Replacement Red and Amber 4" Marker Lights
Updated 02/10/2026 | Published 01/24/2026
Products Featured in This Question
Question:
I need a couple red 4" marker lights and a couple amber 4" marker lights. The red ones have a single wire and the amber ones have two wires. The have two bulbs per light. Looking to get a close match to my trailer and will go led if I have to.
asked by: scott w
Expert Reply:
Hi Scott; for red and amber incandescent lights you can use the Trailer Clearance or Side Marker Light w/ Reflector # MC44AB (amber) and # MC44RB (red). The red lights have two wires so you will need to run the ground to the frame. Your current red lights probably gound through the hardware.
The one thing these do not have is two bulbs each, they're single bulb lights. The mounting holes are 3" apart on center, and they're 1-1/2" tall so you can check to see if that matches as well. If it doesn't, or if you're looking for a slightly different style, let me know in the comments below.
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Product Page this Question was Asked From
Trailer Clearance or Side Marker Light w/ Reflector - Incandescent - Rectangle - Amber Lens
- Trailer Lights
- Clearance Lights
- Marker
- Rectangle
- Surface Mount
- Non-Submersible Lights
- Incandescent Light
- 4L x 1-1/2W Inch
- Amber
- Optronics
more information >
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Robin H.
2/10/2026
Hey Scott, did the red and amber marker lights you tried end up matching your trailer’s setup? Your feedback could help others looking for a similar fit.