Cab Shell Seal
How to Choose the Right Rubber Boot Seal
You can get rubber boot material for your special project. This seal is extruded from durable EPDM synthetic rubber compound and contains a flexible spring steel clip for fastening to any flange. This material is available by the foot. To determine how much you need measure the length around your cab opening. You have several alternatives of rubber to make use of for sealing your cabs together.
Tips for Getting the Right Fit
To ascertain how much you require measure the length around your cab opening. It is important that both openings are precisely the same size. Make sure to measure the opening before ordering. Every installation is unique.
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 repairing a camper shell or building a bespoke rig, this seal offers versatile fitment and dependable performance for your cab connection project.
Cab Shell Seal Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Audio Blow-Through Compatible | Perfect for stereo mods and custom subwoofer enclosures | Used in high-performance truck audio builds |
| EPDM Sponge Rubber Construction | Flexible, resilient seal that withstands weather and aging | Ideal for trucks, RVs, and sleeper cabs exposed to elements |
| Easy DIY Installation | Simple to install with basic tools | Weekend warrior friendly; ideal for personal projects |
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
- Do I need glue to install the accordion boot?
The rubber boot does not require glue for installation. It has a spring clip embedded in the rubber. When the boot is placed over a flange, the clip squeezes the rubber securely. The only optional gluing is at the seam using cyanoacrylate (SuperGlue). Avoid petroleum-based adhesives like rubber cement.
- I`m about to put a a fiberglass shell on the back of my truck and I`m taking out the back window. I think the fiberglass shell opening is a bigger than the the back window of the truck. will the Accordion Boot or Compression Boot Gasket Material work?
In order for the accordion boot to work in your application both opening must be the exact size. If the opening in the fiberglass shell is smaller you have the option of resizing the opening to fit your rear window opening. If the opening in the fiberglass shell is bigger than the opening in your truck's window opening you are limited to using the compression boot.
- 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
