This rear bed cargo light lamp is a perfect fit for your 1973-1987 Chevy GMC Truck K10 C10. Manufactured by GM, it is a vintage part and has a housing color of chrome. It requires 12 volts to function and uses incandescent lighting technology. The light assembly includes one bulb and is placed at the rear of the vehicle. This exterior bed light is a great addition to your truck and will make your cargo area well-lit. The OE/OEM part number is 5969836 and the manufacturer part number is 5965873. Made in the United States, this product is sure to meet your expectations.