Caterpillar C9 Piston Kit 388-3720 / 3883720: High-Quality Aftermarket Replacement to Fix Excessive Oil Consumption

Custom Engine Solutions Direct from the Source!

As your trusted Honour Time Machinery Limited source factory, we specialize in Cylinder Liner customization and direct export. We are the premier manufacturer and exporter for heavy machinery engine components, ensuring genuine quality alternative parts. We support customized development for all major diesel engine brands. Looking for a specific fit? We have you covered:

Cummins QSK60 Cylinder Liner | Komatsu PC400 Cylinder Liner | Caterpillar D8T Cylinder Liner | Isuzu 6WG1 Cylinder Liner

Restore Peak Power and Eliminate Oil Troubles

When your Caterpillar C9 engine starts showing symptoms of excessive oil consumption, the root cause often lies in worn or substandard piston components. Honour Time Machinery Limited offers a high-quality aftermarket replacement for the critical Caterpillar C9 Piston Kit 388-3720 (also searched as 3883720). Our parts are engineered for a perfect fit and long-lasting durability, providing a reliable and cost-effective C9 engine repair parts solution. We are dedicated to helping you achieve a complete Cat C9 excessive oil consumption fix.

We understand the demand for reliable C9 engine repair parts across the globe. Our product range includes not just pistons and piston rings, but also complete diesel engine overhaul kits, essential components like cylinder linermain bearingcon rod bearing, and thrust washer. Our factory direct pricing ensures you get the best value on every order.

Caterpillar C9 Engine Piston Kit Key Specifications

Part NameEngine Type / 机型Cyl. NO. / 缸数Bore Size (mm) / 缸径Ring Heights (mm) / 环高Oil Ring Config. / 油环配置
Piston KitC961123.3 + 3.0 + 4.0FM

The precise dimensions (112mm bore size and 3.3/3.0/4.0mm piston ring configuration) guarantee optimal sealing and combustion efficiency, directly addressing and preventing the excessive oil consumption issues common in older C9 engines.

Caterpillar C9 Piston Kit Product Details

Part NameOEM Part NumberStock StatusWarrantyMarketing Type
Piston388-37203883720In Stock / Available6 MonthNew Product 2024
CertificationOriginal / Engine TypePayment OptionsAfter Warranty SupportSource
OtherChina / DieselT/T, PayPal, MoneyGramOnline SupportGlobal export engine parts

Technical Glossary: Essential Heavy Machinery Engine Components

We supply a full line of heavy machinery engine components. Here are 10 key parts and their applications:

  • 1. Piston Ring:

  • Definition: Seals the combustion chamber and transfers heat. Location: Installed in the piston grooves. Example Keyword: Cummins QSB6.7 Piston Ring.

  • 2. Cylinder Liner:

  • Definition: A replaceable inner surface for the cylinder bore. Location: Inside the cylinder block. Example Keyword: Komatsu SAA6D140E Cylinder Liner.

  • 3. Main Bearing:

  • Definition: Supports the crankshaft within the cylinder block. Location: Main bearing saddles in the block. Example Keyword: Caterpillar C15 Main Bearing.

  • 4. Connecting Rod Bearing (Con Rod Bearing):

  • Definition: Connects the connecting rod to the crankshaft. Location: Big end of the connecting rod. Example Keyword: Isuzu 4HK1 Con Rod Bearing.

  • 5. Thrust Washer:

  • Definition: Limits the axial movement (end play) of the crankshaft. Location: Main bearing saddle. Example Keyword: Kubota V3307 Thrust Washer.

  • 6. Turbocharger:

  • Definition: Compresses air to force more into the engine. Location: Exhaust manifold and intake system. Example Keyword: Yanmar 4TNV98 Turbocharger Performance Upgrade.

  • 7. Water Pump:

  • Definition: Circulates coolant through the engine and radiator. Location: Front of the engine block. Example Keyword: Weichai WP10 Water Pump Cooling System Solution.

  • 8. Fuel Pump:

  • Definition: Delivers fuel from the tank to the injectors. Location: Side of the engine block or fuel rail. Example Keyword: Cummins KTA38 Diesel Fuel Pump System Parts.

  • 9. Injector:

  • Definition: Atomizes and injects fuel into the combustion chamber. Location: Cylinder head. Example Keyword: Komatsu PC200-8 Injector.

  • 10. Cylinder Head:

  • Definition: Seals the top of the cylinder block, housing valves and injectors. Location: Top of the engine block. Example Keyword: Caterpillar 3306 Cylinder Head.

Engine Health Check: Troubleshooting and Maintenance

Failure Example: A common issue in a Caterpillar D8T (C15 Engine) is low oil pressure combined with high oil temperatureSolution: This often indicates a worn oil pump or severely worn main bearing and con rod bearing clearances. A professional inspection should check bearing clearances, replace the oil pump, and potentially install an engine overhaul kit to restore internal tolerances. This requires a precise engine component manufacturing approach for replacement parts.

Preventative Maintenance Tip: Implement an effective oil analysis program. Regular analysis of the engine oil in your Komatsu PC400-8 excavator allows you to detect contaminants (silicon, water, metal wear particles) early. Changing engine oil and filters at prescribed intervals using quality lubricants is the simplest way to prolong the life of your crankshaftpiston, and turbocharger components, preventing expensive breakdowns and ensuring a high-quality diesel engine overhaul kit supplier is your last resort, not your first. We offer the best global export engine parts for all your maintenance needs.

Honour Time Machinery Limited is your professional engine component manufacturing and trade partner. We specialize in engine assemblies and spare parts for cummins, komatsu, Caterpillar, isuzu, kubota, yanmar, and weichai. We guarantee genuine quality alternative parts for global export.

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