Yanmar 4TNV98 Thermostat 121850-49811High-Quality Replacement Solves Overheating Issues

Looking for OEM Quality Crankshaft Bearing Kit or a reliable Precision Machined Engine Liner Kit Supplier? We have you covered.

Direct Factory Sourcing for Custom Engine Cylinder Liner Kits

As a verifiable Honour Time Machinery Limited source factory, we specialize in the customized development and manufacturing of all kinds of engine cylinder liners. We offer factory direct pricing and high-volume export capacity. Whether you need a standard set or a bespoke solution, trust the source manufacturer for exceptional quality and stability.

Cummins QSB6.7 Cylinder Liner
Komatsu 6D102 Piston Liner Kit
Caterpillar C9 Engine Cylinder Liner
Isuzu 6HK1 Diesel Liner Set

Featured Product: Yanmar Engine Thermostat

Product Details & Key Features

Ensure the optimal operating temperature of your equipment with our replacement Yanmar Thermostat. Specifically designed for Yanmar engines (e.g., 4TNV98), this crucial component maintains engine efficiency and longevity.

Part Number:

121850-49811

Also known as: 12185049811

Top 5 Product Characteristics:

  • Precision Temperature Control for Yanmar 4TNV98 engine.

  • High-quality replacement for OEM part 121850-49811.

  • Ensures optimal coolant flow in construction machinery. (Use for excavator or construction machinery)

  • Durable brass and wax pellet construction for longevity.

  • Prevents engine overheating and cold running conditions.

Komatsu PC200-8 Float Switch

We also stock vital sensors like the Komatsu Float Switch, essential for monitoring fluid levels in your Komatsu PC200-8 excavator.

Part Number:

7861-92-4800

Also known as: 7861924800

Top 5 Product Characteristics:

  • Accurate Fluid Level Sensing for Komatsu PC200-8 excavator.

  • Reliable replacement for OEM part 7861-92-4800.

  • Essential for hydraulic or fuel reservoir monitoring. (Use for excavator or construction machinery)

  • Resistant to corrosion and vibration.

  • Plug-and-play installation, matching original specifications.

Comprehensive Range of Engine Components

Honour Time Machinery Limited is a leading supplier of Affordable Full Gasket Kit Engine Overhaul components for major brands like CumminsKomatsuCaterpillarIsuzuKubotaYanmar, and Weichai. Our extensive inventory includes:

Liner Kit
Piston
Piston Ring
Gasket Kit
Gasket Head
Crankshaft
Valve Guide
Nozzle (Fuel Injector)
Bearing (Engine Bearing)
Pressure Switch
Flameout Solenoid
Monitor
Radiator
Main Valve
Belt
Cylinder Block
Valve Seat
Accelerator Motor
Transmitter
Fan Cooling

We focus on high-demand items like Excavator Diesel Pump and Injector AssemblyReliable Turbocharger Replacement for CumminsComplete Cylinder Head and Valve Train AssemblyConnecting Rod Bearing and Thrust Washer SetKubota Diesel Engine Rebuild Kits, and Yanmar 4TNV88 Engine Overhaul Parts. We are specialists in providing Isuzu 6BG1 Piston and Ring Supplier solutions and Cummins QSB6.7 Engine Gasket Head components.

Engine Model Compatibility Chart

BrandModel Series
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

Product Specifications & Logistics

DetailValue
Model NO. (Product Name)Yanmar Thermostat / Komatsu Float Switch
ApplicationExcavator / Construction Machinery
CertificationISO 9001, Quality Tested
ConditionNew
Transport PackageDurable Carton Packaging
SpecificationOEM Standard Replacement
OriginChina (Source Manufacturer)
Production Capacity5000 PCS/Year
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsExpress: DHL Fedex EMS UPS or by Air/Sea freight (Fast Global Delivery)

Engineering Machinery Parts Nomenclature & Expertise

Our expertise covers every component, from the engine's core to its control systems. Below are examples of specialized parts and their function, which we supply globally, focusing on Heavy Duty Cylinder Block Replacement and Industrial Water Pump and Oil Pump Parts.

Part Definition Keywords:

  • Cummins B5.9-C Turbocharger: Boosts air intake; Location: Exhaust Manifold.

  • Komatsu PC200-6 6D105 Piston: Converts combustion energy; Location: Inside the Cylinder Liner.

  • CAT 320 3116 Crankshaft: Converts linear motion to rotation; Location: Engine Block bottom.

  • Isuzu FTR 4HK1 Fuel Injector: Sprays fuel; Location: On the Cylinder Head.

  • Kubota Mini-Excavator V2203 Piston Ring: Seals combustion chamber; Location: Piston grooves.

  • Yanmar ViO80 4TNV98 Gasket Head: Seals Block and Head; Location: Between Engine Block and Head.

  • Weichai F3000 WP10 Cylinder Liner: Provides wear surface; Location: Inside the Cylinder Block.

  • Cummins Crane QSM11-C Main Bearing: Supports crankshaft rotation; Location: Engine Block Main Caps.

  • Komatsu WA100 4D95 Valve Guide: Guides valve stem motion; Location: In the Cylinder Head.

  • Caterpillar 950H C7 Flameout Solenoid: Cuts off fuel to stop engine; Location: On the Fuel Pump.

Excavator Maintenance and Troubleshooting Tip

Komatsu PC200-8 (6D107 Engine) Overheating Fault:

If your Komatsu PC200-8 hydraulic oil temperature rises rapidly, first check the Fan Cooling motor function and the tension of the Belt. A common issue is a blockage in the Radiator fins or a failing Radiator itself. A full inspection of the Pressure Switch readings is recommended as part of the system diagnostic.

General Maintenance Tip:

Regular maintenance for your Komatsu PC200-8 should include checking all fluid levels and ensuring the engine's Gasket Head is free of leaks to maintain correct cylinder compression and prevent coolant/oil mixing.

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Honour Time Machinery Limited

Honour Time Machinery Limited is a global trading expert specializing in complete engine assemblies and parts for heavy-duty machinery. We offer reliable, high-quality replacement components for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai, ensuring peak performance and durability for your construction equipment.

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