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for Caterpillar® Marine

3000 Series

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Aftermarket Parts Catalog for Caterpillar Marine & Industrial Engines

Diesel Pro Power is proud to offer a complete aftermarket catalog of parts for Caterpillar marine and industrial engines. With over 40,000 satisfied customers worldwide, we have built a reputation for reliability, fast shipping, and expert support. Whether you operate a commercial vessel, industrial equipment, or a power generation unit, our Caterpillar parts selection ensures your engine continues to perform at peak efficiency.

Our catalog covers the most in-demand Caterpillar engine series, including the 3200, 3300, 3400, and 3500 families, among others. Each product category below is carefully stocked to meet the needs of operators, repair facilities, and fleet managers worldwide.

Aftermarket Overhaul Kits for Caterpillar Engines

Rebuilding a Caterpillar engine requires precision and trusted components. Our aftermarket overhaul kits for Caterpillar engines are designed to provide everything you need for a complete in-frame or top-end rebuild, including pistons, liners, rings, gaskets, bearings, and seals. These kits offer a cost-effective alternative to OEM, while still meeting the high durability and performance standards required for marine and industrial applications.

Whether you operate a smaller 3100 series engine or a high-horsepower 3500 or C32, our aftermarket overhaul kits are assembled to restore compression, reduce oil consumption, and extend engine life under heavy duty operation.

Caterpillar 3100 Series Aftermarket Overhaul Kits

The Caterpillar 3100 series engines are compact yet dependable, widely used in light industrial equipment and auxiliary marine applications. Our aftermarket kits provide the complete set of components required for a thorough rebuild.

Available Kits:

  • Overhaul Kit for Caterpillar 3114

  • Overhaul Kit for Caterpillar 3116

  • Overhaul Kit for Caterpillar 3126

Each kit is designed to refresh cylinder sealing, restore performance, and minimize downtime.

Caterpillar 3200 Series Aftermarket Overhaul Kits

Caterpillar 3200 series engines are popular in both propulsion and generator applications. Our aftermarket kits ensure these engines continue to deliver consistent power and reliability.

Available Kits:

Every kit includes pistons, liners, rings, gaskets, seals, and bearings to support a complete in-frame or top-end rebuild.

Caterpillar 3400 Series Aftermarket Overhaul Kits

The Caterpillar 3400 series is one of the most relied-upon families in heavy-duty industrial and marine environments. These engines deliver high horsepower and are known for durability, making proper overhauls critical to long-term service.

Available Kits:

Our aftermarket kits are engineered to restore original compression, fuel efficiency, and long-term performance.

Caterpillar 3500 Series Aftermarket Overhaul Kits

The 3500 series is trusted in large-scale marine propulsion and power generation. Our aftermarket overhaul kits are designed to meet the heavy demands of these engines in continuous-duty service.

Available Kits:

With robust aftermarket parts, these kits help operators maintain output and reliability in mission-critical applications.

Caterpillar C32 Aftermarket Overhaul Kits

The Caterpillar C32 is a modern high-horsepower engine widely used in marine and industrial settings. Our aftermarket overhaul kits deliver everything needed to rebuild this powerhouse while maintaining efficiency and reliability.

Available Kits:

  • Overhaul Kit for Caterpillar C32

These kits restore engine performance, extend operating life, and provide cost-effective maintenance for advanced Caterpillar platforms.

Cylinder Heads for Caterpillar Engines

Cylinder heads are one of the most critical components in any Caterpillar engine, maintaining compression, enabling efficient combustion, and supporting long-term engine health. Diesel Pro Power supplies new and remanufactured Caterpillar cylinder heads for a wide range of models in the 3200, 3300, and 3400 series.

Each cylinder head is inspected and pressure-tested for proper fit and sealing. Many heads come with valves, guides, and springs pre‑installed to streamline installation and ensure reliability. For heavy‑duty marine and industrial use, a high‑quality cylinder head helps prevent leaks, maintain compression, and extend overall engine life.

Caterpillar 3200 Series Cylinder Heads

The 3200 series powers marine propulsion systems, generator sets, and compact industrial machinery. Selection differs by induction type, so choose the correct turbocharged or naturally aspirated head for your engine.

Available Cylinder Heads:

New and remanufactured options are available to match budget and service strategy while restoring compression and reducing oil consumption.

Caterpillar 3300 Series Cylinder Heads

Caterpillar 3300 engines are common in auxiliary marine power, construction, and industrial equipment. Replacing a worn or cracked head restores combustion efficiency and reduces downtime.

Available Cylinder Heads:

  • Cylinder Head for Caterpillar 3304

  • Cylinder Head for Caterpillar 3306

All heads are precision-tested to withstand continuous‑duty thermal loads and to maintain long‑term sealing integrity.

Caterpillar 3400 Series Cylinder Heads

The 3400 family is trusted in high‑horsepower marine and industrial applications. Variants within each model require cylinder heads engineered for extreme combustion pressure and heat.

Caterpillar 3406 Series

Available Cylinder Heads:

Caterpillar 3408 Series

Available Cylinder Heads:

Caterpillar 3412 Series

Available Cylinder Heads:

Each 3400‑series head is offered in new or remanufactured condition, with valvetrain components pre‑installed where applicable. Built to OEM‑equivalent standards, these heads restore compression, stabilize operating temperatures, and support reliable long‑hour service in demanding environments.

Raw Water Pumps for Caterpillar Marine Engines

Marine engines depend on raw water pumps to maintain safe operating temperatures by drawing seawater into the cooling system. These pumps must deliver continuous high-volume flow, resist corrosion from saltwater, and perform reliably in tough marine environments.

Diesel Pro Power carries raw water pumps for Caterpillar 3200, 3400, and 3500 series engines, along with replacement impellers, seals, and service kits. Each pump is manufactured with marine-grade housings and corrosion-resistant internals, ensuring long service life and consistent cooling performance.

Caterpillar 3200 Series Raw Water Pumps

Caterpillar 3400 Series Raw Water Pumps

3406 Models

3408 Models

3412 Models

Caterpillar 3500 Series Raw Water Pumps

3508 Models

3512 Models

3516 Models

Freshwater Pumps for Caterpillar Engines

Freshwater pumps, sometimes called coolant pumps, are essential for circulating antifreeze or coolant through the closed-loop side of Caterpillar’s cooling systems. By maintaining flow through the block, cylinder heads, and heat exchangers, they prevent overheating and safeguard the engine against catastrophic failure.

Diesel Pro Power supplies freshwater pumps for Caterpillar 3200, 3400, and 3500 series engines. Each unit is built to OEM-equivalent standards, pressure-tested for leak-free operation, and designed to provide years of dependable cooling service.

Caterpillar 3200 Series Freshwater Pumps

Caterpillar 3400 Series Freshwater Pumps

3406 Models

3408 Models

3412 Models

Caterpillar 3500 Series Freshwater Pumps

3508 Models

3512 Models

3516 Models

Fuel Injectors for Caterpillar Engines

Fuel injectors are at the heart of engine efficiency. Diesel Pro Power offers Caterpillar fuel injectors engineered for precise fuel delivery, clean combustion, and reduced emissions.

From mechanical injectors in classic CAT 3200 engines to high-performance injectors for 3406 and 3500 series engines, our catalog provides reliable replacements for marine and industrial applications. Proper injector performance ensures maximum horsepower and fuel economy while reducing black smoke and hard starts.

Gasket Kits for Caterpillar Engines

A proper seal is critical for preventing leaks and maintaining compression. Our Caterpillar gasket kits include everything required for major and minor repairs, including head gaskets, intake and exhaust gaskets, oil pan seals, and valve cover gaskets.

Available for CAT 3200, 3300, 3400, and 3500 engines, our kits are manufactured from high-quality materials to withstand extreme pressures and temperatures. Whether you’re overhauling an engine or replacing a single component, our gasket kits provide the reliability you can count on.

Oil Pumps for Caterpillar Engines

Maintaining proper oil circulation is essential to engine longevity. Diesel Pro Power carries replacement oil pumps for Caterpillar marine and industrial engines, including the 3400 and 3500 series.

Designed to deliver consistent oil pressure, our aftermarket pumps protect bearings, pistons, and camshafts from wear. Replacing a failing oil pump ensures reliable lubrication and prevents costly downtime.

Oil Filters for Caterpillar Engines

Protecting your engine from contaminants starts with quality filtration. Diesel Pro Power offers Caterpillar oil filters engineered to trap harmful particles and maintain clean lubrication.

Our filters are available for a wide range of Caterpillar models, ensuring compatibility and protection against wear. Regular oil filter replacement is a simple but critical step in extending your engine’s lifespan.

Fuel Filters for Caterpillar Engines

Diesel engines rely on clean fuel for consistent performance. Our Caterpillar fuel filters are built to capture dirt, water, and other contaminants before they reach sensitive injectors and pumps.

Available for Caterpillar 3200, 3300, 3400, and 3500 series engines, our fuel filters help reduce injector wear, improve fuel efficiency, and prevent costly downtime due to contamination issues.

Gauges for Caterpillar Engines

Monitoring performance is key to engine health. Diesel Pro Power supplies marine-grade gauges designed to withstand vibration, moisture, and harsh environments.

Our selection includes oil pressure gauges, temperature gauges, tachometers, voltmeters, and more—tailored for Caterpillar engine applications. By keeping a close eye on your engine’s performance, you can prevent failures and maintain efficiency.

Why Choose Diesel Pro Power for Caterpillar Parts for Marine and Industrial Engines?

Maintaining or rebuilding a Caterpillar engine in a marine vessel or industrial setting demands more than just parts — it requires reliable supply, specialized expertise, and components engineered for heavy-duty service. Diesel Pro Power is the leading online source for Caterpillar aftermarket parts for marine and industrial engines, trusted worldwide by ship operators, fleets, and industrial facilities that depend on uninterrupted performance.

Global Reach for Marine and Industrial Operators

Diesel Pro Power ships Caterpillar parts to over 180 countries, supplying everything from offshore tugboats and cargo vessels to industrial generator stations and heavy-duty equipment. Our international logistics network ensures fast, dependable deliveries, whether you’re in a major port city or a remote industrial site. Wherever Caterpillar engines power critical operations, Diesel Pro Power delivers.

Proven Customer Satisfaction

With more than 40,000 satisfied customers, Diesel Pro Power has become a trusted name in marine and industrial engine support. Our reputation for fast order processing, accurate deliveries, and reliable aftermarket solutions has made us the preferred supplier for shipyards, power plants, and operators who cannot afford downtime. Customers choose us because they know their Caterpillar engines are supported by a partner who understands the demands of their industries.

Comprehensive Inventory of Caterpillar Parts

Our catalog covers a complete range of Caterpillar engine parts for marine and industrial applications. From overhaul kits, cylinder heads, gasket sets, and piston assemblies to raw water pumps, freshwater pumps, injectors, and engine gauges, Diesel Pro Power provides everything needed to keep Caterpillar engines operating at peak performance. We stock parts for Caterpillar’s most widely used engine families — including the 3200, 3300, 3400, and 3500 series — with sub-model coverage that ensures the right fit for specific applications.

Marine & Industrial Expertise

Unlike general suppliers, Diesel Pro Power focuses on the unique requirements of marine and industrial engines. Marine engines face constant exposure to saltwater, while industrial engines must withstand extreme loads and long operating hours. Our parts are specifically chosen and tested for these conditions, ensuring maximum durability and reliable operation under pressure. Whether your Caterpillar engine powers a cargo ship, a fishing vessel, an offshore rig, or an industrial generator, our components are tailored to meet the challenge.

Quality You Can Trust

Every Caterpillar part we supply is built to OEM-equivalent standards, ensuring precise fit and long-lasting performance. By providing high-quality aftermarket options, we help reduce maintenance costs, extend service life, and minimize unplanned downtime. Operators can install Diesel Pro Power parts with confidence, knowing they are backed by rigorous quality standards and years of proven field use.

At Diesel Pro Power, we go beyond just supplying Caterpillar parts — we deliver a full-service solution for marine and industrial operators worldwide. Explore our catalog today and experience the difference of working with the leading online supplier of Caterpillar aftermarket engine parts.

 

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