Michigan Motorsports Daytime Running Lights & Turn Signal Socket for 4157 3157 4114 GM Bulbs, 2 Wire, replacement for LS94 Designed to fit the LH (Driver) or RH (Passenger) Sides Correct for 4157, 3157 4114 style bulbs Commonly used for Tail light, Side marker, Daytime running, or Reverse Light Sold as one socket. If you need a set, Order Two Quality Michigan Motorsports Brand