This Bosch CP3 Injection Fuel Pump is a high-quality mechanical pump designed for compatibility with 2004.5-05 CHEVY/GMC 2500HD 3500HD Duramax LLY 6.6L models. It is suitable for diesel fuel and drive type is mechanical. The fuel pump type is also mechanical. The manufacturer part number for this pump is 0445020030 and there is no warranty included. Please note that this fuel pump is only compatible with diesel fuel and should only be used for the specified vehicle models.