Engine Water Pump for Cummins NH855, NT855 Engines

Product Specifications

Technical Overview: This NEW engine water pump for Cummins NH855 and NT855 Big Cam IV engines features a 4 1/2-inch vented impeller and a 4 1/4-inch multi-groove pulley engineered to maintain stable coolant flow under continuous heavy-duty operation.

Detailed Features
• NEW vented 4 1/2" impeller for efficient coolant circulation in Cummins NH855/NT855 engines.
• 4 1/4" multi-groove pulley matched to Big Cam IV belt and drive layouts.
• Replacement water pump built for Cummins NH855 and NT855 Big Cam IV heavy-duty platforms.

FAQ

1. What is the function of this water pump?
The engine water pump for Cummins NT855 circulates coolant through the block and cylinder head to control operating temperature during continuous engine load.

2. Which engines does it fit?
This replacement water pump fits Cummins NH855 and NT855 engines configured as Big Cam IV units using a vented impeller and multi-groove pulley.

3. What material is used?
The pump uses a cast-iron housing with a high-durability impeller designed for Cummins NT855 cooling system requirements.

4. Is installation complex?
Installation follows standard Cummins NT855 water pump replacement procedures and typically requires only basic mechanical tools.

5. Is it OEM or aftermarket?
This is an OEM-quality aftermarket engine water pump designed for Cummins NH855 and NT855 Big Cam IV engines.

6. Is the pump NEW and does it include a warranty?
Yes. This pump is NEW, not remanufactured, and it is covered by Diesel Pro warranty with fast worldwide shipping options.

Available at Diesel Pro with our trusted warranty and same-day shipping for most orders.