LEDautomotive 74 SP LED (4 Pack) - Blue 74 SP - Standard Power Sub-miniature Wedge Base (2 Lumen) 1x Wide Angle 5mm LED 100 degree viewing angle 24mm long; 12mm diameter; 1 year warranty Replaces bulbs with the following part numbers: 17 18 27 37 58 70 73 74 79 85 86 2721 s14v