United Pacific – Low Profile Turn Signal Light for Peterbilt
Low Profile Turn Signal Light for Peterbilt 379, 378, and 357
The Low Profile Turn Signal Light from United Pacific is the perfect upgrade for 1987–2007 Peterbilt 379, 378, and 357 trucks. Featuring 30 bright amber LEDs behind a clear polycarbonate lens, this light provides sharp visibility with a sleek, modern look. Its low profile design stands only 1-7/8 inches tall and is built with an epoxy sealed circuit board for long lasting durability in harsh road conditions.
This unit uses a simple 12V DC 3-wire hookup with .180 inch bullet plugs and retains the original 2-piece mounting design for a direct, hassle free installation. Included mounting hardware makes the process even easier. It is compatible with OE single 5x7 headlights, dual 4x6 headlight housings, and also fits 2007 and newer Peterbilt 365 and 367 models.
Product Features
- Manufacturer: United Pacific
- Item Number: 38397
- LED Count: 30 amber LEDs
- Lens: Clear polycarbonate lens for durability
- Electronics: Epoxy sealed circuit board to resist moisture and vibration
- Design: Low profile housing at just 1-7/8 inches tall
- Voltage: 12V DC
- Wiring: 3-wire hookup with .180 inch bullet plugs
- Mounting: Original 2-piece Peterbilt mounting design
- Compatibility:
- 1987–2007 Peterbilt 379 / 378 / 357
- OE single 5x7 headlight housings
- OE dual 4x6 headlight housings
- Also fits 2007 and newer Peterbilt 365 / 367
- Includes: Mounting hardware
- Sold individually
Performance and Fit
This light delivers exceptional brightness with its 30 LED layout while maintaining a slim, low profile appearance. The clear lens and amber LEDs create a crisp, modern signal output that improves visibility and safety. With sealed electronics and a durable lens, it is engineered to withstand demanding road conditions.
Installation
- Remove the existing turn signal light from the headlight housing.
- Position the new low profile light into the OE mounting locations.
- Connect the 3-wire bullet plug wiring.
- Secure the light using the included mounting hardware.
- Test the turn signal before final tightening.
Why You Will Love It
- Modern 30 LED brightness
- Low profile design for a clean appearance
- Clear lens with amber LEDs for sharp visibility
- Epoxy sealed electronics for long life
- Direct fit compatibility with OE headlight housings
Common Questions
- Does it fit all Peterbilt trucks? It is designed for 1987–2007 Peterbilt 379, 378, and 357, and also fits 2007+ 365 and 367.
- Is the unit sealed? Yes, the circuit board is fully epoxy sealed.
- Is hardware included? Yes, mounting hardware is included.
⚠️ California Proposition 65 Warning:
This product can expose you to chemicals found in electronic components, which are known to the State of California to cause cancer and reproductive harm.