Caterpillar 3408 Engine Water Pump & Cooling System Parts Catalog

The Caterpillar 3408 is a legendary V8 diesel engine known for its reliability in heavy-duty marine, industrial, construction, and power generation applications. A critical component in maintaining its performance is the engine’s cooling system. At the heart of that system lies the engine water pump, which ensures continuous coolant circulation to regulate temperature and protect the engine from overheating.

This catalog highlights every available water pump option for the Caterpillar 3408, along with rebuild kits, silicone coolant hoses, clamps, and gauges to keep the entire system operating at peak efficiency. Each component listed is engineered for durability and direct compatibility with Caterpillar 3408 engines, so operators can maintain confidence during demanding use.

Engine Water Pumps for Caterpillar 3408

Standard Water Pump for Caterpillar 3408

This engine water pump fits the Caterpillar 3408 as well as related 3406, 3408C, and C18 applications. It is designed to provide consistent coolant circulation in both stationary and mobile engines. Whether powering a mining haul truck or a marine vessel, this water pump maintains stable operating temperatures.

Key Features:

• Precision-engineered impeller for efficient coolant flow.

• Durable casting that resists wear and corrosion.

• Designed for heavy-duty service in extreme environments.

• Direct replacement for Caterpillar 3408 cooling systems.

Fresh Water Pump for Caterpillar 3408, 3408B, and 3408C

This fresh water pump is compatible with multiple versions of the Caterpillar 3408, including the B and C models. It is built to Caterpillar’s specifications and works with arrangement numbers 1167139, 1566896, 1773057, 1773058, 1773059, 2W6101, 4N2243, 4W4000, 6N1152, 7W7583, 8N6663, 1054834, and 1054835.

Why It Matters:
The Caterpillar 3408 is often used in marine propulsion, offshore rigs, and industrial generators. In these environments, consistent fresh water cooling is vital. This pump provides the necessary reliability for extended service life, reducing downtime and maintenance costs.

Heavy-Duty Fresh Water Pump for Caterpillar 3408

This version of the water pump is designed specifically for certain arrangement numbers: 4W8050, 7C6039, 5Y0298, 5Y9416, 9Y0046, 9Y0657, 9Y0658, and 9Y0812.

Highlights:

• Heavy-duty construction for long-term performance.

• Handles higher thermal loads typical of industrial engines.

• Ensures effective temperature regulation even under full load conditions.

Water Pump Rebuild Kits for Caterpillar 3408

Over time, even the most durable water pumps experience wear. Rather than replacing the entire assembly, rebuild kits allow operators to restore performance and extend the life of their original pump.

Rebuild Kit for Caterpillar 3408

For arrangement numbers 4W8050, 7C6039, 5Y0298, 5Y9416, 9Y0046, 9Y0657, 9Y0658, and 9Y0812, this kit includes the essential seals, bearings, and components to restore pump functionality.

Benefits:

• Cost-effective alternative to full replacement.

• Easy to install with basic mechanical tools.

• Maintains OEM-level reliability.

Rebuild Kit for Caterpillar 3406 & 3408

This dual-compatible kit is designed for engines with arrangement numbers 2W7067 and 4W3801, and serial numbers within the 4TB range (1–2986).

Why Operators Choose It:

• Ideal for fleets with both Caterpillar 3406 and 3408 engines.

• Ensures common maintenance solutions across different engine types.

• Reduces downtime by keeping rebuild parts on hand.

Coolant Hoses for Caterpillar 3408 Cooling Systems

No water pump can operate effectively without a robust network of hoses. For the Caterpillar 3408, silicone coolant hoses are the preferred choice thanks to their durability, flexibility, and resistance to extreme temperatures.

Available Sizes:

• 3/4", 1", 1 3/4", 1 7/8", 2", 2 1/8", 2 1/4", 2 3/8", 2 1/2", 2 3/4", 3", 3 1/2", 4" inside diameters.

• Each hose is sold in 1-foot lengths, making them adaptable for custom installations.

Advantages of Silicone Hoses:

• Superior heat resistance compared to rubber.

• Resistant to cracking, hardening, and coolant chemical breakdown.

• Flexible enough to fit in tight engine compartments.

• Long service life in heavy-duty diesel environments.

Hose Clamps for Caterpillar 3408 Cooling System

Proper hose installation requires clamps that can withstand vibration, pressure changes, and constant thermal cycling. The Caterpillar 3408 catalog includes clamps in various effective diameter ranges to secure every hose size.

Clamp Range Options:

• 9/16" to 1-1/16"

• 11/16" to 1-1/4"

• 13/16" to 1-3/4"

• 1" to 1.5"

• 1-5/16" to 2-1/4"

• 1-9/16" to 2-1/2"

• 2-5/16" to 3"

• 2-7/8" to 3.5"

Built with heavy-duty steel, these clamps prevent leaks and maintain system integrity under the demanding conditions that Caterpillar 3408 engines often encounter.

Mechanical & Electric Gauges

A cooling system is only as effective as its monitoring tools. To complement water pumps and hoses, Diesel Pro offers gauges that provide operators with real-time temperature and pressure readings.

Gauge Options:

• Mechanical Gauges (Standard & With Alarm): Durable and precise, ideal for direct engine installations.

• Electrical Gauges (12V & 24V): Suited for modernized systems requiring electrical output and integration with control panels.

Why Gauges Matter:

• Prevent overheating by giving operators early warnings.

• Help maintain consistent performance in marine and industrial settings.

• Reduce repair costs by catching cooling issues before they escalate.

Why Choose Diesel Pro Power for Caterpillar 3408 Water Pump Parts

• Global Trust: Over 40,000 satisfied customers in 180+ countries rely on Diesel Pro for Caterpillar parts.

• Fast Shipping: All orders are shipped within 24 hours and include full tracking.

• Engine-Specific Catalogs: Each part here is designed exclusively for the Caterpillar 3408, removing guesswork.

• Durability & Reliability: Diesel Pro aftermarket parts are engineered for long-term performance in marine, industrial, and construction applications.

• Expert Support: Specialists with decades of Caterpillar experience are available for guidance on installation and maintenance.