cciyu 20 x Blue LED & Sockets Instrument Dashboard Speedo Light Bulbs T5 57 37 73 257 Built-in Circuit for 12V Power Input. Ultra Bright LED, unique and more vivid color Faster on/off response time and vibration resistant.74 type(T1-3/4) 3/16 inch wide base small Wedge Base LED bulbs Application: Replace the light with T5 base, such as side markers, running lights, corner & bumper lights, license plate lights, instrument cluster, gauge bulbs, dashboard and factory housings, etc. Cross Reference: Replace Stock Number:T5 17,18,27,37 ,57,58,70,73, 74, 79,85, 86,206,207,286,306,2721.