Truck-Lite  15200R Marker/Clearance Lamp Fits in most narrow header rails Mount vertically or horizontally Long-life 15,000 hour bulb Snap-lock tabs allow quick & easy installation Suitable for PC requirements on a 45 degree angle Uses standard PL-10 connection Cross to Grote 46412, Optronics A-91RB, MC-95RB, Prima Tronics PT1500R