Product Overview
United Pacific 39983 is an eight-LED roof cab light for 2013–2021 Kenworth T680 and T880 trucks. Its amber LEDs and amber polycarbonate lens provide a factory-style replacement option for a worn, damaged or inoperative roof cab light.
An OE-style electrical terminal allows the light to connect directly to the compatible factory connection. Mounting screws and a foam gasket pad are included to support installation and help seal the light against the roof mounting surface.
Key Features & Benefits
Eight Amber LEDs
Eight bright amber LEDs provide the illumination required for this roof-mounted cab light application.
Amber Polycarbonate Lens
A quality polycarbonate lens protects the internal LEDs while producing a traditional amber cab-light appearance.
OE-Style Electrical Terminal
The integrated OE-style electrical terminal provides direct plug-and-play connectivity on compatible Kenworth T680 and T880 applications.
Mounting Components Included
The light includes mounting screws and a foam gasket pad, providing the primary components needed to mount it to the compatible factory location.
DOT/SAE and FMVSS 108 Compliance
The manufacturer identifies this cab light as meeting DOT/SAE and FMVSS 108 requirements.
IP67 Water Resistance
The IP67-rated housing provides protection against dust and temporary water immersion under the conditions specified by the rating. Correct gasket placement and installation remain important for maintaining the seal.
Performance / Compatibility / Use-Case
This roof-style cab light is designed as a replacement for compatible factory cab lights on:
- 2013–2021 Kenworth T680
- 2013–2021 Kenworth T880
Product specifications:
- LED count: 8
- LED color: Amber
- Lens color: Amber
- Lens material: Polycarbonate
- Mounting location: Roof cab-light position
- Electrical connection: OE-style terminal
- Installation type: Direct plug-and-play connection
- Compliance: DOT/SAE and FMVSS 108
- Water-resistance rating: IP67
- Reference OEM number: P54-1120-100
- Warranty: 3 years
Confirm the truck’s model year, original light configuration and OEM reference number before ordering. Compatibility with trucks outside the listed year and model range has not been verified.
Installation / Fitment / Technical Details
Installation uses the existing compatible roof cab-light location and OE-style electrical connection. The included foam gasket pad installs between the light and roof surface, while the supplied screws secure the assembly.
Before installation:
- Confirm the truck is a 2013–2021 Kenworth T680 or T880
- Compare the existing light and connector with the replacement
- Verify OEM reference number P54-1120-100 where applicable
- Clean the mounting surface
- Position the foam gasket evenly
- Inspect the connector and mounting area for damage or corrosion
Do not overtighten the mounting screws, as excessive pressure could damage the polycarbonate lens or compromise the gasket seal. Test the light before completing installation.
Build Quality / Warranty
The cab light combines eight amber LEDs with a quality polycarbonate lens and an IP67 water-resistant design. Its included foam gasket helps create a sealed mounting surface when installed correctly.
Warranty: 3-year warranty listed by BTS.
What’s Included
- 1 × 8 LED Amber Roof Cab Light
- 1 × Foam Gasket Pad
- Mounting Screws
- Integrated OE-Style Electrical Terminal
Frequently Asked Questions About the Kenworth T680/T880 Cab Light
Which Kenworth trucks does this roof cab light fit?
This light is designed for 2013–2021 Kenworth T680 and T880 trucks. Confirm the original light, electrical connector and OEM reference before ordering.
What is the reference OEM number?
The listed reference OEM number is P54-1120-100.
How many LEDs does the cab light contain?
The light contains eight amber LEDs behind an amber polycarbonate lens.
Is this a complete cab-light set?
No. The product information describes one individual roof cab light. Order the quantity required for your truck.
Is the light plug-and-play?
Yes. This cab light uses an OE-style electrical terminal designed to connect directly to the compatible factory connection.
Are the gasket and mounting screws included?
Yes. Mounting screws and a foam gasket pad are included with the light.
Does this light require drilling?
The light is intended for a compatible factory roof cab-light location. Whether any modification is required can depend on the truck’s current light configuration, so compare the replacement with the existing assembly before installation.
Is this Kenworth cab light DOT/SAE compliant?
Yes. The manufacturer identifies this cab light as DOT/SAE and FMVSS 108 compliant.
Is the cab light waterproof?
The light carries an IP67 water-resistance rating. Proper gasket placement, secure mounting and protected electrical connections remain important for preventing moisture intrusion.
