Truck Cap Window Seal To Cab
How to Choose the Right Rubber Boot Seal
You can buy rubber boot material for your special project. This seal is extruded from resilient EPDM synthetic rubber substance and incorporates a bendable spring steel clip for fastening to any flange. This material is available by the foot. To decide how much you need measure the length encircling your cab opening. You get several choices of rubber to make use of for sealing your cabs together.
Tips for Getting the Right Fit
To specify how much you need measure the distance around your cab opening. It is essential that both openings are perfectly the matching size. Make sure to measure the opening before ordering. Every installation is different.
Why EPDM Rubber Is the Best Choice for Long-Lasting Seals
The EPDM rubber seal is designed to survive extreme conditions such as cold. It's suitable for both commercial fleets. Compared to standard seals, this material lasts longer. It's a smart investment for anyone looking to preserve their truck cab connection with a dependable sealing solution.
Truck Cap Window Seal To Cab Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Easy DIY Installation | Simple to install with basic tools | Weekend warrior friendly; ideal for personal projects |
| Made in the USA | High manufacturing standards and local support | Ideal for buyers who value American-made products |
| Audio Blow-Through Compatible | Perfect for stereo mods and custom subwoofer enclosures | Used in high-performance truck audio builds |
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 do I measure for a truck cap window seal to cab?
To install a = truck,cap,window,seal,to,cab ?>, use a flexible tape to measure the full perimeter of the opening. Add 1–2 inches for adjustment or overlap.
- Will the truck cap window seal to cab work on a walk-through truck conversion?
Yes! This is a perfect use case. The truck cap window seal to cab allows you to join the truck cab and camper shell or utility box with a weather-sealed, flexible connection.
- I am making a walk through conversion on my pickup truck to allow access in the bed. I want to to cut the wall between the cab and bed to make one continuous passenger cabin to the camper shell. I also want something that looks decent, and will last. Will the accordion boot work in this situation?
Yes, the accordion boot will work for you in this type of installation. For more details on how to create and seal a cut through go to the Cut Through FAQ page for more details
