Parts For Cummins 6C Marine Engine & Industrial Engines

The Cummins 6C marine engine is a trusted powerplant across both commercial and recreational marine markets. Known for its legendary reliability and efficient performance, the 6C series delivers a strong blend of power and fuel economy in a wide range of vessel types. At Diesel Pro Power, we carry a complete inventory of Cummins 6C parts to keep your engine running at peak condition—shipped globally within 24 hours and backed by expert support.

About the Cummins 6C Marine Engine

A Legacy of Marine Excellence

The Cummins 6C engine is part of the wider C Series platform, offering 8.3 liters of displacement and a 6-cylinder inline configuration. It is turbocharged and aftercooled, with mechanical and electronic control variants available depending on model year and configuration. Designed for long duty cycles and heavy-load operation, the 6C engine has become a mainstay in maritime operations around the world.

Key Specifications:

• Displacement: 8.3 liters

• Configuration: Inline 6-cylinder

• Power Range: Up to 430 HP

• Aspiration: Turbocharged and aftercooled

• Fuel System: Mechanical or electronic injection

• Cooling: Freshwater-cooled with seawater heat exchanger

This engine powers everything from fishing vessels and tour boats to passenger ferries and auxiliary marine systems.

Marine Applications for Cummins 6C Engines

The Cummins 6C is highly valued in maritime applications for its torque curve, fuel efficiency, and ease of maintenance. It supports both propulsion and auxiliary roles across the following categories:

Commercial Vessels

• Tour boats and ferries

• Harbor tugs and crew boats

• Workboats and dredgers

• Marine construction and utility craft

Recreational Marine

• Long-range cruisers

• Motor yachts

• Sailboats with auxiliary diesels

Auxiliary Power

• Marine generators

• Hydraulic pumps

• Onboard air compressors and HVAC support

Built for high uptime and extended service intervals, the 6C Cummins engine remains a popular choice for marine operators around the world.

Cummins 6C Parts Available Online

Diesel Pro Power carries a complete selection of parts to support Cummins 6C engine maintenance, performance, and overhauls. Browse and buy online from our easy-to-use platform.

Rebuild Kits for Cummins 6C

Whether you need a full overhaul or targeted repair, our rebuild kits provide everything in one package:

• Pistons

• Ring sets

• Crankshaft shell sets

• Connecting rod shell sets

• Upper and lower gasket sets

• Cylinder head gaskets

All kits are assembled to OEM-equivalent specs, ensuring precision fit and dependable sealing.

Freshwater Cooling Components For Cummins 6C

Freshwater cooling helps manage thermal loads in the engine’s closed-loop system. We supply:

• Freshwater pumps (covered by warranty)

• Thermostats and housing gaskets

• Fan belts and pulleys

• Radiator cleaner and cooling system flush kits

All components are designed for long-term performance in salt or brackish water conditions.

Seawater Cooling System For Cummins 6C

Seawater is used in heat exchange systems and requires durable, corrosion-resistant components. We offer:

• Raw water pump assemblies

• Thermostat replacements

• Basket strainers

• Zinc anodes

• Seawater system flush solutions

These parts are essential for marine-specific maintenance and longevity.

Cylinder Heads and Valve Train For Cummins 6C

Cylinder heads are critical for combustion, emissions, and durability. Our inventory includes:

• Cylinder heads with or without valves

• Valve springs, valve seats, and retainers

• Head bolts and torque kits

• Intake and exhaust valves

• Valve cover gaskets and seals

All heads are pressure tested and manufactured to handle marine-grade combustion temperatures.

Additional Cummins 6C Parts for Marine Use

Gaskets and Seal Kits For Cummins 6C

• Full engine gasket kits

• Oil pan, valve cover, and intake manifold gaskets

• Exhaust manifold gaskets

• Thermostat housing and water pump gaskets

Every gasket is made from premium materials suitable for marine heat cycling and vibration.

Connecting Rods and Crankshafts For Cummins 6C

• OEM-spec connecting rods

• Bearing sets

• Crankshaft assemblies

• Thrust washers and dampers

Machined for perfect balance, load capacity, and durability under extended marine duty cycles.

Fuel and Oil Filters For Cummins 6C

• Marine spin-on oil filters

• Primary and secondary fuel filters

• Water separators

• Filter bases and mounting accessories

Protect your injection system and engine internals with clean, efficient filtration.

Sensors and Switches For Cummins 6C

• Oil pressure switches

• Coolant temperature sensors

• RPM sensors

• Engine shutdown switches

• Toggle controls for marine panels

All electrical components are built for vibration and moisture resistance in marine environments.

Gauges and Monitoring For Cummins 6C

• Oil pressure, water temp, and tachometer gauges

• Multi-gauge panels for helm installations

• Voltage meters and hour counters

Marine-ready, sealed for moisture, and designed for accurate, real-time monitoring.

Marine Paints and Sealants For Cummins 6C

• Cummins red and black enamel

• Thread sealants

• RTV silicone

• Radiator flush and degreaser sprays

Protect and extend the life of your engine with marine-grade finishes and compounds.

Why Buy Cummins 6C Marine Engine Parts from Diesel Pro Power?

24-Hour Global Shipping

We understand marine operations rely on uptime. That’s why every in-stock order is shipped within 24 hours—anywhere in the world.

Intuitive Website for Fast Ordering

Quickly find the exact Cummins 6C part you need using our visual menus, exploded diagrams, or search bar. It’s designed for fast, accurate ordering.

Outstanding Customer Service

Need help identifying the right gasket or verifying a rebuild kit? Our team is here to assist by phone or email. We bring years of diesel engine expertise and marine parts knowledge.

Secure Online Shopping

With advanced encryption and frequent updates, our website keeps your personal and payment information safe throughout the transaction process.

Trusted by Thousands

We proudly serve over 40,000 satisfied customers worldwide, including boat owners, shipyards, commercial operators, and service techs.

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