Parts for Detroit Diesel 471 Turbo - Marine Water Pump Section

Parts for Detroit Diesel 471 Turbo – Marine Water Pump Section

The Detroit Diesel 471 Turbo engine represents one of the most enduring and efficient designs in the history of marine diesel propulsion. Known for its two-stroke reliability, smooth torque curve, and consistent cooling performance, the 471 Turbo has powered a wide variety of vessels—from commercial fishing boats and tugboats to pleasure craft and patrol vessels. Proper cooling through a dependable marine water pump system is crucial to maintaining the 471 Turbo’s legendary performance and longevity.

This section provides a complete, SEO-optimized parts catalog for Detroit Diesel 471 Turbo marine water pumps and all related components, including impellers, seals, gaskets, thermostats, zincs, and hoses. Each item has been carefully curated to meet or exceed OEM quality standards, ensuring that your marine engine remains at peak operating temperature and continues to deliver reliable power for years to come.

Marine Water Pumps for Detroit Diesel 471 Turbo

The marine water pump (also known as the raw water pump or seawater pump) is at the heart of the engine’s cooling system. It circulates seawater through the heat exchanger, allowing the engine coolant to stay at an optimal temperature. A high-quality pump ensures proper lubrication of the bearings and seals while maintaining flow efficiency, especially under demanding marine conditions.

New Marine Water Pump for Detroit Diesel 471 Turbo
This new marine water pump is designed specifically for Detroit Diesel 53 and 71 Series engines, including the 471 Turbo. It features a bidirectional rotation design, meaning it can turn either right or left depending on the engine’s configuration. The 1” flange port type ensures easy installation, while the inclusion of a drive gear and mounting adapter simplifies setup for technicians and vessel owners alike.

The pump’s robust construction withstands constant exposure to seawater, resisting corrosion and wear even in harsh saltwater environments. It’s fully compatible with the Detroit Diesel 471 Turbo and provides consistent flow at high RPMs to prevent overheating during extended engine operation.

Rebuilt Marine Water Pump – Premium Quality
For those seeking a cost-effective yet reliable solution, Diesel Pro Power also offers rebuilt marine water pumps for the 471 Turbo. These units are restored to OEM specifications and tested for performance and pressure before shipping. Each pump is sold with a refundable core deposit, promoting sustainable refurbishment and ensuring that your old pump can be recycled efficiently.

The rebuilt pumps feature a 1½” flange port and come complete with an adapter and drive gear. The impeller height of 2½ inches ensures proper water flow rates for marine applications. These pumps are ideal for boat owners who want reliable cooling performance without compromising on quality.

High-Performance Marine Water Pump (New Assembly)
The premium new assembly marine pump offers maximum durability for intensive marine environments. It includes precision-machined components and a heavy-duty bronze impeller for superior resistance to pitting and erosion. The bidirectional rotation capability means it fits multiple configurations of the Detroit Diesel 471 Turbo without modification.

This pump delivers consistent seawater circulation, minimizing cavitation and ensuring proper heat transfer through the engine’s heat exchanger and oil cooler. It’s the go-to choice for operators running their engines for long hours under load.

Marine Water Pump Components for Detroit Diesel 471 Turbo

Impellers

The impeller is a vital internal component of the raw water pump, responsible for drawing seawater through the system. A worn impeller can lead to overheating and engine damage, so regular replacement is essential.

12-Blade Impeller (12-Spline Drive)
This impeller fits multiple marine water pumps for the Detroit Diesel 471 Turbo. Measuring 3¾” in diameter and 2½” in height, it delivers efficient flow for turbocharged configurations. Made from reinforced neoprene, it resists cracking and distortion under pressure, ensuring long service life.

Regular inspection of your impeller during routine maintenance helps maintain the engine’s temperature stability and prevents damage to your pump housing or seals.

Thermostats and Gaskets

Temperature regulation is essential for efficient combustion and fuel economy. Thermostats control coolant flow based on temperature, while gaskets ensure tight seals between components.

Detroit Diesel Thermostat (173°F)
Designed for the 371, 471, and 671 series, this thermostat opens at 173 degrees Fahrenheit, keeping your engine within safe operating limits. It improves fuel efficiency and prevents excessive thermal stress.

Thermostat Gaskets & Housing Gaskets
High-quality gaskets provide leak-free sealing between the thermostat housing and engine block. Diesel Pro Power offers multiple gasket types—each resistant to heat, oil, and coolant exposure. Using genuine replacement gaskets helps prevent coolant loss and corrosion in the engine bay.

Marine Water Pump Repair Kits

When performing preventive maintenance, having a complete repair kit on hand saves time and money.

Detroit Diesel Marine Water Pump Repair Kit
This comprehensive kit includes all necessary seals, bearings, and O-rings for pumps with a 2½” impeller height. Suitable for the 6V53, 6V71, 6-71, and 6V92, it also works perfectly for the 471 Turbo when used with compatible pump housings. It restores water pump performance to factory levels, ensuring optimal seawater circulation.

Seals, Gaskets, and Mounting Components

Water Pump Seals
The Detroit Diesel marine water pump seal prevents leakage around the pump shaft, maintaining water pressure and protecting internal bearings. Made of durable elastomeric material, it resists saltwater degradation.

Adapter and Mounting Gaskets
Adapter gaskets connect the pump to the engine’s housing. The Detroit Diesel adapter gasket for the 353, 453, 271, 371, 471, and 671 engines ensures tight coupling without leaks.

Mounting and Plate Gaskets
Additional gaskets like the mounting gasket, flywheel-to-pump gasket, and plate gasket help maintain seal integrity throughout the entire assembly.

Cooling System Accessories

Heat Exchanger & Oil Cooler Components

The Detroit Diesel 471 Turbo relies on an external heat exchanger system to dissipate heat.

Marine Heat Exchange Tank (Used & Refurbished Options)
A durable marine heat exchange tank provides an efficient coolant-to-seawater heat transfer. Refurbished models are inspected for leaks and corrosion resistance.

Heat Exchanger Core & Gasket Kit
The heat exchanger core allows maximum heat dispersion while maintaining a compact profile. The gasket kit ensures that each joint within the heat exchanger assembly is watertight.

Gland & Seal Components for Engine Tanks
Glands and seals for heat exchangers prevent leaks at pipe junctions and are crucial for maintaining system pressure. Diesel Pro Power supplies these with marine-grade rubber materials to withstand constant exposure to saltwater.

Zinc Anodes for Corrosion Protection

Marine cooling systems operate in saltwater environments where galvanic corrosion is common. Zinc anodes act as sacrificial metals that corrode first, protecting the rest of the engine and water pump components.

Zinc Anodes for Heat Exchangers and Pumps
Available in various sizes—from ⅛” NPT to ¾” NPT—these anodes are compatible with Detroit Diesel 471 Turbo engines. Each zinc anode is mounted with a brass plug for easy installation.

Proper anode maintenance ensures extended component life, especially for pumps, fuel coolers, and oil coolers. Replacing them regularly is one of the simplest and most effective ways to prevent system corrosion.

Pump Housing, Wear Plates, and Covers

Wear Plate for Marine Water Pump
The wear plate protects the interior surface of the pump housing from abrasion caused by rotating impellers. It’s essential for extending the service life of your water pump.

Pump Cover and Screws
Covers for 2½” and 3½” impeller pumps are available, with corrosion-resistant screws for easy reassembly. Maintaining the integrity of these covers ensures consistent pump pressure and leak prevention.

Seals, Bearings, and Couplings

Mechanical Water Seal
A precision seal prevents seawater intrusion into the pump bearing cavity. This mechanical seal supports the pump’s pressure chamber and ensures durability under marine load.

Bearing Oil Seal
Bearing oil seals keep lubrication within the pump bearings while blocking external contaminants. Replacing these seals during pump overhauls guarantees smoother operation.

Accessory Drive Coupling
The 21-tooth accessory drive coupling connects the raw water pump to the engine drive system. Its robust design ensures torque transfer without slippage, vital for consistent pump performance under varying RPMs.

Cooling System Hardware

Radiator Components

Radiator Caps and Necks
The radiator cap maintains system pressure at 7 lbs, ensuring efficient coolant circulation. The matching neck assemblyfits standard 471 Turbo radiators for tight sealing and easy maintenance.

Radiator Gaskets
These gaskets seal coolant passages and prevent leaks at high pressure. Detroit Diesel radiator gaskets are made of high-temperature resistant materials suitable for marine use.

Hoses and Clamps

Silicone Coolant Hoses
High-grade silicone hoses provide excellent resistance to heat and pressure, making them ideal for the 471 Turbo’s demanding environment. They’re available in various inner diameters—from 1” to 4”—and are designed to handle continuous exposure to coolant and seawater.

Hose Clamps
Heavy-duty clamps secure hoses to fittings and prevent leaks under pressure. With effective diameter ranges from 9/16” to 3”, Diesel Pro Power provides clamps for every connection point in your cooling system.

Additional Marine Cooling Accessories

Intake Water Strainers
The 1½” pipe-size intake water strainer protects your raw water pump by filtering debris from seawater intake. It’s essential for preventing impeller damage and maintaining consistent flow.

Marine Paint and Protective Coatings
High-temperature Detroit Diesel Green paint helps protect metal surfaces from corrosion and gives engines a factory-fresh appearance.

Silicone Coolant Tubing
Flexible coolant hoses offer easy routing and superior performance. They’re compatible with both coolant and seawater applications, ensuring proper fitment and long service life.

Why Buy Marine Water Pumps for Detroit Diesel 471 Turbo from Diesel Pro Power

When it comes to maintaining or rebuilding your Detroit Diesel 471 Turbo engine, Diesel Pro Power stands as the trusted name for marine-grade replacement parts. With over 40,000 satisfied customers worldwide, Diesel Pro Power has built its reputation on reliability, technical expertise, and a commitment to quality.

• Genuine Quality and Fit: Every pump, gasket, and accessory is designed to meet or exceed OEM standards for precise fit and performance.

• Global Shipping: Fast, secure international delivery ensures you get your marine parts wherever your vessel is docked.

• Expert Support: Our experienced technicians are available to help identify correct parts for your specific Detroit Diesel 471 Turbo configuration.

• Comprehensive Inventory: From new water pumps to complete repair kits and zinc anodes, everything you need for a full cooling system overhaul is in one place.

• Sustainability: Our rebuilt pump program allows customers to return old units for recycling, reducing waste and promoting eco-friendly marine maintenance.