Cap Shell Slider Windows

Cap Shell Slider Windows

Only Buy What You Need - Rubber Boot Material Sold by the Foot

This material is bought by the foot. Unlike other organizations that force you to purchase more than you need. You get the exact amount you require. No waste.

Quick and Easy Installation

Installing this rubber boot is straightforward and can be done with few tools. Just fit the seal firmly onto the lip of the window or pass through opening. This forms a watertight connection between the two units. Regardless of whether you're off-roading, this seal keeps out dust and preserves temperature control during your journey.

Universal Fit: Compatible Rubber Seals for Trucks and Rigs

This rubber boot seal is often used in truck modifications. It's fits most compact trucks. Whether you're repairing a camper shell or building a custom rig, this seal offers versatile fitment and dependable performance for your cab connection project.

Cap Shell Slider Windows Features and Benefits

Feature Benefit Use Case
Supports Walk-Through Conversions Lets you convert separate spaces into one continuous interior Used in van builds, campers, and custom sleeper cabs
Reusable with Careful Removal Can be reinstalled without damage if no adhesive used Ideal for resprays, upgrades, or camper swaps
UV & Weather Resistant Withstands sun, rain, and temperature changes without cracking Long-term durability for vehicles stored outdoors

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

Accordion Boot

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.

How Accordion Boot Works Animation

$8.95 per foot

In Stock

Order 541

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Compression Boot - Part Number 540

Compression Boot

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.

How Compression Boot Works Animation

$7.95 per foot

In Stock

Order 540

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Extra Wide Accordion Boot - Part Number 543

Extra Wide Accordion Boot

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Accordion Boot - Ultra Wide 10" Part Number 544

Accordion Boot 10 inch wide

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Accordion Boot 15 - Part Number 546

Extra Wide Accordion Boot

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Compression Bulb Seal - Part Number 545

Compression Bulb Seal

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Frequently Asked Questions

  • Will the accordion boot fit all truck models?

    Our boots come in universal sizes that can be trimmed to fit. Always measure your specific opening to ensure a proper fit.

  • Is the cap shell slider windows 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 custom trim a cap shell slider windows to fit my setup?

    You can trim the length to fit your application, but altering the shape, corners, or embedded clip area is not recommended.