Bulb Small: Single filament 94129 – 12V Medium & Large: Double filament 80915 – 12V Size Small: 1-3/4″ (L) x 1-1/8″ (W) x 1-5/8″ (D) Medium: 2-3/8″ (L) x 1-3/4″ (W) x 2-3/16″ (D) Large: 2-1/2″ (L) x 2″ (W) x 2-3/4″ (D) Screw: 0.365 diameter Material Chrome die cast housing and acrylic lens Wire Connection 18 Gauge Unit & Package Sold by each, color display bag Light Assembly Small (Single Function) Medium (Dual Function) Function Color 80890 80900 Turn/Marker & Clearance Amber 80893 80904 Turn/Marker & Clearance Red 80889 — Interior/Decorative Clear 80891 80901 Interior/Decorative Blue* 80892 80902 Interior/Decorative Green* 80894 80903 Interior/Decorative Purple*