Toyota Tundra Cap Boot
How to Choose the Right Rubber Boot Seal
You can purchase rubber boot material for your special project. This seal is extruded from robust EPDM synthetic rubber substance and incorporates a pliable spring steel clip for attaching to any flange. This material is sold by the foot. To specify how much you require measure the distance encircling your cab opening. You get several choices of rubber to use for sealing your cabs together.
Quick and Easy Installation
Installing this rubber boot is simple and requires minimal tools. Just fit the seal firmly onto the rim of the window or pass through opening. This ensures a watertight connection between the two units. Even if you're camping, this seal keeps out rain and helps temperature control during your journey.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is typically used in cab pass-through conversions. It's suitable for most full-size trucks. Whether you're installing a camper shell or building a bespoke rig, this seal offers versatile fitment and dependable performance for your cab connection project.
Toyota Tundra Cap Boot Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Embedded Steel Spring Clip | Maintains a secure grip on flanges without adhesive | Stable connection between cab and shell |
| Silicone-Friendly Seam Sealing | Easy to seal end joints with a small bead of silicone | Ensures total waterproofing where ends come together |
| Forgiving Fit | Can accommodate minor mismatches in height and width | Useful for older vehicles or hand-cut openings |
Order Form
To begin your order just enter the total amount of feet of boot material you need in the appropriate box next to the item you want to order below. Check your entries then click on the "Order Now " button.
Accordion Boot - Part Number 541

The accordion boot is designed for cabs where you take out the truck window. This product works best with fiberglass shells that are 1/8" to 3/16" thick. Please note that both openings must be exactly the same size for this boot to fit properly.

$8.95 per foot
In Stock
Order 541
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Compression Boot - Part Number 540

Use this seal when you leave the rear slider window in the truck. This product works best with fiberglass shells that are 1/8" to 3/16" thick. You will also use this boot if the opening in the fiberglass shell is much larger than the opening in your truck.

$7.95 per foot
In Stock
Order 540
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Extra Wide Accordion Boot - Part Number 543

The extra wide accordion boot is designed applications where you have a large gap between the space you want to seal. This product works best with fiberglass shells or sheet metal flange that are 1/8" to 3/16" thick. Both openings must be exactly the same size for this boot to fit properly.
$11.50 per foot
In Stock
Order 543
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Accordion Boot - Ultra Wide 10" Part Number 544

The Ultra Wide 10 Inch accordion boot is designed for very wide gaps between cabs.. This product works best with fiberglass shells that are 1/8" to 3/16" thick. Please note that both openings must be exactly the same size for this boot to fit properly.
$13.90 per foot
In Stock
Order 544
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Accordion Boot 15 - Part Number 546

The Accordion Boot 15 is designed applications where you have a large gap between the space you want to seal. This product works best with fiberglass shells or sheet metal flange that are 1/8" to 3/16" thick. Both openings must be exactly the same size for this boot to fit properly.
$16.50 per foot
In Stock
Order 546
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Compression Bulb Seal - Part Number 545

Use this seal when you leave the rear slider window in the truck. This product works best with fiberglass shells that are 1/8" to 3/16" thick. You will also use this boot if the opening in the fiberglass shell is much larger than the opening in your truck.
$8.25 per foot
In Stock
Order 545
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Frequently Asked Questions
- How is the accordion boot installed?
The boot slips into the opening between the truck cab and camper. Use clamps or sealant for a tight, weatherproof connection.
- Does the toyota tundra cap boot allow for movement between the truck and camper?
Yes, the accordion-style folds are designed to flex, allowing for some movement and vibration without breaking the seal.
- Would I need to use a silicon sealant to make sure the boot would not leak?
No, you do not need to use any additional sealant when installing the rubber boot.
