Why Choose These Peterbilt 44-MAG Toggle Switch Extensions
These Peterbilt 44-MAG toggle switch extensions add a bold custom detail to the dash while making compatible toggle switches stand out.
They are a strong interior upgrade for Peterbilt owners building a chrome, aluminum, billet, or custom dash theme. The 44-MAG casing style gives the toggle switch area a distinctive look without replacing the switch itself.
Key Features & Benefits
44-MAG Casing Style for a Custom Dash Look
These toggle switch extensions are styled after a 44-MAG casing design. The look adds a more aggressive custom-truck detail to compatible Peterbilt dash switches.
Heavy-Duty Aluminum Body
The extensions feature a heavy-duty aluminum body for strength and durability. This makes them a more solid interior accessory than basic plastic switch covers.
Fits 5/16 Inch or Smaller Toggle Switches
These extensions fit over toggle switches with a 5/16 inch or smaller diameter. Measure your toggle switch before ordering to confirm fitment.
Includes Set Screws for Installation
Set screws are included for installation. The set screw design helps secure the extension over the compatible toggle switch.
2-1/8 Inch Overall Height
Each extension is listed as 2-1/8 inches tall. Confirm your dash clearance before installation, especially if your switches are close together.
5/8 Inch Outside Diameter
The outside diameter is listed as 5/8 inch. Check switch spacing and clearance so the extensions do not interfere with nearby switches, labels, or trim.
Sold as a 2-Pack
This product includes 2 toggle switch extensions. Order the quantity needed based on how many switches you want to upgrade.
Performance / Compatibility / Use Case
Designed for Peterbilt Dash Switch Styling
These aluminum toggle switch extensions are designed for compatible Peterbilt toggle switches. They are a cosmetic and functional touch-point upgrade for the dash area.
They are ideal for custom interiors, show-truck builds, chrome and aluminum dash setups, and Peterbilt owners who want small details to match the rest of the cab.
Relevant for Peterbilt 389 Interior Builds
The supplied application list includes 2008–2024 Peterbilt 389, making this a relevant interior accessory for Peterbilt 389 dash and switch-area customization.
Works With Compatible Toggle Switch Sizes
These extensions fit toggle switches with a 5/16 inch or smaller diameter. They are not confirmed for oversized, rocker, push-button, or non-toggle switches.
Installation / Fitment / Technical Details
Installation requirements may vary by truck model, dash layout, and switch type.
These extensions fit over toggle switches with a 5/16 inch or smaller diameter and secure with included set screws. Confirm your switch diameter, switch spacing, dash clearance, and toggle movement before ordering.
Do not assume fitment for every Peterbilt switch without measuring the toggle switch first.
Known supplied fitment includes 2008–2024 Peterbilt 389 and other listed Peterbilt models.
Build Quality / Materials / Warranty / Trust Signals
These toggle switch extensions are made with a heavy-duty aluminum body.
Warranty coverage is listed as 6 months. Warranty terms may vary by manufacturer or supplier policy, so check the product listing details or contact BTS Lighting if you need confirmation before ordering.
What’s Included
- 2 aluminum 44-MAG casing style toggle switch extensions
- Set screws for installation
Frequently Asked Questions
Do these fit a Peterbilt 389?
Yes, the supplied application list includes 2008–2024 Peterbilt 389. Confirm your toggle switch diameter and dash clearance before ordering.
What size toggle switches do these fit?
These extensions fit over toggle switches with a 5/16 inch or smaller diameter. Measure your switch before ordering to confirm compatibility.
How tall are these toggle switch extensions?
Each extension is listed as 2-1/8 inches tall overall. Check your dash clearance and switch spacing before installation.
What is the outside diameter?
The outside diameter is listed as 5/8 inch. Confirm there is enough space around each toggle switch so the extension does not interfere with nearby switches.
Are set screws included?
Yes, set screws are included for installation. They are used to secure the extension over the compatible toggle switch.
Are these made from plastic?
No, the supplied product details list a heavy-duty aluminum body. This gives the extensions a more solid feel than plastic switch covers.
Are these sold individually or as a pair?
They are sold as a 2-pack. If you need to cover more than two switches, order the quantity needed for your dash setup.
Will these fit rocker switches?
No, these are designed for toggle switches with a 5/16 inch or smaller diameter. They are not confirmed for rocker switches, push buttons, or other switch styles.
Do these replace the toggle switch?
No, these are extensions that fit over compatible toggle switches. They do not replace the switch itself.
















