High light output

Each 3157 LED turn signal light bulb has 14 pieces 3030 SMD chipsets with high performance and projector lens design with projector lens design, providing 360 degree full angle illumination for your Chevrolet Cobalt. 300% brighter than halogen turn signal lights, assuring you will be seen more clearly from further away but it will not blind other drivers.

Good heat dissipation

The 3157 led turn signal bulb chips of the 14K series are reasonably distributed, with enough clearance for chip heat dissipation. As well as the turn signal bulb is designed with a solid alloy body and aluminum circuit board to ensure better heat dissipation and light transfer efficiency.

Longer lifespan

The led turn signal light bulb with built-in stable constant current IC driver, no radio signal interference. Over 35,000 hours of lifespan for sure

Plug and play easy installation

No polarity design, compatible with both standard and CK socket. Perfer fit your 2005-2010 Chevrolet Cobalt's rear turn signal light socket.