2057 VS 1157 bulbs - Tacoma World The 2057 stop turn is the same as 1157, but the running lights are 2 watts lower Running lights are super important on a trailer not too many things worse than rolling on the highway and having someone change lanes into your trailer because he couldn't see your running lights
Fyi. bulb differences 1157 vs. 2057 - Team Camaro Tech Had a burned out tail light bulb, #1157 and wondered if I could use one of the #2057's I had in the garage Did a quick web search and found this page related to motorcycles that lists the common dual filament bulbs and their wattage vs lifespan in hours and thought it would be good to share