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Thermostat Element
The Thermostat Element regulates coolant flow based on engine temperature to maintain optimal operating conditions.
This component opens and closes at precise temperature thresholds, ensuring the engine warms up quickly and stays within its ideal thermal range. Built using heat-sensitive wax and durable metal housing, it reacts accurately to temperature changes, controlling coolant circulation to the radiator. Its reliable operation prevents overheating, reduces thermal stress, and supports efficient fuel combustion.
By maintaining consistent engine temperature, the thermostat enhances performance, improves fuel efficiency, and protects components such as the cylinder head, gaskets, and emission-control systems. It is essential for stable engine operation, especially in heavy-duty commercial vehicles running under varying load and climate conditions.
Key Features
- Temperature-sensitive thermostat element
- Ensures proper coolant flow regulation
- Prevents overheating and reduces warm-up time
- Durable and corrosion-resistant construction
- Suitable for heavy-duty diesel engines
Product Specifications
| GROUP | MODEL | REF. PART NUMBER | SPECIFICATIONS |
|---|---|---|---|
| 18.019 | 3128, 2523, 2528 | A4002000415 | Thermostat Element – Precision Temperature Control |
Process Steps
- Drain coolant and remove thermostat housing
- Take out old thermostat element
- Clean sealing surfaces and install new element
- Reassemble housing with fresh gasket
- Refill coolant and bleed air from the system
- Start engine and verify correct opening temperature
FAQ
What does the thermostat element do?
It regulates coolant flow to maintain the engine at its optimal temperature.
When should it be replaced?
When the engine overheats, warms up too slowly, or experiences irregular temperature fluctuations.
