4988809 - Cummins 5.9L ISB QSB Tier 3 Diesel Injector Fuel Supply Tube

4988809 - Cummins 5.9L ISB QSB Tier 3 Diesel Injector Fuel Supply Tube

Brand: Cummins

Part Number: 4988809

SKU: CUM4988809

Condition: New, Genuine OEM Quality

Fitment: Designed specifically for Tier 3 5.9 liter ISB/QSB Cummins diesel engines.

The Cummins 4988809 Injector Fuel Supply Tube ensures reliable fuel delivery to your engine's injection system. This OEM-specification component is engineered for durability and precision, featuring advanced materials that resist corrosion and maintain structural integrity.

Designed to meet the exacting requirements of Tier 3 emissions standards, this fuel supply tube provides consistent fuel flow and pressure regulation. Essential for maintaining optimal engine performance, fuel economy, and emissions compliance on 5.9L applications.

Applications: 5.9L ISB, 5.9L QSB, Tier 3 Engines