Marine Spare Parts Blog & News

caterpillar c32 marine engine troubleshooting

July 26, 2026

Caterpillar C32 Marine Engine Troubleshooting: Common Questions Every Marine Engineer Asks
Why is my Caterpillar C32 marine engine overheating?
Is the thermostat always responsible?
How does the Caterpillar C32 cooling system work?
Closed fresh-water circuit
Raw seawater circuit
Can a blocked seawater strainer really cause overheating?
How do I know if the auxiliary seawater pump is failing?
Could the heat exchanger be the problem?
Why does coolant level matter so much?
What happens if air becomes trapped inside the cooling system?
Quick Caterpillar C32 Overheating Checklist
Final Thoughts
Why is my Caterpillar C32 losing coolant?
External coolant leaks
Internal coolant leaks
Why is my Caterpillar C32 producing black smoke?
Why has my Caterpillar C32 lost power?
Can the turbochargers cause overheating?
How important is the charge air cooler?
Can faulty injectors increase engine temperature?
What alarms should I never ignore?
Preventive Maintenance Tips for the Caterpillar C32
Frequently Asked Questions
Is it safe to continue operating a Caterpillar C32 while overheating?
Can dirty seawater damage the cooling system?
How often should the heat exchanger be inspected?
Does replacing the thermostat always solve overheating?
What is the most common cause of overheating?
Final Thoughts
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Deutz Marine Engine Black Smoke? Charge Air Cooler Troubleshooting Guide

July 25, 2026

Deutz Marine Engine Black Smoke? Your Charge Air Cooler Could Be the Real Problem
Deutz Marine Engine Black Smoke? Check the Charge Air Cooler Before Replacing the Turbocharger
What Does a Charge Air Cooler Do?
Why Do Charge Air Coolers Become Dirty?
Common Symptoms on Deutz Marine Engines
Why Airflow Matters
How Can You Tell if the Charge Air Cooler Needs Cleaning?
Inspection Checklist
Why This Matters on Deutz Marine Engines
Can a Dirty Charge Air Cooler Damage the Turbocharger?
Best Maintenance Practices
Frequently Asked Questions
Does black smoke always mean the turbocharger is failing?
Can cleaning the charge air cooler restore engine performance?
Should the charge air cooler be pressure-tested?
How often should it be inspected?
Final Thoughts

Mitsubishi S6R2-MPTK Marine Parts | Common Problems & Maintenance Guide

July 23, 2026

Mitsubishi S6R2-MPTK Marine Parts: Common Problems, Maintenance Tips & Questions Every Boat Owner Asks
Mitsubishi S6R2-MPTK Marine Parts: What Every Marine Engineer Should Know
Why is my Mitsubishi S6R2-MPTK losing power?
Why does my engine produce black smoke?
White smoke—should I be worried?
Why is my Mitsubishi engine using more fuel than before?
Which Mitsubishi S6R2-MPTK marine parts wear out first?
How often should I inspect cooling system components?
What causes Mitsubishi S6R2-MPTK engines to overheat?
When should injectors be replaced?
Can I keep running with a small oil leak?
Why is preventive maintenance so important?
Frequently Asked Questions
Are Mitsubishi S6R2-MPTK marine parts easy to replace?
Which parts should I always keep onboard?
How long can a Mitsubishi S6R2-MPTK marine engine last?
Final Thoughts

Worn Camshaft Symptoms in Cummins QSB 5.9 Diesel Engines 2

July 22, 2026

Worn Camshaft Symptoms in Cummins QSB 5.9 Diesel Engines (Part 2): Diagnosis, Repairs, and Preventive Maintenance
Welcome Back!
Cummins QSB 5.9 Diesel Engines: Worn Camshaft Symptoms Explained | Alfa Marine Spare Parts
"How Can I Tell If It's Really the Camshaft?"
"What Does a Mechanic Inspect First?"
Engine Oil
Oil Filter
Valve Train
"Can Oil Analysis Help?"
"What Happens If I Ignore Camshaft Wear?"
"Can a Worn Camshaft Damage the Turbo?"
"Should I Replace Just the Camshaft?"
"Can I Keep Operating the Engine?"
"How Can I Prevent Camshaft Wear?"
Keep Up With Oil Changes
Use the Correct Oil
Replace Filters on Schedule
Warm the Engine Properly
Listen to Your Engine
"Can High Operating Hours Cause Camshaft Wear?"
A Real Workshop Conversation
Frequently Asked Questions
Does every ticking noise mean the camshaft is worn?
Can injector problems look like camshaft wear?
Is camshaft replacement part of normal maintenance?
How often should I inspect the valve train?
Five Habits That Help Cummins QSB 5.9 Diesel Engines Last Longer
Final Thoughts
What's Next?

Cummins QSB 5.9 Diesel Engines: Worn Camshaft Symptoms Explained

July 22, 2026

Worn Camshaft Symptoms in Cummins QSB 5.9 Diesel Engines: Questions Every Owner Eventually Asks (Part 1)
Worn Camshaft Symptoms in Cummins QSB 5.9 Diesel Engines: Don't Ignore These Warning Signs
"What Does the Camshaft Actually Do?"
"Is Camshaft Wear Common on Cummins QSB 5.9 Diesel Engines?"
"What Are the First Signs of a Worn Camshaft?"
"My Engine Feels Slower Than Before. Could That Be the Camshaft?"
"Why Is My Engine Idling Rough?"
"Why Is My Cummins QSB 5.9 Harder to Start?"
"I've Started Using More Fuel. Is That Related?"
"What About Ticking Noises?"
"Why Is My Engine Producing Black Smoke?"
"Can I See Camshaft Problems in the Engine Oil?"
"Will the Engine Stop Running If the Camshaft Is Worn?"
"Can a Worn Camshaft Damage Other Parts?"
Maintenance Tip of the Day
Coming Up in Part 2
Worn Camshaft Symptoms in Cummins QSB 5.9 Diesel Engines *2* | Alfa Marine Spare Parts

Cat C18 Auxiliary Sea Water Pump 397-2684 | Caterpillar C18 Water Pump Guide

July 19, 2026

Cat C18 Auxiliary Sea Water Pump 397-2684 – Complete Buying & Technical Guide
What Is the Cat C18 Auxiliary Sea Water Pump?
Why the Auxiliary Sea Water Pump Is Critical
How the Caterpillar C18 Cooling System Works
Closed Freshwater Circuit
Seawater Circuit
Technical Specifications
OEM Caterpillar Part Numbers
Searching for Caterpillar Part Number 397-2684?
Compatible Caterpillar Engines
Caterpillar C18 Marine Propulsion Engines
Marine Generator Sets
Cat C18 Engine Specifications
Why Do Sea Water Pumps Wear Out?