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E4T15-1306110

Brand: Chery

Model: Tiggo 7

Product Name:Electronic thermostat

Part Number: E4T15-1306110

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Product Details

Comprehensive Professional Description: Chery Tiggo 7 Electronic Thermostat (Part No. E4T15-1306110)

1. Basic Overview & Core Functional Positioning

The E4T15-1306110 electronic thermostat is an authentic Original Equipment Manufacturer (OEM) component exclusively developed and produced by Chery Automobile Co., Ltd. for the Chery Tiggo 7, a compact SUV renowned for its sleek design, advanced technology, and reliable performance in both urban and suburban driving scenarios. As a core intelligent control component in the vehicle’s engine cooling system, the E4T15-1306110 electronic thermostat undertakes the critical task of dynamically regulating the flow of coolant between the engine and radiator, ensuring the engine operates within its optimal temperature range at all times. Unlike traditional mechanical thermostats that rely on passive temperature sensing, this electronic version integrates advanced electronic control technology, enabling precise, real-time adjustment of coolant flow based on multiple engine operating parameters—making it a key component for enhancing engine efficiency, reducing fuel consumption, and extending engine service life.

The Chery Tiggo 7, since its launch, has positioned itself as a flagship model in Chery’s SUV lineup, combining modern aesthetics with practical functionality and advanced powertrain technology. Specifically, the E4T15-1306110 electronic thermostat is engineered for Chery Tiggo 7 models equipped with the 1.5T E4T15 gasoline engine—a powertrain co-developed by Chery with advanced international technology, known for its strong power output, excellent fuel economy, and low emissions. The E4T15 engine features a cast iron cylinder block and aluminum alloy cylinder head, which requires precise temperature control to balance performance and durability, making the E4T15-1306110 electronic thermostat an indispensable component for this powertrain. Positioned between the engine cylinder head and the radiator inlet, the electronic thermostat acts as a "smart valve" in the cooling system, dynamically adjusting its opening degree based on signals from the engine control unit (ECU), thereby regulating the amount of coolant entering the radiator for heat dissipation.

The part number E4T15-1306110 serves as a unique identifier for this Chery Tiggo 7-specific electronic thermostat, distinguishing it from thermostats used in other Chery models (such as the Arrizo series or Tiggo 8) or non-Chery brand vehicles. As a genuine OEM component, the E4T15-1306110 strictly adheres to Chery’s original design standards, material specifications, and performance requirements, ensuring perfect compatibility with the Tiggo 7’s E4T15 engine cooling system, mounting points, and adjacent components (including the water pump, coolant hoses, and ECU). Notably, this electronic thermostat is also compatible with certain Chery models equipped with the same E4T15 engine, such as some Tiggo 5x variants, further expanding its application scope while maintaining strict model-specific precision. Unlike low-quality aftermarket electronic thermostats that often cut corners in electronic components and material selection, the genuine E4T15-1306110 undergoes rigorous testing and validation to meet international automotive industry standards (ISO 9001 and IATF 16949), making it the preferred choice for Chery Tiggo 7 owners and professional automotive repair technicians who prioritize long-term reliability, precise control, and engine protection.

Beyond its core temperature regulation function, the E4T15-1306110 electronic thermostat also plays a critical role in optimizing engine performance and reducing environmental impact. By maintaining the engine at its optimal operating temperature (typically 85°C to 95°C), the thermostat ensures efficient fuel combustion, reduces harmful emissions (such as carbon monoxide and nitrogen oxides), and prevents engine damage caused by overheating or underheating. A faulty or ill-fitting electronic thermostat can lead to inaccurate temperature control, resulting in engine overheating, reduced power output, increased fuel consumption, and even damage to critical engine components such as gaskets, cylinder heads, and pistons. Therefore, the genuine E4T15-1306110 electronic thermostat is an essential replacement part for maintaining the Chery Tiggo 7’s engine health, performance, and environmental compliance.

E4T15-1306110

2. Premium Material Selection & Precision Manufacturing Process

The Chery E4T15-1306110 electronic thermostat is crafted from high-performance, automotive-grade materials, carefully selected by Chery’s engineering team to withstand the extreme operating conditions of the Chery Tiggo 7’s cooling system—including high temperatures (up to 130°C), high system pressure (up to 1.5 bar), and constant exposure to coolant and electrical stress. Drawing on years of experience in automotive electronic component manufacturing and advanced material science, Chery prioritizes materials that balance heat resistance, corrosion resistance, electrical insulation, and mechanical strength, ensuring the electronic thermostat maintains stable performance over a service life of typically 80,000–120,000 kilometers under normal operating conditions.

The main body (housing) of the E4T15-1306110 electronic thermostat is made of high-quality aluminum alloy (ADC12), a material widely recognized in the automotive industry for its excellent heat conductivity, lightweight properties, and corrosion resistance. Aluminum alloy is chosen for its ability to efficiently dissipate heat generated by the electronic control module and the engine, reducing the risk of overheating and extending the thermostat’s service life. Additionally, the lightweight nature of aluminum alloy helps reduce the overall weight of the engine bay, contributing to improved fuel efficiency—a key consideration for the Chery Tiggo 7’s practical design. The housing undergoes a strict anodizing process to enhance its corrosion resistance, ensuring it can withstand long-term exposure to coolant and harsh under-hood environments.

The valve core, a critical component responsible for regulating coolant flow, is made of high-grade stainless steel (304), which offers exceptional corrosion resistance, wear resistance, and mechanical strength. The valve core is precision-machined to ensure a tight seal with the valve seat, preventing coolant leakage and ensuring precise flow control. The valve seat is made of high-temperature-resistant fluororubber (FKM), which can withstand extreme temperatures and chemical corrosion from coolant, ensuring a reliable seal even under harsh operating conditions. This combination of stainless steel and fluororubber ensures the valve assembly operates smoothly and reliably for extended periods.

At the heart of the E4T15-1306110 electronic thermostat is its electronic control module, which consists of a high-precision temperature sensor, a microcontroller (MCU), and a solenoid valve. The temperature sensor is made of high-sensitivity NTC (Negative Temperature Coefficient) thermistor, which can accurately detect the temperature of the engine coolant with a measurement range of -40°C to 150°C and an accuracy of ±1°C. The MCU is a high-performance automotive-grade chip, designed to process signals from the engine control unit (ECU) and the temperature sensor in real time, and control the solenoid valve to adjust the valve opening degree. The solenoid valve is made of high-quality copper coil and magnetic core, ensuring fast response and stable performance, with a response time of less than 50ms.

The manufacturing process of the E4T15-1306110 electronic thermostat follows a strict, ISO 9001 and IATF 16949 certified production workflow, consistent with Chery’s global quality standards and modern automotive electronic component manufacturing practices. The production process begins with the precision die-casting of the aluminum alloy housing, which ensures uniform material distribution and eliminates internal defects such as pores and cracks. The cast housing undergoes a strict heat treatment process (T6 heat treatment) to enhance its mechanical strength and heat resistance.

Next, the valve core and valve seat are precision-machined using CNC turning and grinding equipment, ensuring their dimensions and surface finish meet strict tolerances (±0.02 mm). The electronic control module is assembled in a cleanroom environment to prevent dust and debris from affecting its performance, with strict quality control to ensure proper soldering and component alignment. The entire assembly undergoes a series of precision testing and calibration processes, including temperature sensor calibration, solenoid valve response testing, and leakage testing.

The final step in the manufacturing process involves rigorous quality control testing to ensure the E4T15-1306110 electronic thermostat meets Chery’s strict performance standards. These tests include high-temperature durability testing, pressure resistance testing, electrical performance testing, and environmental testing. High-temperature durability testing simulates thousands of hours of operation under extreme temperatures to ensure the thermostat maintains its performance over its service life. Pressure resistance testing ensures the thermostat can withstand system pressures up to 1.5 bar without deformation or leakage. Electrical performance testing verifies the accuracy of the temperature sensor and the responsiveness of the solenoid valve. Environmental testing ensures the thermostat can withstand humidity, vibration, and chemical exposure typical of automotive under-hood environments. Only electronic thermostats that pass all these tests are allowed to leave the factory, ensuring the E4T15-1306110 series delivers reliable performance and long service life in the Chery Tiggo 7.

E4T15-1306110

3. Structural Composition & Key Design Features

The Chery E4T15-1306110 electronic thermostat features a precision-engineered structural design, tailored to the specific requirements of the Chery Tiggo 7’s E4T15 engine cooling system and the vehicle’s diverse operating environment. Its structural composition is optimized to maximize temperature control precision, ensure leak-proof performance, facilitate easy installation and maintenance, and enhance durability, with key design features that address the unique challenges of electronic thermostat operation—especially in varying driving conditions and temperature environments.

One of the key design features of the E4T15-1306110 electronic thermostat is its integrated electronic control module, which sets it apart from traditional mechanical thermostats. The electronic control module is seamlessly integrated into the thermostat housing, reducing the overall size and ensuring easy installation in the Tiggo 7’s compact engine bay. The module is equipped with a waterproof and dustproof connector, designed to withstand the harsh under-hood environment and ensure reliable electrical connection with the vehicle’s ECU. The connector uses automotive-grade terminals with gold plating, reducing contact resistance and ensuring stable signal transmission.

The thermostat’s valve assembly features a precision-machined stainless steel valve core and fluororubber valve seat, designed to provide a tight, reliable seal and precise flow control. The valve core is connected to the solenoid valve via a high-strength steel rod, which ensures smooth movement and accurate positioning. The valve opening degree is adjustable in multiple stages (0% to 100%), allowing for precise control of coolant flow based on the engine’s operating conditions. This multi-stage adjustment ensures the engine maintains its optimal temperature even under varying loads and ambient temperatures, improving fuel efficiency and reducing emissions.

Another critical design feature is the built-in temperature sensor, which is integrated into the thermostat housing to directly measure the temperature of the engine coolant leaving the cylinder head. This direct measurement ensures accurate temperature detection, eliminating the delay associated with remote sensors and allowing for faster response to temperature changes. The temperature sensor is encapsulated in a heat-resistant ceramic sleeve, protecting it from direct contact with coolant and ensuring long-term stability and accuracy.

The E4T15-1306110 electronic thermostat also features a fail-safe design, which ensures the engine remains protected even in the event of an electrical failure. If the electronic control module or solenoid valve fails, the thermostat automatically defaults to a fully open position, allowing maximum coolant flow to prevent engine overheating. This fail-safe mechanism is critical for protecting the engine from damage and ensuring the vehicle can continue to operate safely until repairs can be made.

The thermostat’s housing is designed with a one-piece integrated structure, which enhances its structural rigidity and reduces the risk of leakage. The housing features a precision-machined mounting flange, designed to match the exact dimensions of the Chery Tiggo 7’s engine block and radiator inlet, ensuring a perfect fit without the need for modifications. The flange is equipped with pre-drilled mounting holes, aligned with the engine’s mounting points to facilitate easy installation and ensure proper alignment.

Furthermore, the E4T15-1306110 electronic thermostat is designed with a maintenance-friendly structure, allowing for easy removal and replacement. The thermostat is secured to the engine block with a few mounting bolts, and the electrical connector can be easily disconnected without the need for special tools. This design reduces the time and cost of maintenance, making it convenient for both professional technicians and DIY enthusiasts.

E4T15-1306110