Availability: 10 in stock
a Pressure Sensor from GM Genuine Parts, part 12721112, is a direct replacement for the unit fitted at the factory. It reports pressure to the control module at the factory port. Catalogue application notes: Silverado, Sierra 2500 HD. Diesel. Fuel rail sensor. Silverado, Sierra 3500 HD. Confirm the number on the part you are removing matches 12721112 before ordering; superseded numbers are the same component under a later release. GM Genuine Parts are the components installed during production or validated by General Motors for GM vehicles. Ships from our US warehouse.