Cummins NT855 Water Pump 3051374 | Heavy Duty Diesel Engine Cooling Pump

Product Details

Product Overview

This is a premium-grade, direct replacement Cummins Water Pump (Part Number: 3051374), specifically engineered for the Cummins NT855 diesel engine series. Designed for heavy-duty industrial and marine applications, this water pump ensures optimal engine cooling and thermal management. We are a global supplier with extensive export experience, serving major markets across North America, Europe, Asia-Pacific, the Middle East, and Africa. Our parts are stocked in strategic warehouses near major ports to ensure fast, reliable delivery for B2B buyers worldwide.

Key Features & Benefits

• OEM Specification: Manufactured to meet or exceed original Cummins specifications for a perfect fit and reliable performance.
• Durable Construction: Features a precision-machined cast iron housing and a high-quality bearing system for extended service life under extreme operating conditions.
• High-Efficiency Impeller: Designed to maximize coolant flow rate, ensuring consistent engine temperature and preventing overheating.
• Leak-Proof Seal: Equipped with a premium mechanical seal to prevent coolant leakage and maintain system integrity.
• Plug-and-Play Installation: A direct bolt-on replacement that requires no modifications, reducing downtime for your fleet.

Technical Specifications

OEM Cross-Reference

This water pump is a direct replacement for the following OEM and reference numbers:

• Cummins OEM: 3051374
• Alternative Reference: 3051374RX, 3051374NX

Compatibility

• Primary Engine: Cummins NT855 (N Series)
• Common Applications:
  • Heavy-duty trucks (e.g., Kenworth, Peterbilt with NT855)
  • Construction equipment (e.g., Komatsu, Caterpillar models using NT855)
  • Marine propulsion engines
  • Generator sets (GenSets)
  • Industrial pumps and compressors

Global Supply & Distribution

We are a dedicated B2B supplier with a robust global logistics network. We offer worldwide shipping with fast delivery to major ports and industrial centers, including Rotterdam, Dubai, Singapore, Los Angeles, and Shanghai. Our inventory management ensures high stock availability for bulk orders and urgent requirements. We serve a diverse client base including dealerships, repair shops, and fleet operators across North America, Europe, Asia-Pacific, the Middle East, and Africa.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities.
• Warranty: Backed by a comprehensive 12-month warranty against manufacturing defects.
• Testing: Each unit undergoes rigorous pressure and flow testing to ensure zero defects before shipment.

FAQ

Q1: Is this water pump a direct replacement for the original Cummins part 3051374?
A: Yes, this part is a direct, bolt-on replacement for the original Cummins part number 3051374. It matches OEM dimensions, bolt patterns, and flow characteristics, ensuring a seamless installation on your NT855 engine.

Q2: What should I check during installation to prevent early failure?
A: Before installation, always inspect the mating surface on the engine block for any debris or old gasket material. Ensure you use the included gasket and apply the correct torque to the mounting bolts as per the engine service manual. It is also recommended to replace the coolant and thermostat at the same time.

Q3: How can I verify the quality of your aftermarket water pump compared to a genuine Cummins part?
A: Our water pump is manufactured using high-grade materials and precision casting processes. While it is an aftermarket part, it is designed to meet or exceed the performance and durability of the OEM part. We offer a 12-month warranty and encourage you to check the physical specs (impeller size, bearing feel) upon receipt. Many of our clients find our parts offer excellent value without sacrificing reliability.