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Peterson · Electrical & Lighting
PETM138R
In stock · ships from Knoxville
This is a red oblong double-bulls-eye clearance and side marker light for trailers, utility vehicles, and heavy-duty equipment.
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Verified fitment for 3 applications
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All confirmed applications for this part number.
Other applications
Other applications
Universal trailer light. Mounts via surface screws on 3-inch centers. Single-wire connection, grounds through mounting hardware. Fits standard 138-series housings.
Part data verified against 5 catalog sources
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It uses two long-life incandescent bulbs behind a snap-on red lens to deliver bright, DOT-compliant visibility. You typically replace this light when the lens cracks, water gets inside, or a bulb fails, ensuring your trailer stays legal and visible from the sides and rear.
Part Number: PETM138R
LIGHT RED MARKER
Unit: ea
Dealer: Knox Trailers
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