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This oblong red light measures 4-1/16" long x 2-1/16" tall x 1" thick and uses a single 194 bulb that draws just 0.25 amps at 12V. It’s P2 rated, giving a clear beam visible straight on for dependable clearance or side marking. The custom-cut lens optics boost light output so other drivers can easily see you at night or in low-light conditions.
The reflex reflector is built right into the lens, so you don’t have to add a separate reflector to stay compliant. It’s a smart way to get both light and reflection in one compact housing, keeping the install clean and simple while still meeting DOT standards.
Installation is straightforward thanks to the surface-mount design. The light sits flat against your trailer’s surface and needs only a small hole for the wire. The mounting holes are spaced 3" center to center, making it easy to line up with existing setups. Hardware isn’t included, but once in place, the light grounds through its mounting hardware for a simple one-wire connection.
The molded plastic base holds up to regular road use without cracking or warping. Inside, the premium incandescent bulb is rated for up to 15,000 hours of light, so you’re not constantly swapping burnt bulbs. It’s a solid setup for a long-term replacement or upgrade that just works when you need it.
If you’re replacing an older light, this model matches well with other common sizes—differences are within about 1/16". It directly replaces Grote #46712 and Optronics #MC38RB, so it’s easy to swap out without drilling new holes or changing your wiring setup.

Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews

Richard
5/11/2019
Good.

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Dale B.
8/7/2023
Functioning perfectly, no issues.