Caterpillar 3304 Marine Water Pump and Cooling System Parts Catalog

Marine Water Pump for Caterpillar 3304 Engines

The Caterpillar 3304 marine water pump is the heart of the raw water cooling system, ensuring reliable circulation of seawater through the heat exchangers to maintain safe operating temperatures. Designed for durability and performance, these pumps are essential for preventing overheating in marine applications where consistent cooling is critical.

Whether powering commercial vessels, workboats, or offshore equipment, the 3304’s marine water pump is built to withstand harsh operating conditions, saltwater exposure, and continuous duty cycles. Diesel Pro Power provides new, OEM-grade raw water pumps engineered to meet or exceed Caterpillar standards for performance and longevity.

Key Features:

• Heavy-duty construction for long service life.

• Flange port design for easy installation.

• Engineered to maintain correct flow rates under varying engine loads.

• Backed by expert technical support from Diesel Pro Power.

Marine Pump Impellers for Caterpillar 3304

A properly functioning impeller is vital to the raw water pump’s performance. The impeller blades draw in seawater and push it through the cooling system. Over time, impellers can wear down, crack, or lose flexibility, which reduces efficiency and risks engine overheating.

At Diesel Pro Power, we supply high-quality impellers with precision-cut blades and spline drive systems that match Caterpillar, Detroit Diesel, and Volvo Penta pumps. These impellers are designed for marine durability, resisting saltwater corrosion and delivering consistent water flow.

Benefits of Replacement Impellers:

• Prevents overheating due to weak water flow.

• Reduces downtime caused by sudden pump failure.

• Restores original pump performance.

• Easy installation with matching dimensions for 3304 marine engines.

Impeller Pullers for Caterpillar Marine Pumps

Replacing an impeller requires the right tools. The impeller puller is designed to safely remove old or damaged impellers from the water pump housing without causing damage to the pump body. This tool saves time during routine maintenance and ensures impeller removal is clean and efficient.

Marine operators choose Diesel Pro Power impeller pullers because:

• They are built from durable materials for long service life.

• Compatible with Caterpillar, Detroit Diesel, Cummins, and other major marine engines.

• Simplifies maintenance tasks, reducing service times and labor costs.

Zinc Anodes for Caterpillar 3304 Cooling Systems

Saltwater is highly corrosive, which is why zinc anodes are a critical defense against electrolysis in marine cooling systems. Installed within the raw water system, these sacrificial anodes protect expensive components—like the pump housing, heat exchangers, and piping—by corroding first.

Diesel Pro Power provides a wide range of zinc anodes compatible with Caterpillar 3304 and related marine engines. Our catalog includes multiple sizes and NPT thread types to match various cooling configurations.

Why Replace Zinc Anodes Regularly?

• Prevents corrosion of pump housings, liners, and other cooling components.

• Extends the life of the entire marine cooling system.

• Provides affordable protection compared to costly repairs.

• Easy to install and replace during routine maintenance.

Silicone Coolant Hoses for Caterpillar 3304 Marine Engines

Although raw water cools the heat exchanger, internal coolant hoses play an equally vital role in maintaining engine temperatures. Diesel Pro Power carries premium silicone hoses designed for Caterpillar 3304 engines.

Advantages of Silicone Hoses:

• Higher resistance to heat and pressure compared to rubber hoses.

• Long-lasting flexibility and durability, even under continuous operation.

• Available in multiple diameters to match all coolant connections.

• Resistant to oil, saltwater exposure, and engine vibrations.

By using silicone hoses in conjunction with a reliable water pump, operators can ensure their Caterpillar 3304 engine remains properly cooled in demanding marine environments.

Hose Clamps for Marine Cooling Systems

Secure hose connections are essential to preventing leaks and ensuring proper coolant and seawater flow. Diesel Pro Power offers a full range of stainless steel hose clamps designed to withstand marine conditions.

Features of Our Hose Clamps:

• Corrosion-resistant material designed for saltwater applications.

• Wide range of diameters for different hose sizes.

• Strong, adjustable tension for leak-proof connections.

• Simple installation for quick replacements during service intervals.

Why Choose Diesel Pro Power for Caterpillar 3304 Raw Water Pump Parts

Operators around the world trust Diesel Pro Power for Caterpillar marine engine parts, including the complete cooling system for the 3304. Here’s why:

• Global Reach: More than 40,000 satisfied customers across 180+ countries.

• OEM-Grade Quality: Every pump, impeller, anode, hose, and clamp meets or exceeds Caterpillar engineering standards.

• Fast Worldwide Shipping: Downtime is costly, so we deliver quickly to any port or location.

• Expert Technical Support: Our team specializes in Caterpillar marine engines and assists with selecting the right components.

• Comprehensive Catalog: All cooling system parts are organized by engine model and system for easy navigation.

Maintenance Tips for Caterpillar 3304 Raw Water Pumps

To maximize the life of your 3304 engine and reduce costly downtime, it is essential to keep the raw water pump and cooling system in top condition.

• Inspect impellers every 250 hours of operation.

• Replace zinc anodes regularly to prevent corrosion.

• Check hoses for cracks, swelling, or leaks.

• Ensure hose clamps are tight and free from rust.

• Service or replace the water pump at recommended intervals or when flow decreases.

Applications of Caterpillar 3304 Marine Engines

The 3304 engine is widely used in marine propulsion and auxiliary applications, making its cooling system one of the most important aspects of its operation. Typical applications include:

• Tugboats and harbor craft.

• Offshore support vessels.

• Fishing vessels and trawlers.

• Industrial barges and dredging equipment.

• Marine generators and auxiliary power units.

In all these applications, the raw water pump plays a critical role in preventing overheating and ensuring uninterrupted operation at sea.