Peterbilt 379/378/357 (1987–2007) 31 LED Turn Signal Light – Amber

Upgrade your Peterbilt with the United Pacific 31 LED Turn Signal Light (Part #38550). Designed for 1987–2007 Peterbilt 379, 378, and 357 models, this high-performance light provides multi-directional amber illumination with a durable OEM-style fit. With forward, side, and rear-facing LEDs, it ensures maximum visibility and compliance with DOT/SAE standards.

• 31 bright amber LEDs: 21 forward, 4 side, 6 rear-facing

• Durable outer lens with reinforced mounting base

• OEM-style installation (requires removal of outer lens)

• 12V DC, simple 3-wire hookup with .180" bullet plugs

• Wiring color code: green = ground, orange = high, brown = low function

• Fits OE single 5x7 and dual 4x6 headlight housings

• DOT/SAE compliant – FMVSS 108 certified

• Installation may require load resistors (United Pacific #34205 or #34235)