Premium JCB 701-45501 Ignition Key & Komatsu 7861-92-4800 Float Switch

Reliable Excavator Parts - High-Quality Aftermarket Replacement for Construction Equipment

Welcome to Honour Time Machinery Limited, your trusted source for world-class engine components and electrical switches. We specialize in providing JCB Genuine Replacement Parts and Komatsu Hydraulic Sensors.

WhatsApp Us: +8613532379052 
FACTORY DIRECT EXPORT: Customized Engine Cylinder Liners for Heavy Machinery
Available for: CATERPILLAR 320D Liner, KOMATSU PC200-8 Liner, ISUZU 4HK1 Cylinder Sleeve, CUMMINS 6BT Liner.

Core Product Specifications

BrandModel / Part NamePrimary Part NumberAlternative Part Number
JCBIgnition Key (Backhoe Loader/Excavator)701-4550170145501
KomatsuFloat Switch (Water Level Sensor)7861-92-48007861924800

Product Features & Advantages

  • Precision Fit: Specifically designed for JCB 3CX/4CX and Komatsu PC200/PC300 series.

  • High Durability: Built to withstand harsh construction environments and extreme temperatures.

  • Plug & Play: 100% compatible with existing wiring harnesses for quick installation.

  • Error Resolution: Solves "Ignition Failure" and "Low Coolant Level Error" fault codes instantly.

  • OEM Quality: High-quality aftermarket solution ensuring longevity at a factory-direct price.

Engine Parts & Global Model Support

Our inventory covers Cummins Engine PartsIsuzu Overhaul Kits, and Caterpillar Gasket Sets.

Liner KitPistonPiston Ring
Gasket KitGasket HeadCrankshaft
Valve GuideNozzleBearing
RadiatorMain ValveMonitor

Major Engine Models We Support

BrandEngine Models
KOMATSU3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170
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
CUMMINSQSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C

Technical Glossary & Part Placement

  1. Crankshaft (Cummins QSB6.7): Located in the engine block, converts linear piston motion to rotation.

  2. Fuel Injector (Isuzu 6HK1): Installed in the cylinder head, delivers pressurized fuel into the chamber.

  3. Turbocharger (Caterpillar C7): Mounted on the exhaust manifold to increase engine air intake efficiency.

  4. Main Bearing (Komatsu 6D102): Supports the crankshaft within the engine block to minimize friction.

  5. Water Pump (Yanmar 4TNV98): Attached to the front of the engine to circulate coolant through the radiator.

  6. Thermostat (Kubota V2403): Placed between the engine and radiator to regulate operating temperature.

  7. Oil Pump (Weichai WD615): Located inside the oil pan or block to provide lubrication pressure.

  8. Cylinder Head (Caterpillar 3406): Sits on top of the cylinder block, housing valves and injectors.

  9. Solenoid Valve (Komatsu PC200-7): Part of the hydraulic system, controls oil flow for arm/bucket movement.

  10. Alternator (Isuzu 4JG1): Driven by the engine belt to charge the battery and power electronics.

Maintenance & Troubleshooting Guide

Case Study: Komatsu PC210-8 Error Code E02

Problem: The machine displays a low coolant warning even when the radiator is full. This is often caused by a faulty Komatsu 7861-92-4800 Float Switch.

Solution: 1. Disconnect the sensor harness.
2. Remove the old switch from the coolant reservoir.
3. Install the new 7861-92-4800 switch.
4. Clear the error code from the monitor panel.

Maintenance Tip: Always check the Caterpillar C9 Fuel Filter every 500 hours to prevent injector clogging and ensure smooth engine performance.

Global Logistics & Information

Model NO.701-45501 / 7861-92-4800
ApplicationExcavator / Backhoe Loader
ConditionNew Aftermarket / High Quality
PackageNeutral Carton Box
Production Capacity5000 PCS/Year
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsDHL, Fedex, EMS, UPS, Air/Sea

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Honour Time Machinery Limited is a leading exporter of engine assemblies and spare parts for Cummins, Komatsu, Caterpillar, Isuzu, and more. We provide high-precision pistons, crankshafts, and gasket kits to global markets, ensuring machine reliability and performance.

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