2018+ Freightliner Cascadia Headlight Turn Signal Module
🔧 Freightliner Cascadia LED Turn Signal Module
Fits: 2018–2024 Freightliner Cascadia 126OEM Part Numbers: 66-01405-030, 1040.001.0920
Upgrade your factory turn signal module with a premium plug-and-play LED replacement. Designed for reliable performance, long service life, and direct OEM fitment.
✅ Features
Direct OEM replacement
Genuine OSRAM LED chips
Bright, consistent LED output
Plug-and-play installation
Durable construction
Fits 2018–2024 Freightliner Cascadia 126
⚠️ Before Installation
Watch the installation video (QR code/link included).
Clean the inside of the headlight housing before installing the module. Burned inside, dust, moisture, or residue can affect performance and shorten the life of the module.
🛡 Warranty
1-Year Limited Warranty
Warranty is valid only when the installation instructions are followed and the headlight housing is properly cleaned before installation.
No returns on electrical parts.
📦 Package Includes
1 × LED Turn Signal Module
Professional Installation Recommended
What trucks does this LED turn signal module fit?
This LED turn signal module is designed for 2018–2024 Freightliner Cascadia 126 trucks equipped with factory LED headlights. Always verify your OEM part number before ordering. Fits only OEM headlights
Which OEM part numbers does this module replace?
This module replaces OEM part numbers 66-01405-030 and 1040.001.0920.
Is this a direct OEM replacement?
Yes. It is a direct plug-and-play replacement designed to match the original factory module. No modifications or programming are required.
Does this module use genuine OSRAM LEDs?
Yes. This module is manufactured using genuine OSRAM LED chips for bright, reliable, and long-lasting performance.
Why should I clean the headlight before installation?
If you do not clean the burned parts inside the headlight, they can hold heat and make the new LED module burn out very quickly.
Does this product come with a warranty?
Yes. A 1-year limited warranty is included against manufacturing defects when the product is installed according to the provided instructions.
Is professional installation required?
Professional installation is recommended, but many experienced DIY customers successfully install this module by following the included installation video and instructions.
Does this module improve reliability?
Our module is engineered using high-quality electronic components and genuine OSRAM LEDs to provide dependable performance and long service life when properly installed.
Where is this product shipped from?
Orders are shipped from Sacramento, California, USA.
Is this module compatible with both left and right headlights?
Please verify the product description and OEM part number before ordering to ensure compatibility with your specific application.
How long does installation take?
Installation typically takes 15–30 minutes, depending on the condition of the headlight assembly and the installer's experience.
Will this module fix a turn signal that's not working?
If the original LED turn signal module has failed, replacing it with a compatible module may restore proper operation. Other electrical or wiring issues should be diagnosed separately.
Is this product tested before shipping?
Yes. Every module is inspected and tested before shipment to help ensure quality and reliable operation.
What makes ATP Solutions different?
ATP Solutions specializes in heavy-duty truck lighting and electrical components. Our products are designed for commercial trucks using quality components and are backed by knowledgeable customer support.

