuts,Rivet Nut Kit with Sturdy Case Packed, Designed for Tight Space", only had to drop the small metal shield under the transfer to allow access to the hole suggested for the rivnut problem took approx one minute to install...done!

Charles Farris
Well made product - I'm happy with it... one quibble...

A bit more expensive than competitors but it's a high quality product. I really appreciate the security bolts to deter thieves from trying to remove the shield. I do see this as a deterrent - given time, a thief can usually get thru locks/chains/shields, etc. My expectation is that it will keep my vehicle secure when I'm at the grocery for an hour or two.

My only complaint is with the 4x4 instructions. To get the rivet nut in, the 1st step suggests raising the transmission and transfer case. No - I'm not going to that extreme to install a cat shield. I realized that I can devise a jig out of a small bar and M6 bolt to seat the rivet nut between the frame and transfer case without having to raise them. Then I found out that MillerCat sells this jig. IMO, it should be included with the package. I find the suggestion to raise the transfer case & tranny a bit ludicrous and shouldn't be documented at all.

Shawn Lashbrook
Millercat is the way to go.

Quality product. Easy installation. Great theft deterrent. Would recommend.