Truck Cap Window Boots
Only Buy What You Need - Rubber Boot Material Sold by the Foot
This item is available by the foot. Unlike other companies that compel you to purchase more than you require. You purchase the proper quantity you need. No waste.
Tips for Getting the Right Fit
To ascertain how much you want measure the space around your cab opening. It is essential that both openings are precisely the same size. Make sure to measure the opening before ordering. Every installation is unique.
Why EPDM Rubber Is the Best Choice for Long-Lasting Seals
The EPDM rubber seal is crafted to survive challenging conditions such as UV exposure. It's perfect for both weekend getaways. Compared to standard seals, this material performs better. It's a reliable option for anyone looking to enhance their truck cab connection with a dependable sealing solution.
Truck Cap Window Boots Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Cleanable Surface | Easy to wipe down or blow clean for reinstallation | Using mild soap and water for cleaning maintenance |
| Easy DIY Installation | Simple to install with basic tools | Weekend warrior friendly; ideal for personal projects |
| Trusted by Pros and DIYers | Field-tested by thousands in real-world applications | Confidence in product from verified reviews and installs |
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
- Can I keep my sliding windows and still use a truck cap window boots?
Unfortunately, no. The slider windows must be removed because the truck cap window boots requires a clean flange or wall to attach. Sliders block access to this area.
- How much will I need?
This material is sold by the foot. Unlike other companies that force you to buy more than you need. You get the exact amount you need. No waste. To determine how much you need measure the distance around your cab opening. It is important that both openings are exactly the same size. The average full-size pickup truck rear window opening is approximately 13 - 14 feet around. The average mini-truck is approximately 10 feet around the window opening.
- What do you charge for shipping?
Here are the various charges for shipping both Domestic and International
Part 540 Compression Boot - Flap $17.45 Part 541 Accordion Boot $17.45 Part 543 Wide Accordion Boot $24.35 Part 544 Extra Wide Accordion Boot $24.35 Part 545 Compression boot - Bulb $17.45 Canada $76.95 International $110.00
