Komatsu PC400-7 Turbocharger Performance Upgrade:
OEM P/N 6151-82-8500 | High-Quality Replacement Turbocharger and Float Switch 7861-92-4800
Solving Engine Sluggishness and Fuel Level Sensor Failure with Reliable Parts

Cylinder Liner Customization & Direct Factory Export

As a Source Manufacturer, Honour Time Machinery Limited supports Custom Development of various engine cylinder liners. We offer Factory Direct Sales and streamlined Foreign Trade Export services for our global clients.

Komatsu PC300-7 Liner Kit | Caterpillar 3306 Liner | Cummins QSB6.7 Cylinder Sleeve | Yanmar 4TNV98 Liner Set

Essential Engine and System Components

Welcome to the source for high-quality excavator engine parts. We feature two critical components for Komatsu machinery: the powerful Turbocharger (P/N: 6151-82-8500 | 6151828500) and the precision Float Switch (P/N: 7861-92-4800 | 7861924800). These components are engineered to be a perfect OEM alternative, ensuring your construction equipment operates at peak efficiency and avoids system errors often caused by faulty original equipment.

Honour Time Machinery Limited specializes in diesel engine components for major brands, including Komatsu, Cummins, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our core offering focuses on complete engine assemblies and spare parts like Piston Rings, Crankshaft Bearings, and Gasket Kits, providing reliable engine rebuild parts globally.

Detailed Product Specification and Logistics

Key Product Features and Benefits

Comprehensive Engine Parts Inventory and Model Compatibility

Available Engine Parts (Cores of the Engine Rebuild Kit)

Other Supported Engine Models (Long-Tail Search Focus)

Key Engineering Machinery Component Definitions

1. Liner Kit: The complete set of cylinder sleeve, piston, and rings. Installed in the Cylinder Block. Example: Caterpillar 3116 Excavator Engine Liner Kit.

2. Turbocharger: A forced induction device that increases an engine's power by forcing extra air into the combustion chamber. Mounted to the Exhaust Manifold. Example: Komatsu PC400-7 Turbocharger 6151-82-8500.

3. Float Switch: A sensor used to detect the level of liquid within a tank. Installed in the Hydraulic or Fuel Tank. Example: Komatsu PC300-7 Float Switch 7861-92-4800.

4. Crankshaft Bearing (Main Bearing): Supports the crankshaft and reduces friction. Located inside the Cylinder Block. Example: Cummins QSB6.7 Main Bearing Set.

5. Piston Ring: Seals the combustion chamber and manages oil consumption. Fitted into the Piston Grooves. Example: Isuzu 4HK1 Piston Ring Set.

6. Gasket Kit (Overhaul Kit): A collection of seals and gaskets for a full engine rebuild. Used between all Engine Mating Surfaces. Example: Yanmar 4TNV98 Engine Overhaul Gasket Kit.

7. Fuel Injector: Sprays atomized diesel fuel into the combustion chamber. Installed in the Cylinder Head. Example: Weichai WP10 Fuel Injector Nozzle.

8. Water Pump: Circulates coolant through the engine block and radiator. Attached to the Engine Front or Side. Example: Kubota V3307 Water Pump Assembly.

9. Flameout Solenoid: An electrical device that cuts off the fuel supply to shut down the engine. Located near the Fuel Pump. Example: Caterpillar 3066 Flameout Solenoid.

10. Valve Seat: Provides a sealing surface for the engine valves. Pressed into the Cylinder Head. Example: Isuzu 6BG1 Cylinder Head Valve Seat.

Maintenance Tip: Preventing Isuzu 4HK1 Engine Overheating

Common Fault and Solution:

Fault: An Isuzu 4HK1 Engine (found in models like the Isuzu FRR truck or Sany SY215C Excavator) suffers from chronic overheating and coolant loss. Primary Cause: A failed Cylinder Head Gasket, allowing combustion gases to leak into the cooling system.

Solution: Replace the gasket with a High-Quality Gasket Head from our overhaul kit inventory. Always check the cylinder head and block surface flatness before installation.

Routine Maintenance Plan:

• Check the Radiator fins for clogging and clean regularly.

• Inspect all coolant hoses for cracks or swelling (Part of Engine Rebuild Kits inspection).

• Ensure the Fan Cooling belt tension is correct.

• Use the correct type and concentration of coolant (antifreeze/anti-boil).

Product Inquiry and Custom Quote Request

About Honour Time Machinery Limited

Honour Time Machinery Limited is a trusted supplier of high-quality diesel engine parts, specializing in brands like Cummins, Komatsu, Caterpillar, and Yanmar. We provide reliable engine overhaul supply and genuine alternative diesel parts to clients globally.