Detroit Diesel 16V71 Non-Turbo Fresh Water Pump & Cooling System Components Catalog

The Detroit Diesel 16V71 Non-Turbo engine is a legendary powerplant known for its durability and performance in marine, industrial, and stationary power generation applications. Keeping this massive two-stroke engine properly cooled is critical to maintaining its long life and reliable performance. The freshwater pump—sometimes called the coolant pump—sits at the heart of the cooling system, circulating coolant through the engine block, cylinder heads, oil cooler, and heat exchanger. Without a properly functioning pump, overheating can lead to severe damage, costly downtime, and shortened engine life.

This catalog provides a complete breakdown of freshwater pumps, repair kits, gaskets, seals, thermostats, coolant hoses, clamps, and related cooling system parts for the Detroit Diesel 16V71 Non-Turbo engine. All components are organized for quick identification, ensuring operators, fleet managers, and marine engineers can easily locate and source the exact cooling system parts they need.

Fresh Water Pumps for Detroit Diesel 16V71 Non-Turbo

Marine Fresh Water Pump – 16V71 Non-Turbo

Designed specifically for marine engines, this rebuilt freshwater pump ensures continuous coolant flow through the block and marine heat exchanger. Ideal for commercial vessels, tugboats, ferries, and workboats powered by the 16V71, this pump maintains optimal engine temperatures even under full load conditions. Each unit is sold on a refundable core exchange program, ensuring sustainable remanufacturing.

Industrial Fresh Water Pump – 16V71 Non-Turbo

For stationary power plants, industrial duty cycles, and land-based equipment, the industrial configuration of the Detroit Diesel 16V71 freshwater pump is built with a durable 3-stud mounting design. Like its marine counterpart, it is offered on a rebuilt and core-exchange basis. This pump keeps engines cool during extended continuous operation in high-demand environments such as mining, oilfield support, and generator applications.

Fresh Water Pump Repair Kits

For operators preferring to rebuild rather than replace, Diesel Pro Power offers full repair kits for the Detroit Diesel 16V71 freshwater pump. These kits include all necessary internal wear parts—bearings, seals, and gaskets—allowing technicians to restore a pump to like-new performance without replacing the full assembly. Options are available for both standard capacity and high-capacity pump configurations.

Gaskets for Detroit Diesel 16V71 Cooling System

Fresh Water Pump Cover Gaskets

Gaskets are critical for sealing the water pump housing and preventing coolant leaks under pressure. Multiple gasket options are available for the 16V71 freshwater pump, ensuring compatibility with different housing designs.

Block Water Outlet Gasket

This gasket seals the block water outlet, preventing leaks at the point where coolant exits the block. It is also used in conjunction with block heater installations.

Thermostat Gasket

An essential component for sealing around the thermostat housing, ensuring coolant flows correctly through the temperature-regulating system.

Seals & Water Pump Components

• Water Pump Seal (Standard & High Capacity) – Designed for Series 71 and Series 92 engines, ensuring coolant containment and preventing leaks at the shaft.

• Manifold to Oil Cooler Housing Seals – Available in multiple diameters (2.5" and 2.75") with inner lips for secure sealing between the water manifold and oil cooler housing.

• Thermostat Seals – Durable elastomer seals prevent leaks around thermostat units, maintaining proper pressure and flow.

Thermostats for Detroit Diesel 16V71 Non-Turbo

To regulate coolant temperature, several thermostat options are available, depending on application requirements:

• 160-Degree Thermostat – Often used in colder climates or light-duty operations where quicker warm-up is desired.

• 170-Degree Thermostat – A balanced option for most standard 16V71 Non-Turbo applications.

• 180-Degree Thermostat – Common for heavy-duty or continuous-load marine and industrial use, ensuring engines maintain peak operating efficiency under stress.

Radiator Components

• Radiator Caps – Available in standard 7 lb. pressure rating to maintain correct cooling system pressure.

• Radiator Cap Necks – Offered in both small and large configurations to fit different radiator housing styles.

Cooling Hoses – Premium Silicone Construction

Silicone coolant hoses outperform rubber alternatives, offering superior heat resistance, flexibility, and longevity. For the Detroit Diesel 16V71 Non-Turbo, hoses are available in a wide range of diameters to fit every connection in the cooling system.

Sizes include:

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

Each hose is sold in 1-foot sections for precise installation.

Hose Clamps

To secure coolant hoses under pressure, Diesel Pro Power provides durable hose clamps in multiple diameter ranges. Options cover everything from small fuel and coolant lines to the largest 4" connections on the 16V71 system. Stainless steel construction ensures resistance to corrosion and long service life in marine environments.

Supporting Cooling System Accessories

• Drain Cocks – Allow quick coolant draining for service or winterization.

• Temperature Switches – Close at 205°F to activate alarms or protective shutdown systems, ensuring safe operation.

• Radiator Cleaner (18E Formula) – Specially formulated cleaner for dissolving deposits, improving heat transfer, and extending radiator life.

• Engine Paint – Detroit Diesel Green – Protects against rust while maintaining OEM-style appearance after service.

Gauges & Monitoring Equipment

Keeping track of coolant temperature and pressure is vital on a 16V71. Diesel Pro Power offers:

• Mechanical gauges (with and without alarms).

• Electrical gauges in both 12V and 24V options.
  These gauges provide accurate monitoring, enabling operators to detect early signs of cooling system issues before they escalate.

Why Buy Detroit Diesel 16V71 Fresh Water Pump & Cooling System Parts from Diesel Pro Power?

When maintaining or rebuilding a Detroit Diesel 16V71 Non-Turbo engine, the choice of supplier is just as important as the parts themselves. A cooling system failure can sideline a vessel, generator, or industrial engine, costing operators both time and money. That’s why thousands of engineers, mechanics, and fleet managers worldwide turn to Diesel Pro Power as their first choice for Detroit Diesel cooling system components. With unmatched experience, an extensive catalog, and a commitment to customer service, Diesel Pro Power is more than just a parts supplier—it’s a trusted partner in keeping your 16V71 running at peak performance.

Global Reputation

Diesel Pro Power has earned the confidence of more than 40,000 satisfied customers spread across over 180 countries. From commercial vessels crossing the world’s busiest shipping lanes to power generation stations in remote regions, customers rely on Diesel Pro Power for consistent performance and support. This global presence is backed by years of proven experience in the Detroit Diesel market, ensuring that wherever your 16V71 operates, reliable replacement parts are always within reach.

Premium Aftermarket Quality

The cooling system of a 16V71 is too critical to risk with inferior components. That’s why every freshwater pump, gasket, seal, thermostat, and hose supplied by Diesel Pro Power is manufactured to meet or exceed Detroit Diesel’s rigorous performance standards. Whether it’s a rebuilt pump designed for long-lasting durability, a silicone coolant hose engineered for heat resistance, or a thermostat calibrated for precise temperature control, you can be confident that every component is built to deliver dependable service. This commitment to quality gives operators peace of mind and extends the lifespan of these powerful engines.

Comprehensive Catalog

Time is money, especially when an engine is down. Diesel Pro Power makes the parts identification process fast and simple with a catalog fully organized by engine model and system. Instead of sifting through hundreds of unrelated components, customers can immediately access all freshwater pump and cooling system parts designed specifically for the Detroit Diesel 16V71 Non-Turbo. From major assemblies like rebuilt pumps to small but essential items such as gaskets, seals, clamps, and drain fittings, every part you need is in one place.

Fast Worldwide Shipping

Downtime is one of the most costly problems in marine and industrial operations. Diesel Pro Power helps minimize these interruptions by offering fast, reliable worldwide shipping. Whether you need a complete pump assembly sent to a major port city or a small gasket delivered to a remote site, their logistics network ensures quick delivery. This commitment to reducing downtime is one of the reasons operators across the globe consistently choose Diesel Pro Power over other suppliers.

Expert Technical Support

Finding the right part for a 16V71 cooling system isn’t always straightforward. Details such as pump rotation, repair kit compatibility, thermostat rating, and hose diameter can make the difference between a correct fit and costly delays. Diesel Pro Power’s team of experienced specialists is available to provide expert guidance, ensuring customers get exactly what they need the first time. This personalized support helps operators avoid mistakes, speeds up maintenance, and keeps critical engines performing as designed.