ISUZU 4JG1 Thermostat 8-97103-685-0: Premium Replacement Solves Engine Overheating Issues
A reliable high-quality domestic alternative solution for ISUZU 4JG1 Engine Thermal Management.
Custom Engine Liner Solutions: Factory Direct & Export
As a trusted source manufacturer for global trade and foreign export, we support custom development and mass production of various engine Cylinder Liner Kits. Our factory-direct service ensures the highest quality and competitive prices for essential engine components like Cylinder Liner Sets, Pistons, and Piston Rings.
Precision Engineered ISUZU 4JG1 Engine Thermostat
The engine thermostat is a vital component for regulating the operating temperature of your ISUZU 4JG1 engine, ensuring peak efficiency and preventing catastrophic damage from overheating. Our high-quality replacement thermostat is specifically designed for the 4JG1 model, guaranteeing seamless integration and reliable performance. This part directly replaces the original equipment with part number 8-97103-685-0 and its non-dash counterpart, 8971036850. Trust Honour Time Machinery Limited to provide the durable and precise components your machinery demands.
Key Product Features for ISUZU 4JG1
Precision-engineered for the ISUZU 4JG1 Diesel Engine, ensuring perfect fitment and performance.
Ensures optimal 82°C operating temperature to prevent engine damage and maintain fuel efficiency.
Direct replacement for OEM Part No. 8-97103-685-0 / 8971036850.
High-durability brass and copper construction for reliable, long-term performance under harsh conditions.
A critical component for efficient engine combustion and reduced emissions, supporting your machine's environmental compliance.
Comprehensive Engine Parts Supply from Honour Time Machinery Limited
Honour Time Machinery Limited specializes in providing a full range of engine assemblies and replacement parts for leading machinery brands globally. Our extensive inventory covers Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engines, catering to construction and industrial applications worldwide.
We provide essential engine components like crankshaft bearing, connecting rod bearing, thrust plate, overhaul gasket kit, diesel pump, injector, turbocharger, water pump, oil pump, cylinder block, cylinder head, and connecting rod.
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Product Detail and Specification: ISUZU 4JG1 Engine Thermostat
| Model NO. | Application | Excavator Application | Certification |
|---|---|---|---|
| 4JG1 | Engine | Hitachi ZX70, Sumitomo SH75U | ISO 9001, CE |
| Condition | Model No. | Product Name | Transport Package |
| New | ISUZU 4JG1 | Engine Thermostat | Carton |
| Specification | Trademark | Origin | Production Capacity |
| Opening Temp 82°C, Brass/Copper Housing | HTM (Honour Time Machinery) | China | 5000PCS/Year |
| Payment Terms | Delivery Methods | ||
| T/T, Western Union, MoneyGram | Express: DHL Fedex EMS UPS or by Air/ Sea | ||
Other Engine Parts Models We Can Provide
| Brand | Popular Models | Brand | Popular Models |
|---|---|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 | KOBELCO | J05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, J05E, 6D34, J08E |
| CATERPILLAR | 3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13 | Mitsubishi | 4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40 |
| ISUZU | 3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1 | Yanmar | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106 |
| HINO | J05E, J08E, V25C, EF750, P11C, V21C, H06CT, H07D | CUMMINS | QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C |
| VOLVO | D6D, D6E, D9E, D12D, D7D, D7E, D12E, D16D | ||
Essential Engineering Machinery Parts Glossary and Locations
1. Liner Kit: Installed in the Cylinder Block. Example: Komatsu 6D107 Liner Kit for PC220-7 Excavator.
2. Piston: Installed in the Cylinder Liner. Example: Caterpillar C7 Piston for CAT 325D Excavator.
3. Crankshaft Bearing: Installed in the Engine Crankcase. Example: ISUZU 6BG1 Crankshaft Bearing for EX200-5 Excavator.
4. Nozzle: Installed in the Fuel Injector. Example: Cummins QSB6.7 Nozzle for D61EX-15 Bulldozer.
5. Gasket Head: Installed between the Cylinder Block and Cylinder Head. Example: Yanmar 4TNV94 Gasket Head for ViO80 Excavator.
6. Valve Guide: Installed in the Cylinder Head. Example: Kubota V2403 Valve Guide for KX080-3 Excavator.
7. Flameout Solenoid: Installed near the Diesel Pump/Fuel System. Example: Weichai WP6 Flameout Solenoid for SDLG 956 Loader.
8. Radiator: Installed in the Front Chassis. Example: Komatsu PC300-7 Radiator for PC300-7 Excavator.
9. Belt: Installed on the Engine Pulley System. Example: Caterpillar 3306 Belt for 966H Wheel Loader.
10. Engine Bearing (Con Rod Bearing): Installed on the Connecting Rod. Example: ISUZU 4HK1 Con Rod Bearing for Zaxis200 Excavator.
Fault Diagnosis and Preventative Maintenance
Case Study: Komatsu PC400-8 Engine 6D125 Overheating
A common issue on the Komatsu PC400-8 Excavator with the 6D125 Engine is engine overheating. This is often caused by a faulty Engine Thermostat (stuck closed) or low coolant levels.
Solution:
Immediate action involves safely shutting down the machine. If the thermostat is the culprit, replace it with a certified OEM-spec part (like our high-quality alternative for the ISUZU 4JG1 thermostat, ensuring proper coolant flow) and thoroughly flush and refill the cooling system with the correct coolant mix.
Preventative Maintenance Plan:
Daily Check: Inspect coolant level in the radiator and reservoir. Check all cooling hoses and the radiator cap for leaks or damage.
Monthly Check: Inspect drive belts for correct tension and wear. Clean radiator fins to ensure unrestricted airflow.
Scheduled Service: Perform a cooling system flush and coolant replacement every 1000-2000 hours or two years, depending on operating conditions. Timely replacement of the Engine Thermostat is critical.

