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CAT 3544754 (354-4754) Water Pump for C4.4 C6.6 C7.1 Engine | Fits 320D 938H D5K

CAT 3544754 (354-4754) Water Pump for C4.4 C6.6 C7.1 Engine | Fits 320D 938H D5K

Premium engine water pump designed specifically for Caterpillar (CAT) C4.4, C6.6, and C7.1 diesel engines, delivering efficient coolant circulation and high-performance thermal regulation. Built to handle heavy-duty operational cycles, this replacement water pump ensures optimal cooling flow to protect your high-horsepower machinery from overheating in demanding construction, mining, and earthmoving environments.

Product Highlights

  • Part Number: 3544754 / 354-4754
  • Engine Compatibility: Engineered as a direct drop-in replacement for reliable Caterpillar C4.4, C6.6, and C7.1 heavy-duty industrial engines.
  • Heavy-Duty Construction: Manufactured with top-tier anti-corrosive housing and precision-balanced impellers to resist cavitation, erosion, and continuous thermal stress.
  • Advanced Cooling Seal Group: Equipped with premium alloy seals and robust bearing sets to eliminate coolant leakage and ensure stable pressure throughout the entire cooling system.

Technical Specifications

Parameter Specification
Part Number 3544754 / 354-4754
Product Type Heavy-Duty Engine Water Pump
Primary Engine Fit Caterpillar (CAT) C4.4 / C6.6 / C7.1 Engines
Material Housing High-Strength Precision Cast Materials & Alloy Unitized Seals
Application Range Caterpillar Heavy Machinery, Wheeled Excavators, Wheel Loaders, Backhoes, and Track Dozers
Warranty 12 Months Warranty

Compatible Models & Equipment

This premium 354-4754 water pump fits a wide selection of Caterpillar heavy-duty equipment powered by CAT C4.4, C6.6, and C7.1 diesel engines:

  • Caterpillar Excavators: 320D / 320D2 / 320D2 L / M313D / M315D
  • Caterpillar Wheel Loaders: 914G / 914G2 / 938H
  • Caterpillar Backhoe Loaders: 420E / 430E / 450E
  • Caterpillar Track-Type Tractors (Bulldozers): D3K XL / D3K LGP / D4K XL / D4K LGP / D5K XL / D5K LGP

Key Applications

  • Engine Thermal Management: Restores factory-standard coolant flow rates to regulate cylinder block temperatures and preserve stable engine performance under heavy torque.
  • Heavy Earthmoving & Construction Fleet Maintenance: Engineered to provide reliable operations for high-performance excavators, loaders, and dozers operating in harsh environment duty cycles.
  • Cooling System Overhaul: Ideal aftermarket replacement part for curing common weeping issues or bearing noises from aging original factory pumps.

Why Choose Our Aftermarket CAT Pumps?

  • Guaranteed OEM Quality: Manufactured under strict ISO 9001 quality standards to match or exceed original equipment performance and durability.
  • Cost-Effective Solution: Achieve premium dealer-level reliability and identical performance at a fraction of the OEM replacement price.
  • Ready to Ship: Kept in stock for immediate worldwide dispatch to reduce your machine's idle downtime significantly.
  • Industry-Leading Support: Backed by a full 1-year warranty and a team of professional heavy machinery engine technical experts.

Frequently Asked Questions (FAQ)

Q: Does this water pump include the installation gasket kit for C4.4/C6.6/C7.1 engines?

A: Yes, our premium aftermarket 354-4754 water pump comes complete with high-quality installation gaskets and seals to ensure a seamless, leak-free installation.

Q: Will this pump fit both D3K, D4K, and D5K Series crawler dozers?

A: Absolutely. It is fully compatible with D3K, D4K, and D5K configurations (including XL and LGP models) as long as they specify the matching Caterpillar engine series.

Q: What quality checks do your water pumps undergo?

A: Each pump is precision-machined and undergoes rigorous hydraulic pressure and spin testing to ensure zero housing porosity and flawless seal performance before worldwide shipment.

Q: How long does international shipping take?

A: In-stock orders are typically dispatched within 3–5 business days. We offer expedited shipping and global air freight options for emergency machine breakdown situations.


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