37 LED Turn Signal Light With Chrome Base For 1987–2007 Peterbilt 379/378/357
Upgrade your classic Peterbilt with a clean, factory-inspired LED turn signal that delivers modern performance without sacrificing OEM style. The 37 LED Turn Signal Light with Chrome Base is built for durability, visibility, and easy serviceability—making it the perfect replacement or upgrade for 379, 378, and 357 models.
Key Features
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37 High-Output LEDs for bright, attention-grabbing turn signal visibility
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Chrome-Plated Inner Mounting Base for a polished, OEM-style appearance
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Polycarbonate Lens with epoxy-sealed circuit board for long-term durability
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Simple 3-Wire Installation using .180″ bullet plugs
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Service-Friendly 2-Piece Design allows easy access to mounting hardware
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DOT / SAE Compliant and FMVSS 108 approved for on-road use
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Amber LED Options available with matching amber or clear lens
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Mounting Hardware Included
Vehicle Compatibility
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Peterbilt 379 (1987–2007)
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Peterbilt 378
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Peterbilt 357
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Fits OE single 5×7 headlight housings and dual 4×6 headlight housings
Technical Specifications
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Voltage: 12V DC
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LED Count: 37 LEDs
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Lens Material: Polycarbonate
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Base Finish: Chrome plated
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Wiring: 3-wire hookup with .180″ bullet plugs
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Compliance: DOT / SAE, FMVSS 108
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Note: Installation may require load resistors (Item #34205 or #34235)
What’s Included
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(1) 37 LED Turn Signal Light with Chrome Base
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Mounting Hardware
Warranty
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10-Year Manufacturer Warranty
























