Parts for Cummins 6BT Engines

Your One-Stop Shop for Cummins 6BT Marine and Industrial Engine Parts

The Cummins 6BT engine (5.9L, inline-six, turbocharged) is renowned across the marine and industrial sectors for its power, mechanical simplicity, and legendary durability. Trusted worldwide to power everything from workboats and harbor patrol vessels to irrigation pumps and generator sets, the 6BT is built to handle long hours and harsh conditions.

At Diesel Pro Power, we specialize in providing high-quality, non-automotive Cummins 6BT parts. Whether you're performing routine maintenance or completing a full engine overhaul, we ship fast—typically within 24 hours—and deliver globally.

When uptime is non-negotiable, you need parts that meet or exceed OEM quality, plus a team that understands your engine’s application. That’s what Diesel Pro Power delivers—every time.

---

Buy Cummins 6BT Parts Online – Fast, Global & Accurate

Explore Our Extensive Cummins 6BT Inventory

We maintain one of the internet’s largest Cummins 6BT parts inventories, carefully curated to support marine propulsion systems, industrial gensets, stationary diesel pumps, and hydraulic units. All components are rated for continuous-duty applications and selected for corrosion resistance and long-term reliability.

---

Cylinder Heads for Cummins 6BT

Our 6BT cylinder heads are precision-machined and fully assembled for quick installation.

Each head includes:

• New valves and valve springs

• Injector tubes

• Valve seals and guides

• Pressure-tested casting

Optional accessories:

• Cylinder head bolts

• Push rods

• Rocker arms

• Valve cover gaskets

These heads are ideal for engines suffering from overheating, blow-by, or compromised compression in marine or industrial systems.

---

Fresh Water Pumps for Cummins 6BT

Designed for closed-loop cooling systems, our fresh water pumps keep coolant flowing through heat exchangers or keel coolers.

Pump features include:

• Heavy-duty cast housings

• Reinforced impellers

• Sealed, high-temp bearings

• Direct bolt-on replacement

Also available:

• Fan and tension belts

• Thermostat housings

• Marine-grade antifreeze and coolant treatments

• Pulley kits

Perfect for marine vessels or remote stationary engines operating in dusty, hot, or salt-laden conditions.

---

Sea Water Pumps for Cummins 6BT

If your Cummins 6BT relies on raw water (seawater) cooling, Diesel Pro Power offers rugged, saltwater-rated pumps.

Key features:

• Bronze marine housings

• Marine-grade impellers

• High-endurance seals and wear plates

• OEM-matched flanges

Related components:

• Thermostats

• Impellers

• Zinc anodes

• Raw water strainers

• Seal kits and impeller tools

Saltwater corrodes quickly—use our pump kits and accessories to stay ahead of failure and avoid overheating your engine at sea.

---

Engine Overhaul Kits for Cummins 6BT

We carry complete 6BT engine rebuild kits for marine and industrial applications. Whether your vessel is due for scheduled maintenance or your pump station needs a fresh powerplant, these kits save time and ensure part compatibility.

Each kit includes:

• Pistons and piston rings

• Cylinder liners

• Main and rod bearings

• Upper and lower gasket sets

• Oil seals and valve train components

Choose from standard and oversized configurations based on your engine’s wear profile. Our rebuild kits are carefully matched to engine CPLs for drop-in compatibility.

---

Gaskets and Seals for Cummins 6BT

We provide comprehensive gasket solutions for your 6BT, including:

• Upper gasket sets

• Lower gasket sets

• Full overhaul kits

• Thermostat housing gaskets

• Valve cover and oil pan gaskets

• Seal rings and o-rings

We only offer marine-grade, industrial-rated materials—no compromise. These gaskets are made to withstand prolonged exposure to vibration, heat, pressure, and corrosive fluids.

---

Fuel System Parts for Cummins 6BT

Proper fuel delivery is essential in any high-demand application. Diesel Pro Power offers:

• Fuel injectors (mechanical)

• Injector seals and nozzles

• Injection pumps

• Lift pumps

• Fuel filters and filter bases

• Return lines and banjo fittings

These components are ideal for 6BT engines operating in:

• Standby and continuous industrial gensets

• Auxiliary pump systems on board vessels

• Heavy-duty marine propulsion engines

All fuel system parts are compatible with marine diesel and high-sulfur blends common in international locations.

---

Oil System Components for Cummins 6BT

To protect your 6BT’s internal components, we carry an extensive selection of oil system parts:

• Oil pumps and oil pickup assemblies

• Oil coolers and oil filter bases

• Spin-on oil filters

• Pressure sensors and switches

• Oil pan gaskets and drain plugs

Built to handle extended oil change intervals in industrial and marine duty cycles.

---

Starters, Alternators & Electrical System for Cummins 6BT

From cold starts in damp marinas to 24/7 generator operation, we offer:

• 12V and 24V starters

• High-output marine alternators

• Waterproof sensors

• Pre-heaters for cold environments

• Engine harnesses and electrical relays

All electrical components are waterproof, vibration-resistant, and marine-tested.

---

Additional Cummins 6BT Parts We Offer

We also carry:

• Turbochargers and exhaust hardware

• Control cables and shift levers

• Air intake systems and filters

• Mounting brackets and isolators

• Belt tensioners and idlers

• Exhaust elbows and water-cooled manifolds

Every part is curated for non-automotive use—ensuring compatibility and durability for your work environment.

---

Why Buy Your Cummins 6BT Parts From Diesel Pro Power?

Over 40,000 Satisfied Customers Worldwide

From independent marine operators to large-scale industrial power companies, we’ve built a customer base based on trust, speed, and support. With thousands of five-star reviews and repeat customers, we’ve earned our place as a global leader in diesel engine support.

Fast, Worldwide Shipping

We ship within 24 hours—often same-day. We can reach:

• Shipyards and marinas

• Offshore oil platforms

• Island power plants

• Agricultural irrigation stations

• Construction equipment hubs

Intuitive Online Ordering

Our site is:

• Accurate – Cross-referenced with OEM part numbers

• Simple – No diesel knowledge required to navigate

• Fast – Optimized for both desktop and mobile

Secure and Private

We implement the latest encryption and data protection standards. Order with confidence knowing your information is safe.

World-Class Customer Service

Our diesel parts team is standing by to help you:

• Identify the correct parts

• Confirm CPL compatibility

• Advise on installation and repair

• Track international shipments

Call, email, or chat with a real expert—not a call center.

---

Where the Cummins 6BT Shines – Applications We Support

The Cummins 6BT is a workhorse across countless marine and industrial installations:

Marine Applications

• Fishing vessels and trawlers – Heavy-duty power under full load

• Towboats and utility craft – Reliable auxiliary and propulsion systems

• Onboard marine gensets – Powering lights, refrigeration, and hydraulics

• Bilge and fire pumps – Emergency and mission-critical functions

• Harbor patrol and inspection boats

Industrial Applications

• Diesel generator sets – Prime and backup power systems

• Irrigation and dewatering – Engine-driven pump systems

• Construction site compressors

• Hydraulic drive units – For cranes, lifts, and presses

• Stationary processing equipment – Logging, mining, and concrete batching

---

Maintenance Tips for Marine and Industrial Cummins 6BT Engines

Proper care maximizes uptime. Follow these best practices for 6BT operation:

Marine Maintenance

• Replace seawater impellers every 100 hours or annually

• Flush salt from heat exchangers and cooling systems

• Monitor zinc anodes for corrosion every 3–6 months

• Check coolant and oil levels before every trip

• Inspect belts and hoses for wear and salt damage

Industrial Maintenance

• Replace oil filters every 250–300 hours

• Drain fuel/water separators weekly in humid areas

• Inspect turbochargers and air intakes monthly

• Log runtime hours and oil pressure data

• Ensure backup parts (belts, filters, impellers) are on hand

---

Recommended Replacement Schedule

---

Order Online or Contact Diesel Pro Power for Expert Help

Ordering your Cummins 6BT parts has never been easier. Our warehouse is fully stocked and ready to ship fast.

Contact Our Team

• Phone (U.S. & Canada): 1-888-433-4735

• International: +1-305-545-5588

• Hours: Monday–Friday, 8 AM–5 PM EST

• Email: Available via our website’s contact form

Send us your engine serial number or photos—our team will confirm compatibility and get the correct parts in your hands quickly.

---

Why Diesel Pro Power is the Top Choice for Cummins 6BT Parts

• Global shipping in 24 hours

• Marine and industrial focus only—no automotive distractions

• Large in-stock inventory ready for mission-critical applications

• Professional customer support from real diesel experts

• Trusted by 40,000+ customers around the world