Either orange or special (chrome) coated bulbs. The special-coated one only lights orange when you use the indicator (usually used with transparent lenses).
Single = 1 piece
Clear or grey indicators for the front (left and right) with...
Repair plug for indicators / licence plate illumination...
Bulb 12V 55W PX26D T10X58 C-8 H7 UV-STOPP - LF, Halogen...