Accordion Pass Through
How to Choose the Right Rubber Boot Seal
You can get rubber boot material for your special project. This seal is manufactured from robust EPDM synthetic rubber compound and has a bendable spring steel clip for affixing to any flange. This material is sold by the foot. To specify how much you need measure the length encircling your cab opening. You have three options of rubber to make use of for waterproofing your cabs together.
Tips for Getting the Right Fit
To specify how much you require measure the length around your cab opening. It is imperative that both openings are accurately the same size. Make sure to measure the opening before ordering. Every installation is different.
Don't Settle for Less: Upgrade to a Seal Built for the Road
Choosing the right seal is important for your vehicle project. This rubber boot excels due to its high-quality construction and real-world reliability. We pride ourselves on providing products that surpass your expectations for long-term performance. Don't settle for cheap seals, upgrade to one that's built to last.
Accordion Pass Through Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Made in the USA | High manufacturing standards and local support | Ideal for buyers who value American-made products |
| Supports Walk-Through Conversions | Lets you convert separate spaces into one continuous interior | Used in van builds, campers, and custom sleeper cabs |
| Multi-Vehicle Fit | Works on trucks, vans, semi cabs, and custom enclosures | Versatile for commercial and recreational conversions |
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.
$7.95 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
- What type of rubber is used in your boots?
Our boots are made from high-quality black EPDM rubber, known for its durability, UV resistance, and flexibility across extreme temperatures.
- Is the accordion pass through reusable if I remove it?
While technically reusable, removal often deforms the material or compromises the embedded clip, so we recommend replacing it if removed.
- Can I get samples of the boot?
Yes, we offer a sample pack that includes each of the boot styles. Getting a sample will help you know and understand how the boot installs and attaches to your vehicle or special project. To order a sample pack go to Boot Sample
