High-Quality Komatsu Oil Pump 6211-51-1000 & Float Switch 7861-92-4800:
Affordable, Reliable Aftermarket Solutions for Komatsu Excavator Engine Maintenance

Solving Engine Failures with Domestic High-Quality Alternatives and Genuine Performance

Factory Direct Customization: Engine Cylinder Liner Solutions

We are a direct source manufacturer supporting the customization and development of various engine cylinder liners for foreign trade export. As a primary source supplier, we guarantee high quality and competitive pricing for all your engine component needs.

Cummins QSB6.7 Cylinder LinerKomatsu 6D107 Cylinder LinerCaterpillar C7 Cylinder LinerIsuzu 6BG1 Cylinder Liner

Your Premier Source for Komatsu Oil Pump 6211-51-1000 and Essential Excavator Components

Welcome to Honour Time Machinery Limited, your trusted global partner for high-quality diesel engine parts. We specialize in providing comprehensive engine assembly and spare parts for leading brands, including CumminsKomatsuCaterpillarIsuzuKubotaYanmar, and Weichai. Our core product lineup covers everything required for a complete engine overhaul, ensuring your heavy equipment—like the Komatsu excavators—stays operational. We offer exceptional value as a supplier of OEM quality aftermarket engine components, specializing in engine components for construction machinery.

Searching for genuine Komatsu parts alternativeheavy machinery engine overhaul kitsaffordable diesel engine componentsCummins ISB connecting rod bearings, or a Caterpillar C9 turbocharger replacement? We have the Isuzu 4HK1 injector nozzleKubota V2403 full gasket setYanmar 4TNV98 water pump price, and Weichai WP10 engine assembly for sale you need. Rely on our expertise for excavator hydraulic pump suppliersconstruction equipment repair shop essentialsfactory direct engine parts exportreliable excavator repair partsdurable engine components sourcingdiesel engine rebuild specialistsglobal supplier construction partsKomatsu PC200-8 piston and liner kitCaterpillar 320D engine block assembly, and Isuzu 6BG1 piston ring set cost.

Key Features of Komatsu Replacement Parts

Komatsu Oil Pump (P/N: 6211-51-1000 / 6211511000)

  • Direct Fitment: Engineered as a precise, direct replacement for Komatsu OEM P/N 6211-51-1000.

  • Critical Function: Essential for maintaining optimal engine oil pressure and consistent lubrication.

  • Application: Designed for use in Komatsu excavators and various heavy construction machinery.

  • High Reliability: Features a robust, high-flow design ensuring reliable operation in demanding, high-temperature conditions.

  • Engine Protection: Crucial component that actively prevents costly engine damage caused by insufficient oil circulation.

Komatsu Float Switch (P/N: 7861-92-4800 / 7861924800)

  • OEM Equivalent: Functions as a high-quality, direct alternative to Komatsu P/N 7861-92-4800.

  • Fluid Monitoring: Primarily used in Komatsu excavator hydraulic tanks or radiators to accurately monitor and signal fluid levels.

  • System Safety: Ensures precise fluid level detection, which is vital for preventing major hydraulic or cooling system failures.

  • Durability: Constructed for heavy-duty applications, capable of withstanding high vibration and harsh operational environments.

  • Maintenance Tool: Acts as a critical safety sensor for proactive system diagnostics and preventive maintenance scheduling.

Engineering Machinery Parts Dictionary & Essential Maintenance Tips

Cummins QSB6.7 Piston: Converts gas pressure into rotational motion via the connecting rod; located within the cylinder block.
Komatsu 6D102 Piston Ring: Seals the combustion chamber and regulates oil consumption; installed in the piston grooves.
Caterpillar C6 Gasket Head: Forms a static seal between the engine block and cylinder head, preventing fluid and gas mixing.
Isuzu 4HK1 Water Pump: Circulates coolant through the engine and radiator to manage and dissipate heat. (Engine Cooling System)
Kubota V2403 Main Valve: Regulates hydraulic fluid flow/pressure to control cylinders in the hydraulic control block. (Hydraulic Pump/Control Block)
Yanmar 4TNV98 Con Rod Bearing: Allows smooth rotation of the connecting rod around the crankshaft journal. (Engine Crankshaft)
Weichai WP12 Turbocharger: Uses exhaust gas to compress intake air, boosting engine power. (Engine Exhaust/Intake)
Komatsu 6D114 Injector Nozzle: Atomizes and sprays fuel into the combustion chamber under high pressure. (Engine Cylinder Head)
Caterpillar 320D Accelerator Motor: Electronically controls the engine throttle position in older excavators. (Engine/Fuel System)
Isuzu 6WG1 Crankshaft: Converts the piston's reciprocating motion into the engine's rotational power. (Engine Block Bottom)

Machine Fault and Preventive Maintenance: Komatsu PC200-8 Engine Overheating

Fault Symptom: A Komatsu PC200-8 excavator experiences rapid engine overheating, indicated by the coolant temperature gauge spiking to the red zone. This often points to a failure in the cooling or lubrication circuit.

Maintenance Solution: To prevent catastrophic engine failure, immediately check the Komatsu 6D107 Radiator fins for any debris or blockage that restricts airflow. Ensure the coolant level is correct, and crucially, verify the tension and condition of the Komatsu PC200-8 Fan Cooling belt. Regular replacement of coolant and periodic inspection of all hoses and the radiator cap are simple, low-cost ways to ensure engine longevity and avoid downtime.

Comprehensive Component and Model Support

Primary Engine Parts Supplied

Group 1Group 2Group 3Group 4Group 5
Liner KitPistonPiston RingGasket KitGasket Head
CrankshaftValve GuideNozzleBearingPressure Switch
Flameout SolenoidMonitorRadiatorMain ValveBelt
Engine BearingCylinder BlockValve SeatAccelerator MotorTransmitter
Fan CoolingDiesel PumpInjectorTurbochargerCylinder Head

Supported Engine Models by Brand

BrandModel Lineup
Komatsu3D82, 3D84, 4D84, 4D95, 4D105, 6D95, 6D102, 6D105, 6D108, 6D110, 6D114, 6D170
KOBELCOJ05E, J08E, 6D16, 6D16T, 6D22T, 6D24T, 6D34, 6D34T
CATERPILLAR3114, 3116, 3064T, C4, C6, C7, C-9, C13, S6K
Mitsubishi4D24, 4D34, K4M, S3Q2, S4KT, 6D16, 6D24, 6D40
ISUZU3LD1, 4LE1, 4LE2, 4JB1, 4BG1, 4HK1, 6BG1, 6HK1, 6SD1, 6WF1, 6WG1
Yanmar4D88E, 4TNE84, 4TNE88, 4TNE94, 4TNV88, 4TNV94L, 4TNV98, 4TNV106
HINOJ05E, J08E, P11C, H06CT, H07D, V25C, EF750, V21C
CUMMINSQSB6.7, QSM11, QSM11-C, B5.9-C, B3.9-C, C8.3-C
VOLVOD6D, D6E, D7D, D7E, D9E, D12D, D12E, D16D

Product Specifications & Transaction Details

SpecificationKomatsu Oil Pump 6211-51-1000Komatsu Float Switch 7861-92-4800
BrandKomatsuKomatsu
Model NO.6211-51-1000 / 62115110007861-92-4800 / 7861924800
Product NameOil Pump (Machine Oil Pump)Float Switch (Fluid Level Sensor)
ApplicationEngine/ExcavatorExcavator Hydraulic/Radiator System
ConditionNewNew
SpecificationHigh Pressure Lubrication, Standard FitmentElectronic, Fluid Level Detection, 24V
CertificationISO 9001, OE Quality TestedISO 9001, CE Compliant
OriginChinaChina
TrademarkHTM Quality ReplacementHTM Quality Replacement
Production Capacity5000 PCS/Year5000 PCS/Year
Transport PackageCartonCarton
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsExpress: DHL, FedEx, EMS, UPS or by Air / Sea Freight

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About Honour Time Machinery Limited

Honour Time Machinery Limited is a global trading and manufacturing company specializing in diesel engine assemblies and critical spare parts. We deliver factory-direct, high-quality replacements for top brands like Komatsu, Cummins, and Caterpillar, ensuring superior performance and reliability for your construction and mining machinery worldwide.

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