D4G15B-1306110
Product Details
Comprehensive Professional Description: Chery Arrizo 5 Thermostat (Part No. D4G15B-1306110)
1. Basic Overview & Core Functional Positioning
The D4G15B-1306110 thermostat is an authentic Original Equipment Manufacturer (OEM) component exclusively engineered and produced by Chery Automobile Co., Ltd. for the Chery Arrizo 5, a compact sedan renowned for its fuel efficiency, comfortable driving experience, and reliable performance in urban and suburban commuting scenarios. As a critical control component in the vehicle’s engine cooling system, the D4G15B-1306110 thermostat plays an irreplaceable role in regulating engine operating temperature, ensuring optimal engine performance, fuel economy, and long-term durability. Unlike non-critical auxiliary parts, this thermostat operates in a high-temperature, high-pressure environment, enduring constant thermal cycles and mechanical stress, making its quality, precision, and reliability directly decisive for the Chery Arrizo 5’s engine lifespan, performance stability, and overall driving safety.
The Chery Arrizo 5, since its launch, has become one of Chery’s most popular models, favored by consumers for its balanced performance and cost-effectiveness. Equipped with the 1.5L naturally aspirated D4G15B engine—an engine known for its reliability and fuel efficiency—the Arrizo 5 relies heavily on the D4G15B-1306110 thermostat to maintain the engine’s optimal operating temperature range (typically 82°C to 90°C). Positioned between the engine cylinder head and the radiator, the thermostat acts as a temperature-sensitive valve, controlling the flow of coolant between the engine and the radiator. Its core function is to regulate the coolant circulation path: when the engine is cold (during startup), the thermostat remains closed, preventing coolant from flowing to the radiator and allowing the engine to warm up quickly; when the engine reaches its optimal operating temperature, the thermostat opens, directing coolant to the radiator to dissipate excess heat and maintain a stable temperature. This precise temperature regulation is critical for efficient combustion, as it ensures the engine operates within the ideal temperature range to maximize power output, reduce fuel consumption, and minimize emissions.
The part number D4G15B-1306110 is a unique identifier for this Chery Arrizo 5-specific thermostat, distinguishing it from thermostats used in other Chery models (such as the Tiggo series or QQ series) or non-Chery brand vehicles. As a genuine OEM component, the D4G15B-1306110 thermostat strictly complies with Chery’s original design standards, material specifications, and performance requirements, ensuring perfect compatibility with the Arrizo 5’s D4G15B engine cooling system, mounting points, and adjacent components (including the coolant hoses, radiator, and water pump). Unlike inferior aftermarket thermostats that often cut corners in material quality and precision manufacturing, the genuine D4G15B-1306110 thermostat undergoes rigorous testing and validation to meet international automotive industry standards (ISO 9001 and IATF 16949), making it the preferred choice for Chery Arrizo 5 owners and professional automotive repair technicians who prioritize long-term reliability, perfect fitment, and engine safety.
In addition to its core temperature regulation function, the D4G15B-1306110 thermostat also plays a crucial role in protecting the engine from overheating and cold-start damage. A faulty or ill-fitting thermostat can lead to two critical issues: if it remains closed, the engine will overheat, causing damage to gaskets, seals, and even the cylinder head; if it remains open, the engine will take too long to warm up, increasing fuel consumption, reducing power output, and accelerating wear on engine components. Therefore, the genuine D4G15B-1306110 thermostat is an essential replacement part for maintaining the Chery Arrizo 5’s engine performance, reliability, and safety.
2. Premium Material Selection & Precision Manufacturing Process
The Chery D4G15B-1306110 thermostat is crafted from high-performance, automotive-grade materials, carefully selected by Chery’s engineering team to balance heat resistance, corrosion resistance, durability, and temperature sensitivity—key performance indicators for automotive cooling system thermostats. Drawing on years of experience in automotive thermal management component manufacturing and advanced material science, Chery prioritizes materials that can withstand the long-term effects of high temperatures (up to 120°C), high pressure (up to 1.2 bar), and constant exposure to coolant, ensuring the thermostat maintains stable performance over a service life of typically 80,000–120,000 kilometers under normal operating conditions.
The main body of the D4G15B-1306110 thermostat is made of high-quality nodular cast iron (QT450-10), a material widely recognized in the automotive industry for its excellent heat resistance, corrosion resistance, and mechanical strength. Nodular cast iron is chosen for its ability to withstand extreme thermal cycles without deformation or cracking, ensuring the thermostat’s structural integrity even under prolonged exposure to high temperatures. The thermostat’s valve plate, which controls the flow of coolant, is made of high-grade stainless steel (304), a material known for its superior corrosion resistance and wear resistance, preventing rust and degradation caused by long-term contact with coolant.
At the core of the D4G15B-1306110 thermostat is a temperature-sensitive wax element, which is responsible for triggering the valve’s opening and closing. The wax element is filled with a high-purity paraffin wax blend that has a precise melting point (82°C), ensuring the thermostat opens at the exact temperature required to maintain the engine’s optimal operating range. The wax element is encased in a copper sleeve, which enhances heat transfer efficiency, allowing the wax to respond quickly to changes in coolant temperature. Additionally, the thermostat is equipped with a high-temperature-resistant EPDM (Ethylene Propylene Diene Monomer) seal, which ensures a tight, leak-proof fit between the thermostat and the engine cylinder head, preventing coolant leakage and maintaining system pressure.
The manufacturing process of the D4G15B-1306110 thermostat follows a strict, ISO 9001 and IATF 16949 certified production workflow, consistent with Chery’s global quality standards and modern automotive thermal management component manufacturing practices. The production process begins with the precision casting of the nodular cast iron main body, which ensures uniform material distribution and eliminates internal defects such as pores and cracks. The cast body undergoes a strict heat treatment process (annealing) to reduce internal stress and enhance its mechanical strength and heat resistance.
Next, the valve plate is precision-machined using advanced CNC turning technology, ensuring its surface is smooth and flat to ensure a tight seal when closed. The temperature-sensitive wax element is carefully assembled into the thermostat body, with strict quality control to ensure the wax fill is accurate and the element is properly sealed. The EPDM seal is then installed, and the entire assembly undergoes a series of precision machining and polishing processes to ensure all dimensions meet the specified tolerances (±0.02 mm).
The final step in the manufacturing process involves rigorous quality control testing to ensure the D4G15B-1306110 thermostat meets Chery’s strict performance standards. These tests include temperature response testing, pressure resistance testing, leak testing, and durability testing. Temperature response testing verifies that the thermostat opens and closes at the exact specified temperatures (opening at 82°C ±2°C, fully open at 95°C). Pressure resistance testing ensures the thermostat can withstand system pressures up to 1.2 bar without leakage or deformation. Leak testing checks for coolant leakage at all connection points, ensuring a tight seal. Durability testing simulates thousands of thermal cycles to ensure the thermostat maintains its performance over its service life. Only thermostats that pass all these tests are allowed to leave the factory, ensuring the D4G15B-1306110 series delivers reliable performance and long service life in the Chery Arrizo 5.
3. Structural Composition & Key Design Features
The Chery D4G15B-1306110 thermostat features a precision-engineered structural design, tailored to the specific requirements of the Chery Arrizo 5’s D4G15B engine cooling system and operating environment. Its structural composition is optimized to maximize temperature control accuracy, ensure leak-proof performance, facilitate easy installation and maintenance, and enhance durability, with key design features that address the unique challenges of automotive cooling system thermostat operation. Unlike generic aftermarket thermostats, which often have a simplistic design with poor fitment and inadequate performance, the D4G15B-1306110 thermostat incorporates multiple specialized features to ensure consistent performance, reliability, and durability.
One of the key design features of the D4G15B-1306110 thermostat is its precision temperature-sensitive wax element design. The wax element is calibrated to open at 82°C, which is the optimal temperature for the Arrizo 5’s D4G15B engine to achieve efficient combustion and minimize wear. The element’s copper sleeve ensures rapid heat transfer, allowing the wax to melt quickly when the engine reaches operating temperature, triggering the valve to open smoothly. The wax element is also designed with a spring-loaded mechanism, which ensures the valve closes tightly when the engine is cold, preventing coolant from flowing to the radiator and allowing for rapid warm-up. This spring-loaded design also ensures the valve opens and closes smoothly, reducing wear and extending the thermostat’s service life.
The D4G15B-1306110 thermostat is designed with a one-piece main body structure, which enhances its structural rigidity and reduces the risk of leakage. The main body is precision-cast to match the exact mounting dimensions of the Arrizo 5’s engine cylinder head, ensuring a perfect fit without the need for modifications. The thermostat’s valve plate is designed with a beveled edge, which ensures a tight seal when closed, preventing coolant leakage and maintaining system pressure. Additionally, the valve plate is attached to the wax element via a sturdy connecting rod, which ensures reliable operation even under high pressure and thermal stress.
Another critical design feature of the D4G15B-1306110 thermostat is its high-temperature-resistant EPDM seal. The seal is integrated into the thermostat’s flange, creating a leak-proof barrier between the thermostat and the engine cylinder head. EPDM is chosen for its excellent heat resistance (up to 150°C) and chemical resistance, ensuring it remains flexible and effective even after prolonged exposure to high temperatures and coolant. The seal is also designed with a ribbed surface, which enhances its sealing performance and prevents slippage during installation.
The D4G15B-1306110 thermostat also features clear mounting marks and a standardized bolt pattern, which facilitate easy installation and alignment. The mounting marks ensure that the thermostat is installed in the correct orientation, ensuring proper coolant flow and temperature control. The standardized bolt pattern matches the Arrizo 5’s engine cylinder head, allowing for easy installation using standard tools. Additionally, the thermostat is designed with a compact profile, ensuring it fits seamlessly into the engine bay without interfering with other components.
Furthermore, the D4G15B-1306110 thermostat is designed with a pressure relief valve, which provides an additional layer of protection for the engine cooling system. The pressure relief valve opens when the system pressure exceeds 1.2 bar, releasing excess pressure and preventing damage to the radiator, coolant hoses, and other components. This design ensures the cooling system remains within safe pressure limits, even under extreme operating conditions such as high ambient temperatures or heavy loads.
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