The Exergy rail pressure sensor for 2004.5–2005 Chevrolet Duramax 6.6L LLY is a direct-fit rail pressure sensor specified for that engine and year range. Intended as a replacement component for the fuel rail system, this sensor matches the listed Duramax LLY fitment and is supplied to restore the rail pressure sensing function on the specified vehicle applications.
Exergy 04.5-05 Chevrolet Duramax 6.6L LLY Rail Pressure Sensor