United Pacific 91501: Cascadia smoke acrylic window-visor pair
United Pacific 91501 supplies two smoke acrylic window visors for the listed Cascadia applications. These visors fit inside the glass channel and use adhesive tape. Trial-fit them before removing the tape backing and prepare the channel as directed.
Fitment and equipment checks
Listed for 2008–2017 Freightliner Cascadia, including the first-generation Cascadia Evolution body style. Match the door and glass-channel shape; a later-generation Cascadia needs a different visor.
Specifications and package contents
- Part number: 91501
- Material: Smoke acrylic
- Package quantity: Two window visors
- Attachment: In-channel adhesive tape
- Preparation items: Two alcohol pads and instruction sheet
- Initial setting period: About 24 hours with the window closed
- Warranty: 6-month warranty listed by BTS
Installation notes
Install on clean, completely dry glass channels. The supplied instructions recommend a warm, dry day above 65°F/18°C. Trial-fit with the backing still on, then clean the channel and use the included alcohol pad. Peel a short section of backing at both ends, position the visor flanges in the channel and remove the remaining backing while pressing firmly. Close the window and leave it closed for about 24 hours before operating it.
What is included
Two smoke acrylic window visors, two alcohol pads and an instruction sheet. Mirrors, window glass and window regulators are not included.
Questions about United Pacific 91501
How do 91501 window visors attach?
They fit inside the glass channel and attach with adhesive tape. Trial-fit the flanges with the tape backing still in place, then follow the supplied channel-cleaning and fitting instructions.
Which Cascadia applications should I check?
Listed for 2008–2017 Freightliner Cascadia, including the first-generation Cascadia Evolution body style. Match the door and glass-channel shape; a later-generation Cascadia needs a different visor.
Can I operate the windows immediately after installation?
The supplied instructions say to close the window after installation and let the visor sit for about 24 hours before operating the window so the tape can adhere to the channel.
Can I install these after washing the truck or in cold weather?
Wait until the glass channels are completely dry. The instructions recommend installation on a warm, dry day above 65°F/18°C; clean the channel before exposing the adhesive.
What comes in the window-visor package?
The instruction sheet lists two window visors, two alcohol pads and one instruction sheet. The pair is for the two window applications, not a windshield visor.

