Truck Cap To Truck Window Boot

How to Choose the Right Rubber Boot Seal
You can acquire rubber boot material for your special project. This seal is manufactured from durable EPDM synthetic rubber compound and incorporates a pliable spring steel clip for fastening to any rim. This material is sold by the foot. To determine how much you need measure the distance encircling your cab opening. You get several choices of rubber to make use of for sealing your cabs together.
Quick and Easy Installation
Installing this rubber boot is simple and can be done with few tools. Just attach the seal firmly onto the flange of the window or pass through opening. This creates a secure connection between the two units. Even if you're camping, this seal keeps out rain and maintains interior comfort during your journey.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is typically used in truck modifications. It's suitable for most mini trucks. Whether you're upgrading a camper shell or building a custom rig, this seal offers broad fitment and dependable performance for your cab connection project.
Truck Cap To Truck Window Boot Features and Benefits
Feature | Benefit | Use Case |
---|---|---|
Watertight Design | Keeps moisture and dust out, even in rough outdoor environments | Protects interior from water, wind and dust |
Urethane Adhesive Compatible | Allows permanent seal when needed for high-stress areas | Used in high-vibration or heavy-use applications |
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 if the camper shell opening is larger than my truck window?
If the shell opening is larger, the truck cap to truck window boot may not work. You’ll either need to modify the opening or consider a compression boot instead, which is more forgiving in such situations.
- Will the truck cap to truck window boot work on a walk-through truck conversion?
Yes! This is a perfect use case. The truck cap to truck window boot allows you to join the truck cab and camper shell or utility box with a weather-sealed, flexible connection.
- How weatherproof is the truck cap to truck window boot?
The EPDM accordion boot creates an airtight, watertight seal when installed correctly. It's designed to keep rain, dust, and wind out — ideal for camper conversions and pass-throughs.