Cylinder Liner Customization & Factory Direct Supply

We are a Source Manufacturer offering Factory Direct Sales and Foreign Trade Export services. We specialize in the custom development and manufacturing of various high-performance Engine Cylinder Liners.

The Solution for Engine Stability: CAT Tensioner Pulley 219-7489 / 2197489

When dealing with heavy equipment engine components like the CATERPILLAR 320D, maintaining belt tension is critical for optimal performance. Our high-quality replacement Tensioner Pulley, Part Number 219-7489 (also referenced as 2197489), offers a dependable, aftermarket engine replacement part that directly solves common engine issues like premature belt wear and excessive vibration. This国产高品质替代 (High-Quality Chinese Replacement) ensures long service life and reliable operation, preventing costly downtime associated with a failed belt system.

Komatsu Hydraulic System Reliability: Float Switch 7861-92-4800 / 7861924800

We also offer the essential Float Switch for Komatsu PC200-8 and similar models. This sensor, Part Number 7861-92-4800 (or 7861924800), is vital for monitoring fluid levels in the hydraulic tank. A malfunctioning switch can lead to serious operational faults. Our replacement guarantees accurate level detection, ensuring your Komatsu PC200-8 hydraulic system operates safely. Choosing our product is choosing a reliable excavator parts supplier for all your construction machinery maintenance tips.

Product Features (Tensioner Pulley 219-7489)

• Application: Specifically designed for CATERPILLAR excavator models like the CAT 320D, used in demanding construction machinery applications.

• Part Precision: Direct high-quality replacement for genuine OEM Part Number 219-7489.

• Durability: Constructed with high-grade materials to withstand extreme engine temperatures and continuous load.

• Functionality: Maintains optimal tension on the engine belt, preventing slip and ensuring efficient power transfer.

• Fault Resolution: Solves issues related to belt squeal, improper tension, and bearing failure common in high-hour machines.

Technical Data: Komatsu Float Switch 7861-92-4800

Your Global Partner for Diesel Engine Overhaul Kits and Parts

Honour Time Machinery Limited is your trusted partner, specializing in a vast range of engine components and complete engine assemblies for leading brands including CUMMINS, Komatsu, Caterpillar, ISUZU, KUBOTA, YANMAR, and WEICHAI. Our extensive inventory covers every aspect of diesel engine repair and maintenance.

Our core products include: Liner Kits, Pistons, Piston Rings, Crankshaft Bearings, Connecting Rod Bearings, Thrust Washers, Gasket Overhaul Kits, Fuel Pumps, Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.

Long-Tail Keywords for Global Search: reliable excavator parts supplier, aftermarket engine replacement parts, diesel engine overhaul kit, genuine OEM quality engine parts, construction machinery maintenance tips, durable engine valves, wholesale piston ring sets, cylinder block precision machining, high-performance turbocharger solutions, fast delivery construction parts, engine water pump replacement, fuel injector repair service, crank bearing set sale, Komatsu float switch sensor replacement, CATERPILLAR tensioner pulley assembly, excavator control monitor parts, complete gasket overhaul kit, heavy equipment engine components, diesel engine overhaul kit, engine bearing set sale.

10 Essential Engineering Machinery Component Definitions

1. Liner Kit (Cylinder Liner): Located in the Engine Block. Forms the inner wall of the cylinder. Keyword Example: CUMMINS QSB6.7 Liner Kit.

2. Piston Ring: Located on the Piston. Seals the combustion chamber and regulates oil consumption. Keyword Example: Komatsu 6D107 Piston Ring.

3. Crankshaft Bearing (Main Bearing): Located in the Engine Block Main Journal. Supports the crankshaft rotation. Keyword Example: CATERPILLAR C7 Crankshaft Bearing.

4. Gasket Head: Located between the Engine Block and Cylinder Head. Seals the combustion gases and coolant/oil passages. Keyword Example: ISUZU 4HK1 Gasket Head.

5. Valve Guide: Located in the Cylinder Head. Guides the movement of the engine valves. Keyword Example: YANMAR 4TNV94L Valve Guide.

6. Flameout Solenoid: Located on the Fuel Pump or Engine Block. Cuts off the fuel supply to shut down the engine. Keyword Example: KUBOTA V2203 Flameout Solenoid.

7. Monitor (Display): Located in the Excavator Cabin. Shows engine and machine operating parameters. Keyword Example: Komatsu PC200-8 Monitor.

8. Radiator: Located in the Engine Compartment. Dissipates heat from the engine coolant. Keyword Example: WEICHAI WP10 Radiator.

9. Valve Seat: Located in the Cylinder Head. Provides a sealing surface for the engine valve. Keyword Example: CATERPILLAR C9 Valve Seat.

10. Accelerator Motor (Governor Motor): Located near the Fuel Pump or Throttle Body. Controls engine speed (RPM). Keyword Example: Komatsu PC300-7 Accelerator Motor.

Excavator Maintenance and Troubleshooting Guide

Common Fault and Solution: Komatsu PC200-8 (6D107 Engine)

Fault: Engine Overheating

If your Komatsu PC200-8 excavator with a 6D107 engine is constantly overheating, inspect the Engine Water Pump and the Radiator. A common cause is a corroded water pump impeller or blockages in the radiator fins.

Solution Detail:

1. Water Pump Replacement: If the pump fails, coolant circulation stops. Replace the pump immediately. 2. Radiator Flush: Completely drain and flush the cooling system, removing any scale or debris. Ensure the fan cooling system is operating correctly. 3. Gasket Head Check: Severe overheating may indicate a failed head gasket, requiring a complete engine overhaul kit with a new Gasket Head.

General Engine Maintenance Tips:

• Always use genuine or OEM-quality Engine Bearing and Belt replacements during major service intervals.

• Regularly check oil levels and inspect the Pressure Switch for accurate readings.

• Replace the Gasket Kit and Liner Kit as preventative maintenance during a scheduled engine rebuild to ensure maximum service life.

Full Range of Engine Parts We Provide

Engine Model Coverage (OEM Quality Replacement Parts)

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Honour Time Machinery Limited is a source manufacturer specializing in diesel engine assemblies and spare parts for construction and mining machinery. We provide reliable, high-quality replacements for CUMMINS, Komatsu, Caterpillar, and other top brands globally.