The Vintage NOS Fuel Saver Signal Delco GM #M1-316 Indicator Light MPG Advisor A11 is a performance part manufactured by Delco Remy in the United States. This indicator light is designed for universal fitment with a factory original finish, making it a unique and vintage addition to any car or truck. Its vintage status adds a touch of nostalgia and its performance capabilities make it a sought-after item for those looking to optimize their vehicle's fuel efficiency. Factory sealed package