New AD Auto Parts Fuel Level Sensor (Sending Unit) GFC27 Design helps eliminate complications due to worn fingers on the sensor wiper arm, sulfur contamination, and failures of wire wound sensors and/or lead sensor kits Designed with thick wiper contacts and wear pads that provide durability, especially with todays ethanol fuels Replacement part for your GM vehicles original factory component Manufactured to meet GM OE specification for fit, form, and function Fits only Original Stock Fuel Pump Assemblies