ZYT PRODUCT CATALOG
Idler Pulley 3064919
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Genuine Parts
Cummins Idler Pulley 3064919
- Primary Role : Serves as a tensioning and guiding pulley, most commonly in the water pump and accessory drive system. It maintains correct belt alignment and tension, preventing slippage or belt loss during heavy operation.
- Engine Compatibility : Fits legendary heavy-duty diesel platforms, including Cummins 855 Big Cam I, II, III, and early Big Cam IV series engines, as well as select N14 and NH220/250 configurations.
- Interchange Part Numbers : Also cross-referenced under part numbers 3050398, 3051348, AR45189, and remanufactured code 3064919RX.
- Common Symptoms of Wear : Squealing or grinding noise, erratic belt tension, visible pulley wobble, or overheating due to reduced water pump efficiency.
The Cummins idler pulley (Part #3064919) is a heavy-duty engine component designed primarily for Cummins 855 Big Cam series engines (such as the NT855 and NH855).
- Product reference
- Idler
Ordering & compatibility
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