The critical solution for Doosan DB58 Engine Thermostat 65064016050 replacement, ensuring peak performance and preventing common engine faults.
As a source manufacturer with extensive foreign trade export experience, Honour Time Machinery Limited offers factory direct sales and custom development for a wide range of engine parts, particularly Cylinder Liners. We support customization for various specifications and materials to perfectly match your CUMMINS ISX15 Cylinder Liner, KOMATSU 6D114 Cylinder Liner, CATERPILLAR C9 Cylinder Liner, and YANMAR 4TNV88 Cylinder Liner requirements.
Your reliable partner for high-precision engine assembly components.
We provide a premium, high-quality alternative to the original factory component for the DB58 engine. The Thermostat is a critical element in the cooling system, regulating engine temperature to ensure optimal combustion efficiency and prevent severe engine damage from overheating or excessive cold. Our replacement part, specific to the DB58 engine, is engineered to meet or exceed OEM specifications, offering reliable performance and solving common cooling system faults.
| Product | Machine Model | Part Number (OEM Ref.) | Alternative P/N |
|---|---|---|---|
| Thermostat | DB58 | 65.06401-6050 | 65064016050 |
Accurate temperature control for Doosan DB58 engine applications.
High-quality brass and stainless steel construction for enhanced durability.
Direct replacement for OEM Part No. 65.06401-6050.
Ensures optimal coolant flow and prevents engine overheating or overcooling.
Use for excavators or construction machinery powered by the DB58 engine.
Honour Time Machinery Limited specializes in a full spectrum of heavy-duty engine parts. From minor service items to complete engine assemblies, we stock and supply components essential for maintaining brands like CUMMINS, KOMATSU, CATERPILLAR, ISUZU, KUBOTA, YANMAR, and WEICHAI.
| Brand | Engine Models | |
|---|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 | |
| KOBELCO | J05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, 6D34 | |
| 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 | |
Understanding the role of each part is essential for effective maintenance and repair. Here are critical component definitions, complete with real-world equipment and engine model examples:
Gasket Head: A seal placed between the engine block and cylinder head, crucial for combustion integrity. CUMMINS B5.9-C Gasket Head (Installed between Engine Block and Cylinder Head).
Piston Ring: Seals the combustion chamber, transfers heat, and regulates oil. KOMATSU 6D102 Piston Ring (Installed around the Piston).
Valve Guide: Provides a bearing surface for the valve stem. CATERPILLAR C7 Valve Guide (Installed in the Cylinder Head).
Crankshaft: Converts linear piston motion into rotation. ISUZU 6BG1 Crankshaft (Installed in the Engine Block).
Engine Bearing (Main/Con Rod): Reduces friction between moving parts. YANMAR 4TNV94L Engine Bearing (Installed in the Engine Block and Connecting Rod).
Flameout Solenoid: Electrically controls fuel cutoff to stop the engine. KUBOTA V2203 Flameout Solenoid (Installed near the Fuel Injection Pump).
Nozzle (Injector Tip): Atomizes fuel for efficient combustion. WEICHAI WP12 Fuel Nozzle (Installed in the Cylinder Head/Injector).
Thrust Washer: Limits the axial (side-to-side) movement of the crankshaft. CUMMINS QSB6.7 Thrust Washer (Installed on the Crankshaft).
Turbocharger: Increases engine power by forcing more air into the combustion chamber. KOMATSU 4D95 Turbocharger (Installed on the Exhaust Manifold).
Water Pump: Essential for circulating coolant through the entire cooling system. CATERPILLAR 3114 Water Pump (Installed on the Engine Block).
If your KOMATSU PC200-8 (Engine: 6D107) suffers from slow hydraulic response, a common cause is a faulty main pump pressure sensor or a low reading from the Monitor. Ensure all electronic control components like the Pressure Switch and Transmitter are functioning correctly.
Regular replacement of engine oil, hydraulic oil, and filters every 250-500 hours is crucial for maintaining optimal performance and preventing premature wear in all your Excavator Engine Parts. Neglecting fluid changes can lead to component failure, such as wear on Engine Bearings and seals in the Diesel Pump and Injector systems.
| Specifications for DB58 Thermostat (e.g. 65.06401-6050) | |
|---|---|
| Model NO. | 65.06401-6050 / DB58 |
| Application | Excavator, Heavy-Duty Machinery |
| Certification | ISO 9001, Quality Assured |
| Condition | New, High-Quality Aftermarket |
| Product Name | Thermostat, Engine Temperature Regulator |
| Transport Package | Carton / Secure Export Packing |
| Specification | Standard OEM Dimensions, High-Grade Wax Pellet |
| Trademark | HTM (Honour Time Machinery) |
| Origin | China (Source Manufacturer) |
| Production Capacity | 5000PCS/Year |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL, FedEx, EMS, UPS or by Air/Sea |
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