Description:
Heavy-duty Cummins 3066330RX water pump idler pulley engineered for reliable belt routing and accessory drive performance. Designed for N14, QSM11, and 855-series engines, this OEM-quality idler ensures proper belt alignment, reduces wear, and supports efficient cooling system operation in demanding diesel applications.
Features:
Part Number: 3066330RX
Alternate Part Numbers: 3066330, 3066330RXN
Component Type: Water Pump Idler Pulley
Brand: Cummins (OEM / Reman available)
Material: Hardened steel pulley with sealed bearing
Bearing Type: Heavy-duty sealed bearing
Function: Maintains belt alignment, Supports serpentine/accessory drive system, Drives water pump via belt system
Condition: Remanufactured
Brand: Cummins
OEM Cross Reference: 3066330, 3066330RXN, 715654AT, RW1074X, WA768, 306633000D, CUM54009 (Fleet cross), DS-3066330 (Diesel Parts Direct)
