Are you facing excavator electronic malfunctions or cooling system failures? Our Komatsu Float Switch 7861-92-4800 (7861924800) and high-performance Hitachi Blower Assemblies are engineered to resolve water level detection errors and HVAC issues in heavy machinery. We specialize in domestic high-quality replacements that meet or exceed original specifications, ensuring your construction equipment operates at peak efficiency.
Direct Manufacturer | Global Export | Customized Development
We provide professional customized manufacturing for various engine cylinder liners. As a source factory, we ensure high precision and durability for international export.
Caterpillar C13 Cylinder Liner - Industrial Grade Heat Resistance
Komatsu 6D125 Engine Liner - Wear-Resistant Alloy Construction
Cummins QSB6.7 Cylinder Sleeve - Precision Finish for High Compression
Isuzu 6HK1 Liner Kit - Optimized Friction Performance
Honour Time Machinery Limited is your one-stop shop for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engine components. We integrate high-quality Cylinder Liners, Pistons, Piston Rings, Main Bearings, Connecting Rod Bearings, Thrust Washers, and Full Overhaul Gasket Kits into your maintenance workflow.
| Category | Core Products |
|---|---|
| Internal Components | Liner Kit, Piston, Piston Ring, Engine Bearing, Connecting Rod, Cylinder Block, Cylinder Head |
| Sealing & Gaskets | Overhaul Gasket Kit, Gasket Head, Valve Seat, Valve Guide |
| Cooling & Power | Radiator, Water Pump, Oil Pump, Fan Cooling, Belt, Turbocharger |
| Electronics & Control | Pressure Switch, Flameout Solenoid, Monitor, Accelerator Motor, Transmitter |
| Fuel System | Diesel Injection Pump, Fuel Injector, Nozzle, Main Valve |
We provide parts for a vast range of engine models and brands to ensure your fleet never stops moving.
| Brand | Supported Engine Models |
|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 |
| Caterpillar | 3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13 |
| Isuzu | 3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1 |
| Mitsubishi | 4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40 |
| Yanmar | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106 |
| Volvo / Cummins | D6D, D6E, D9E, D12D, QSB6.7, QSM11-C, B5.9-C, B3.9-C |
Turbocharger (Cummins QSM11): Mounted on the exhaust manifold to increase engine air intake and power output.
Piston Ring (Caterpillar 3116): Installed in the piston grooves to seal the combustion chamber and regulate oil.
Main Bearing (Isuzu 4HK1): Supports the crankshaft within the cylinder block, ensuring smooth rotation.
Gasket Head (Komatsu 6D102): Placed between the cylinder head and block to prevent coolant and oil leakage.
Water Pump (Yanmar 4TNV98): Circulates coolant through the engine block and radiator to manage temperature.
Fuel Injector (Kubota V2403): Delivers pressurized fuel into the combustion chamber for efficient burning.
Crankshaft (Weichai WD615): Converts the linear motion of pistons into rotational force to drive the machine.
Oil Pump (Caterpillar C9): Forces engine oil under pressure to the moving parts to prevent metal-on-metal wear.
Solenoid Valve (Komatsu PC200-8): Controls hydraulic fluid flow to activate excavator arm or bucket movements.
Liner Kit (Isuzu 6WG1): Includes the cylinder sleeve and piston assembly for a complete engine top-end rebuild.
Common Issue: Engine Overheating in Caterpillar 320D (C6.4 Engine)
Solution: Inspect the Radiator for debris blockage. If the coolant level is normal but temperature is high, check the Water Pump impeller and the Thermostat. Replacing worn Fan Belts and ensuring the Blower Motor is functioning will also prevent cabin overheating.
Maintenance Plan for Komatsu PC300-7:
Every 500 Hours: Replace Engine Oil and Fuel Filters. Inspect the Float Switch 7861-92-4800 for signal accuracy.
Every 1000 Hours: Check the Turbocharger for shaft play and clean the Radiator fins.
| Model NO. | 7861-92-4800 (7861924800) | Application | Excavator / Construction Machinery |
| Condition | New High Quality Aftermarket | Certification | ISO9001 Standard |
| Transport Package | Neutral Carton or Custom Box | Origin | China Factory Direct |
| Production Capacity | 5000 PCS / Year | Payment Terms | T/T, Western Union, MoneyGram |
Shipping Methods: DHL, Fedex, EMS, UPS Express, or via Air/Sea Cargo.
Precise Fit: Specifically designed for Hitachi and Komatsu excavator models.
Extreme Durability: Manufactured using high-strength alloys for long service life.
Cost Effective: Premium domestic alternative to expensive original parts.
Easy Installation: Plug-and-play electronics and standard dimension mechanical parts.
Wide Inventory: Stock available for Cummins QSB, Isuzu HK1, and Caterpillar C series.
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