Komatsu PC200-8 Thermostat 6735-61-6471 & Float Switch 7861-92-4800High-Quality Domestic Replacement Solves Overheating and Fluid Level Anomalies

Source Manufacturer Advantage: Custom Engine Cylinder Liner Development

As a leading source manufacturer, Honour Time Machinery Limited specializes in the factory-direct supply of high-precision engine components, catering to global foreign trade export demands. We offer comprehensive support for custom development of various engine Liner Kits, ensuring perfect compatibility and peak engine performance for models like Cummins B5.9-C Liner KitKomatsu 6D95 Liner KitCaterpillar C7 Liner Kit, and Isuzu 4HK1 Liner Kit. Trust our direct sales model for the best quality and value.

Featured High-Precision Komatsu Components

Komatsu Thermostat - Cooling System Control

Part Numbers: 6735-61-6471 (6735616471), 6732-61-1620 (6732611620)

  • Feature 1: Essential for Komatsu engine temperature regulation, preventing overheating (e.g., PC200-8).

  • Feature 2: Precision-calibrated opening temperature ensures optimal engine efficiency and fuel economy.

  • Feature 3: Constructed from durable brass and copper alloys for superior corrosion resistance and longevity.

  • Feature 4: Direct fit replacement for OE 6735-61-6471 in Komatsu 6D95 series engines.

  • Feature 5: Maintains stable operating temperature, crucial for reducing wear on components like the Piston Ring and Cylinder Head.

Komatsu Float Switch - Fluid Level Monitoring

Part Number: 7861-92-4800 (7861924800)

  • Feature 1: Used for excavator fluid level detection (e.g., hydraulic tank, fuel tank, radiator).

  • Feature 2: High-accuracy magnetic sensing prevents false alarms and machine downtime.

  • Feature 3: Rugged construction with superior sealing to withstand vibration and harsh operating environments.

  • Feature 4: Crucial safety component, protecting the hydraulic system and the Crankshaft by ensuring proper fluid levels.

  • Feature 5: Compatible with various Komatsu heavy machinery, ensuring system health and preventing operational failures.

Comprehensive Range of Engine Parts We Provide

We are your trusted supplier for essential engine components, from Overhaul Kits to high-performance Turbochargers.

Group 1Group 2Group 3
Liner KitPistonPiston Ring
Gasket KitGasket HeadCrankshaft
Valve GuideNozzle / InjectorBearing (Crankshaft Bearing, Connecting Rod Bearing)
Pressure SwitchFlameout SolenoidMonitor
Radiator / Water PumpMain ValveBelt
Engine BearingCylinder Block / Cylinder HeadValve Seat
Accelerator MotorTransmitterFan Cooling

Long-Tail Keywords integrated: Komatsu PC200-8 Thermostat replacementHigh-quality aftermarket engine liner kitsCummins QSB6.7 overhaul gasket set priceIsuzu 6BG1 cylinder head bolt torque specCaterpillar C7 piston ring set for saleYanmar 4TNV98 water pump repair kitKubota mini excavator engine parts supplierWeichai diesel engine fuel injector pumpExcavator heavy machinery engine bearing priceGenuine vs aftermarket turbocharger comparison.

Product Specifics: Komatsu Thermostat/Float Switch

AttributeValue
Model NO. (Thermostat)6735-61-6471 (6735616471)
Product NameKomatsu Thermostat/Float Switch
ApplicationExcavator, Bulldozer, Construction Machinery
ConditionNew
CertificationISO/TS 16949 Compliant
Specification (Thermostat)Opening Temp: 82°C. Direct Replacement Fit
TrademarkHonour Time Machinery Limited
OriginChina
Production Capacity5000 PCS/Year
Transport PackageCarton (Secure Export Packaging)
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsExpress: DHL, Fedex, EMS, UPS or by Air/Sea

Long-Tail Keywords integrated: Engine parts source manufacturer ChinaReliable construction machinery componentsGlobal exporter of engine spare partsWholesale engine connecting rod assemblyDiesel engine spare parts online.

Supported Engine Models (Cylinder Block, Cylinder Head, Connecting Rod, Piston)

BrandModel Series 1Model Series 2
Komatsu3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D956D102, 6D105, 6D114, 6D170
KobelcoJ05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, 6D34J05E, J08E
Caterpillar3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13
Mitsubishi4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40
Isuzu3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB16BG1, 6HK1, 6WF1
Yanmar4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE944TNV98, 4TNV106
HinoJ05E, J08E, V25C, EF750, P11C, V21C, H06CT, H07D
CumminsQSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C
VolvoD6D, D6E, D9E, D12D, D7D, D7E, D12E, D16D

Long-Tail Keywords integrated: Engine overhaul kit full setHeavy equipment thermostat replacement guideKomatsu 6D105 float switch sensorAffordable heavy duty engine overhaul solutionsConstruction equipment cooling system partsExcavator Connecting Rod replacementDiesel Pump repair service kitCrankshaft bearing replacement costCylinder Block component salesThrust Washer kit for diesel engines.

Technical Glossary: Key Engine Components and Their Location

Liner Kit Definition: The assembly of the cylinder liner, piston, and piston ring. Installed within the Cylinder BlockCaterpillar 3116 Liner Kit.

Piston Definition: The reciprocating component in the engine that converts force from expanding gas into rotational torque. Located in the cylinder. Cummins QSB6.7 Piston.

Crankshaft Bearing Definition: Main bearings supporting the crankshaft and enabling its rotation. Installed on the main bearing journals in the Cylinder BlockKomatsu 6D102 Crankshaft Bearing.

Gasket Head Definition: A critical seal between the Cylinder Head and the Cylinder Block, containing combustion. Isuzu 4BG1 Gasket Head.

Turbocharger Definition: A device that compresses air into the engine to increase power output. Mounted on the exhaust manifold. Weichai WP10 Turbocharger.

Water Pump Definition: Circulates coolant through the engine and radiator to regulate temperature. Located at the front of the engine block. Yanmar 4TNV88 Water Pump.

Fuel Injector Definition: Atomizes and sprays fuel into the combustion chamber or intake manifold. Installed in the Cylinder HeadKubota V3307 Injector.

Oil Pump Definition: Pressurizes and circulates engine oil to all moving parts for lubrication. Typically located in the oil pan or front cover. Komatsu 4D95 Oil Pump.

Valve Guide Definition: Keeps the valve stem aligned as it moves, ensuring proper valve seating. Pressed into the Cylinder HeadCaterpillar C6 Valve Guide.

Connecting Rod Definition: Connects the Piston to the Crankshaft, converting reciprocating motion to rotary motion. Cummins B3.9-C Connecting Rod.

Maintenance Corner: Engine Health and Troubleshooting

Fault & Solution: Komatsu PC200-7 Engine Overheating

Fault: A Komatsu PC200-7 (powered by a 6D102 engine) begins to overheat shortly after operation, even when the coolant level is correct.

Solution: The most common cause is a faulty Komatsu Thermostat (Part NO. 6735-61-6471) stuck in the closed position. This prevents coolant from circulating to the radiator. Replace the thermostat immediately with a high-quality replacement to restore proper coolant flow and prevent severe engine damage, such as scoring the Cylinder Liner.

Essential Maintenance Tip: Yanmar 4TNV98 Engine Overhaul

During a major engine overhaul for a Yanmar 4TNV98, always replace the entire Gasket Kit (Overhaul Kit), including the Gasket Head and all seals. Additionally, verify the clearance of the new Piston Rings and ensure the new Crankshaft Bearings and Connecting Rod Bearings are lubricated before installation. Proper torque sequence on the Cylinder Head is non-negotiable for a successful rebuild and long-term reliability.

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Honour Time Machinery Limited

Honour Time Machinery Limited is a trusted global supplier specializing in engine assemblies and spare parts for Komatsu, Cummins, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai, ensuring reliable and high-quality solutions for your heavy machinery needs.

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