Understanding Connecting Rod Bearings For Marine Diesel Engines

April 7, 2025


1. What Are Connecting Rod Bearings?


Key Functions:


2. Why Are They So Critical in Marine Applications?


3. Component Breakdown: What Makes Up a Quality Bearing?


4. Common Signs of Bearing Wear and Damage


5. Causes of Bearing Failure in Marine Diesel Engines


6. Detroit Diesel Marine Engines: Series 53, 71, 92, and 149


6.1 Series 53 (3-53, 4-53, 6V53, 8V53)


6.2 Series 71 (Inline and V71)


6.3 Series 92 (6V92, 8V92, 12V92)


6.4 Series 149 (8V149, 12V149, 16V149)


7. Cummins Marine Engines: B, C, QSB, and K Series


7.1 6BTA and 6CTA


7.2 QSB 6.7


7.3 KTA 19, KTA 38, and KTA 50


8. Caterpillar Marine Engines: 3208, 3400 Series, 3500 Series, and C-Series


8.1 Caterpillar 3208


8.2 Caterpillar 3400 Series (3406, 3408, 3412)


8.2.1 Caterpillar 3406B/C/E (Inline 6)


8.2.2 Caterpillar 3408 (V8) and 3412 (V12)


8.3 Caterpillar 3500 Series (3508, 3512, 3516)


8.4 Caterpillar C-Series (C12, C15, C18)


9. Proper Inspection and Replacement Guidelines


9.1 Inspection Process


9.2 Installation Best Practices


9.3 Diesel Pro Power Kits


10. Choosing Bearings: Why Diesel Pro Power Stands Out


11. Avoiding the Most Common Mistakes


12. Diesel Pro Power: Premium Aftermarket for Marine Diesel Bearings


13. Frequently Asked Questions


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Understanding Connecting Rod Bearings For Marine Diesel Engines

Cummins 6CTA 8.3L Installing Injectors Video

April 2, 2025

Installing the Injectors on a Cummins 6CTA 8.3L Marine Engine


Expanded Guide Based on OEM Service Manual | For Cummins 6C, 6CT, & 6CTA


Overview


Tools and Supplies Required | For Cummins 6C, 6CT, & 6CTA


Step-by-Step Injector Installation Process | For Cummins 6C, 6CT, & 6CTA


Installing Injectors On A Cummins 6CTA 8.3L


1. Prepare the Work Area


2. Clean and Inspect the Injector Bores


3. Lubricate the Injector O-Rings


4. Install the Injector into the Bore


5. Install the Injector Hold-Down Clamp and Bolt


6. Connect the Fuel Supply Line and Leak-Off Tube


7. Reconnect Engine Harness (if electronic)


8. Valve Cover Reinstallation


9. Bleed the Fuel System


10. Post-Installation Leak Check and Idle Inspection


Tips from Marine Technicians | For Cummins 6C, 6CT, & 6CTA


Marine Environment Considerations | For Cummins 6C, 6CT, & 6CTA


Video Summary: What You’ll See | For Cummins 6C, 6CT, & 6CTA


Need Injectors for a Cummins 6CTA 8.3L?


Additional FAQ | For Cummins 6C, 6CT, & 6CTA


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Cummins 6CTA 8.3L Installing Injectors Video

Marine Water Pump For Cummins (N855, N855M, NT855, NTA855, NH220, NH250, VT555) – Short Video

March 27, 2025

Marine Water Pump for Cummins N855, N855M, NT855, NTA855, NH220, NH250 & VT555 Engines


Reliable Cooling for Heavy-Duty Cummins Marine Power


A Complete, Ready-to-Install Marine Water Pump


Watch the Pump from Every Angle — Turntable Product Video


When to Replace Your Cummins Marine Water Pump


Diesel Pro Power — In Stock and Ready to Ship


Order Your Replacement Marine Water Pump Today


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Marine Water Pump For Cummins (N855, N855M, NT855, NTA855, NH220, NH250, VT555) – Short Video

Cylinder Head For Cummins QSC Video

March 27, 2025

Introduction to the Cummins QSC Cylinder Head


Why the Cylinder Head Matters in the QSC 8.3 Engine


Key Responsibilities of the Cylinder Head


Common Signs Your Cylinder Head Needs Replacement


1. Loss of Compression


2. Coolant and Oil Mixing


3. Overheating


4. Blue or White Exhaust Smoke


5. External Cracks or Leaks


Why Diesel Pro Power Cylinder Heads Are the Smart Choice


Factory-Fresh, Not Rebuilt


Assembled and Ready to Install


Machined for Modern Fuel Systems


Designed for Harsh Marine Environments


In Stock and Ready to Ship


Specifications and Compatibility


Technical Specifications


Compatible CPL Numbers


Installation Guidelines and Best Practices


Surface Preparation


Head Gasket and Bolt Replacement


Torque Pattern and Sequence


Valve Lash Adjustment


Advantages of a New Head vs. Remanufactured or Used


Use Cases: Where QSC Cylinder Heads Are Most Needed


Commercial Fishing Vessels


Marine Ferries and Workboats


Industrial and Stationary Power


Maintenance Tips to Extend Cylinder Head Life


Use Proper Coolant Mixture


Avoid Overloading the Engine


Monitor Oil Quality and Level


Schedule Regular Valve Adjustments


How to Order From Diesel Pro Power


Step 1: Confirm Your Serial Number


Step 2: Contact Technical Support 


Step 3: Place Your Order


Step 4: Receive Your Part


Diesel Pro Power: Why Professionals Trust Us


Final Thoughts


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Cylinder Head For Cummins QSC  Video

Scaling The Old Paint Off Of Blower Core Components (Detroit Diesel) – Short Video

March 27, 2025

Diesel Pro Power: Decades of Expertise in Rebuilding Detroit Diesel Blowers


A Legacy Built on Daily Craftsmanship


A Name Synonymous with Detroit Diesel Reliability


What Makes a Diesel Pro Power Blower Different


Trusted Worldwide by Over 40,000 Customers


Built for Performance and Longevity


The Diesel Pro Power Standard


Supporting Detroit Diesel’s Legacy


A Reputation Earned, Not Claimed


Confidence That Comes with Experience


The Diesel Pro Power Promise


Conclusion: Quality That Never Takes a Day Off


Detroit Diesel Blower Catalog by Engine Model



Detroit Diesel 53 Series Blower Catalog


Detroit Diesel 71 Series Blower Catalog


V-Series 71 Engines



Detroit Diesel 92 Series Blower Catalog


V-Series 92 Engines



Detroit Diesel 149 Series Blower Catalog


V-Series 149 Engines


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Scaling The Old Paint Off Of Blower Core Components (Detroit Diesel) – Short Video

Freshwater Pump For Cummins B Series Engines (4B, 6B, ISB, QSB) Video

March 26, 2025

Cummins 4B Engine Parts – Fresh Water Pump and Cooling System Components


Engine Water Pump for Cummins 4B 3.9L




Direct-Fit Fresh Water Pump Replacement


Thermostats for Cummins 4B Cooling Systems


165°F Thermostat



180°F Thermostat



Thermostat Gaskets and Seals


Belt Tensioners and Fan Drive Components


Belt Tensioners


Belts for Water Pump, Alternator, and Fan Drive


Belt Features:


Common Belt Uses:



High-Temp Silicone Coolant Hoses



Available Inner Diameters:


Hose Clamps for Cooling & Fuel Lines



Effective Diameter Ranges:


Supporting Cooling System Parts


Temperature Switch


Radiator Cleaner


Why Choose Diesel Pro Power for Cummins 4B Cooling System Parts?


Cummins 6B Engine Parts - Engine Water Pump & Cooling System Catalog


Water Pump Assemblies for Cummins 6B Engines



Freshwater Pump Options:


Water Pump Sealing Components


Seal Ring:



Thermostats & Temperature Regulation Components


Available Thermostats:


Thermostat Components:


Coolant Filtration


Coolant Filter:



Belt Tensioners for Pump & Accessory Drive


Tensioner Options:


Drive Belts for Cummins 6B Engine Accessories



Available Belt Lengths:


Radiator & Cooling System Maintenance


Radiator Cleaner:


Temperature Switch:



Silicone Coolant Hoses



Available Inside Diameters:


Hose Clamps for Coolant & Fuel Systems



Clamp Features:


Why Choose Diesel Pro Power for Cummins 6B Cooling Parts?


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Freshwater Pump For Cummins B Series Engines (4B, 6B, ISB, QSB) Video