The Cummins ISX15 4359489 Common Rail Fuel Pump is a genuine replacement engineered to deliver consistent high-pressure fuel supply for ISX15 engines. This version, with holes facing up, ensures correct fitment for specific applications where orientation matters for installation and line routing.

Built to OEM standards, this pump is trusted by fleets and owner-operators to restore original fuel delivery performance, improve reliability, and maintain emissions compliance. Each unit is precision-tested to ensure optimal flow, pressure stability, and durability under demanding operating conditions.

Key Features:

• Genuine Cummins ISX15 common rail fuel pump (part #4359489)

• Orientation: Holes Facing Up for correct engine configuration fitment

• Designed for consistent high-pressure fuel delivery

• Built to OEM reliability and emissions standards

• Precision-tested for durability and long service life

• 12-month unlimited mileage warranty