Semi Truck Boot
How to Choose the Right Rubber Boot Seal
You can obtain rubber boot material for your special project. This seal is extruded from tough EPDM synthetic rubber compound and contains a bendable spring steel clip for affixing to any flange. This material is available by the foot. To specify how much you require measure the length encircling your cab opening. You get three choices of rubber to apply for sealing your cabs together.
Quick and Easy Installation
Installing this rubber boot is easy and can be done with few tools. Just attach the seal tightly onto the edge of the window or pass through opening. This forms a tight connection between the two units. Even if you're traveling, this seal prevents wind and maintains interior comfort during your journey.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is widely used in cab pass-through conversions. It's suitable for most light-duty trucks. Whether you're repairing a camper shell or building a DIY rig, this seal offers flexible fitment and dependable performance for your cab connection project.
Semi Truck Boot 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 |
| U-Channel Orientation Consistency | Both U-shaped edges face the same way for easier installation | Helps avoid confusion during install, especially for beginners |
| 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
- Can I cut the semi truck boot to fit around a third brake light?
No, cutting is not recommended. Instead, remove the brake light and cover the hole, or change how the boot is mounted if you need to preserve the light.
- How do I measure for a semi truck boot?
To install a = semi,truck,boot ?>, use a flexible tape to measure the full perimeter of the opening. Add 1–2 inches for adjustment or overlap.
- Will your product work for metal below the window that is too thin?
Yes, the boot will work. Just ensure there is a flange for the clip to attach.
