Comparing the ST51RB to the ST52AA for Function and Cost

Question:

Difference between # ST51RB and # ST52AA? The two round lamps they look the same, both have only two wires, why the different description? and cost?

1

Helpful Expert Reply:

Pedestal Mount Trailer Stop, Turn and Tail Light, 3-Function # ST51RB is a two sided light but only has the one side as a lens. The Dual-Face Trailer Parking/Turn Signal Light - Post Mount - 4" Round - Amber/Amber # ST52AA has the dual lens so that will be the reason for the different cost and differences in descriptions. The dual lenses allow the parking light and turn signal to be seen front and back where as the single lens will allow for stop, turn and tail light to be seen only from the rear of your trailer.

helpful expert reply by:
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Jason S

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