United Pacific 38548 Peterbilt 37-LED Fender Turn Signal Lamp, Amber Lens, 12V Part Number: 808-38548

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The United Pacific 38548 is a triangular LED fender turn signal lamp compatible with a wide range of Peterbilt models from 1941 through 2025. Thirty-seven amber LEDs are distributed across three faces — 19 front, 6 side, and 12 rear — for wide-angle visibility. Features a 2-piece mounting design where the top lens removes to access three mounting holes on the clear inner base. Fits OE single 5x7 and dual 4x6 headlight housings. Pigtail with three 0.180" bullet plugs. Epoxy-sealed circuit board, IP67 water resistant. Note: installation may require load resistors — see items 34205 or 34235. DOT, SAE, and FMVSS 108 compliant. 12V.

Product Description

Manufacturer: United Pacific

Part Number: 38548

Function: Fender Turn Signal

Application: Wide range of Peterbilt models 1941-2025 — see application list

Bulb Technology: LED

Diode Count: 37 (19 Front, 6 Side, 12 Rear)

LED Color: Amber

Lens Color: Amber

Lens Material: Polycarbonate

Circuit Board: Epoxy Sealed

Mounting: 2-Piece, 3-Hole Base

Headlight Housing Fit: Single 5x7, Dual 4x6

Termination: 3-Wire Pigtail, 0.180" Bullet Plugs

Water Resistance: IP67

Note: May require load resistors for installation

Voltage: 12V

Regulatory Compliance: DOT, SAE, FMVSS 108

Cross References: 808-38548, 38548
A cross reference listing means that this item should be a suitable replacement for the part numbers listed. You should check the description to be sure it will work in your application.