High-Quality Komatsu 7861-92-4800 Float Switch & 10221-9090 Generator Replacement: Cost-Effective Engine Electrical Solutions for Excavators

A Domestic High-Performance Replacement That Solves Common Electrical and Fluid Level System Failures in Models Like the Komatsu PC200-8.

Cylinder Liner Expertise: Manufacturer Direct, Customizable Engine Components for Export

As a leading source manufacturer, we support Customized Development of various engine Liner Kits. Get factory-direct pricing and reliable quality for the global export market.

CUMMINS QSB6.7 Liner KitKOMATSU 6D107 Liner KitCATERPILLAR 3116 Liner KitISUZU 4HK1 Liner Kit

Featured Products: High-Performance Engine Electricals

Generator (12V 90A)

Part No.: 10221-9090 / 102219090

  • Feature 1: Delivers reliable 12V 90A power, essential for heavy-duty starting and operation.

  • Feature 2: High-quality replacement for various construction machinery, ensuring stable electrical supply.

  • Feature 3: Designed with robust components for long service life in harsh environments.

  • Feature 4: Directly compatible with many Caterpillar, Komatsu, and Isuzu engine setups.

  • Feature 5: Vital component to prevent battery drain and system malfunction.

Komatsu Float Switch (Level Sensor)

Part No.: 7861-92-4800 / 7861924800

  • Feature 1: High-precision fluid level detection for hydraulic or fuel tanks on Komatsu excavators.

  • Feature 2: Direct fit replacement for Komatsu PC200-8 and similar models.

  • Feature 3: Ensures accurate monitoring, preventing damage from low fluid levels.

  • Feature 4: Uses durable materials resistant to oil and vibration in heavy equipment.

  • Feature 5: Critical sensor for timely maintenance alerts and machine safety.

We are your trusted source for premium high-quality replacement parts, including Engine overhaul kit wholesaleconnecting rod bearing set wholesale, and specialized diesel engine spare parts for all major construction equipment brands.

Comprehensive Engine Component Solutions

Honour Time Machinery Limited specializes in providing comprehensive engine assemblies and spare parts for leading brands like cumminskomatsuCaterpillarisuzukubotayanmar, and weichai. Our core product offerings ensure your machinery runs smoothly with OEM quality replacement engine parts and heavy machinery engine repair solutions.

Our inventory includes critical excavator engine maintenance components such as Liner KitPistonPiston RingCrankshaft Bearing (Curved Tile)Connecting Rod Bearing (Connecting Rod Tile)Thrust PlateOverhaul Kit, Fuel Injection Pump, InjectorCrankshaftTurbocharger, Water Pump, Oil PumpCylinder BlockCylinder Head, and Connecting Rod.

Engine overhaul kit wholesaleCummins B5.9-C crankshaft bearingKomatsu 6D102 piston ring set priceCaterpillar C4 cylinder block replacementIsuzu 4LE2 water pump supplierKubota V2403 injector nozzle costYanmar 4TNE94 full gasket setWeichai WP6 oil pump partsHigh quality diesel engine spare partsExcavator engine maintenance componentsHeavy machinery engine repair solutionsOEM quality replacement engine partsAftermarket turbocharger assemblyCylinder head overhaul kit for saleConnecting rod bearing set wholesaleEngine piston and ring assemblyDiesel fuel injection pump repairConstruction equipment engine valve guideMain bearing and thrust washer kitEngine rebuild kit for heavy duty

Extensive Inventory of Engine Parts and Models

Key Engine Parts We Can Provide
Liner KitPistonPiston Ring
Gasket KitGasket HeadCrankshaft
Valve GuideNozzleBearing
Pressure SwitchFlameout SolenoidMonitor
RadiatorMain ValveBelt
Engine BearingCylinder BlockValve Seat
Accelerator MotorTransmitterFan Cooling

Other Engine Parts Model Coverage

BrandModel Examples
Komatsu3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170
KOBELCOJ05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, 6D34
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, 4JB1, 6BG1, 6HK1, 6WF1
Yanmar4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 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

Essential Engineering Machinery Parts Definitions

1. Liner Kit: The cylindrical sleeve inserted into the Engine Block. Key for CUMMINS QSM11-C Liner Kit.
2. Piston: Reciprocating component inside the cylinder to compress fuel. Located in the Combustion Chamber. Example: KOMATSU 4D95 Piston.
3. Gasket Head: Seals the combustion chamber between the cylinder head and engine block. Located on the Cylinder Head. Example: CATERPILLAR C7 Gasket Head.
4. Crankshaft: Converts the linear motion of the pistons into rotational motion. Located in the Engine Block. Example: ISUZU 6BG1 Crankshaft.
5. Valve Guide: Guides the movement of the engine valves. Located in the Cylinder Head. Example: YANMAR 4TNV98 Valve Guide.
6. Nozzle: Atomizes and sprays fuel into the combustion chamber. Part of the Fuel System. Example: WEICHAI WP10 Nozzle.
7. Radiator: Transfers heat from the engine coolant to the atmosphere. Part of the Cooling System. Example: VOLVO D12D Radiator.
8. Pressure Switch: Monitors fluid pressure and signals the control system. Located in the Oil/Hydraulic System. Example: KUBOTA V2203 Pressure Switch.
9. Flameout Solenoid: An electrical device that shuts off the fuel supply to stop the engine. Part of the Fuel Shut-off System. Example: HINO J08E Flameout Solenoid.
10. Monitor: The main display screen showing machine parameters and diagnostics. Located in the Cabin Control System. Example: KOBELCO SK200-8 Monitor.

Expert Maintenance Tip: Preventing Engine Overheating

Issue & Solution: Cummins QSB6.7 Overheating

Fault: A common issue in the Cummins QSB6.7 engine (used in many construction machines) is unexpected overheating, often indicated by the temperature gauge maxing out. This can be caused by a faulty water pump, low coolant, or a clogged RadiatorSolution: If the radiator and coolant level are fine, the water pump might have failed. Replace the water pump with a new, high-quality part to restore coolant circulation.

Preventative Engine Maintenance Plan

  • Oil Analysis: Perform regular oil analysis to detect wear particles, which can indicate failing Engine Bearing or piston ring issues.

  • Filter Replacement: Always use premium fuel and oil filters and replace them at the specified intervals to protect the fuel Nozzle and engine from contaminants.

  • Coolant Check: Monitor the coolant level daily and check for leaks around the Gasket Head. Ensure the coolant concentration is correct for proper anti-freezing and anti-corrosion protection.

Order Information & Technical Specifications

Product Specifications for 7861-92-4800

CategoryDetails
Model NO.PC200-8 (Komatsu Excavator Model)
ApplicationExcavator
CertificationISO 9001, CE
ConditionNew
Model No. (PN)7861-92-4800 / 7861924800
Product NameFloat Switch / Level Sensor
Transport PackageCarton
Specification12V, 3 Pin Connector, High Precision
TrademarkOEM Quality Replacement
OriginChina
Production Capacity5000PCS/Year
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsExpress: DHL Fedex EMS UPS or by Air/Sea
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Honour Time Machinery Limitedis a trusted supplier of high-quality, high-performance aftermarket engine parts and accessories for heavy machinery across the globe. We offer factory-direct pricing for reliable engine rebuild components.

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