ZYT PRODUCT CATALOG
Water Pump Pulley 3025861
Find engine service parts by category and part number. Please provide the engine serial number and photographs of the existing component so fitment and supply origin can be verified before order.



Genuine Parts
Cummins Water Pump Pulley 3025861
- Function : Transmits rotational energy from the engine’s crankshaft accessory belt to drive the water pump, ensuring continuous coolant circulation to prevent engine overheating.
- Material & Build : Cast from high-strength iron or durable steel to withstand high thermal strain, constant belt tension, and heavy vibration in commercial applications.
- Fitment : Engineered as a direct fit for classic Cummins 855 and Big Cam engine configurations commonly found in heavy-duty commercial trucks, agricultural equipment, and industrial generators.
- Specifications : Features a standard single- or multi-groove belt track profile engineered to exact original equipment standards to eliminate belt slippage and prevent premature belt wear.
The Cummins water pump pulley (Part #3025861) is an engine component designed to drive the water pump assembly, ensuring proper coolant circulation through the engine cooling system.
- Product reference
- Water
Ordering & compatibility
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