Product Description:

Auto Water tank​
OE number: 25310-AA000
Applicable vehicle type: For Hyundai

The radiator is the heart of the engine's water cooling system, responsible for quickly dissipating excess heat from the engine into the air to prevent overheating.

The primary function: by circulating coolant, it removes heat from the engine, conducts thermal exchange between the radiator fins and air, reduces the coolant temperature by 20–40 ℃, and then returns it to the engine.

The circulation path: engine water jacket → upper radiator tank → radiator core → lower radiator tank → water pump → back to the engine, forming a closed loop.

Thermal expansion and contraction regulation: the auxiliary water tank (expansion tank) is connected to the main water tank via a bidirectional valve, absorbing expanded coolant at high temperatures and replenishing it at low temperatures to maintain a constant liquid level.

Maintenance and replacement guide

Check cycle: Inspect the coolant level in the expansion tank every 10,000 km or at the start of each season to ensure it is between MIN and MAX.

Coolant selection: Use the same brand and model of antifreeze, do not add tap water to avoid scale formation and corrosion.

External cleaning: When using a high-pressure water gun to clean the radiator, keep a distance of more than 30 cm to prevent fins from collapsing.

Replacement signs:

• The water temperature gauge frequently approaches the red line;

• Continuous bubbling in the expansion tank (indicating head gasket failure);

• Large-scale oxidation and leakage of the radiator fins.

Replacement steps:

① In a cold state, remove the radiator cap to relieve pressure;

② Drain old coolant → Remove hoses → Detach mounting brackets → Remove old radiator;

③ After installing the new radiator, pre-install hoses to check gaps, then add new coolant;

④ Start the engine to expel air, confirm that both high and low-speed fans are functioning properly, and run for 15 minutes without leakage.

Multiply Brands Auto Parts We Offer:

Why choice us:

1. Industry Experience: 20 years of experience in the auto parts industry, with in-depth market and product knowledge.

2. Professional Team: A team of experienced experts who can professionally answer all customer inquiries about auto parts.

3. Direct Partnerships: Direct partnerships with multiple auto repair shops, offering first-hand industry feedback and technical support.

4. High-Quality Products: Providing high-quality auto parts to ensure reliability and durability.

5. Comprehensive Inventory: A wide range of product lines and ample inventory to meet diverse customer needs.

6. Quick Response: Offering rapid response services to quickly address customer questions and needs.

7. Customized Services: Providing customized part solutions to meet specific vehicle or customer requirements.

8. Technical Support: Offering professional technical support and installation guidance.

9. After-Sales Service: A strong after-sales service network to ensure customers receive necessary support after product use,If you have any questions after receiving the goods, please contact us in time and we will provide the best solution.

10. Price Advantage:Competitive pricing due to long-standing supply chain relationships.

11. Quality Assurance:All products go through strict quality control processes to meet industry standards.

12. Fast Shipping: Over 500000+ in stock, we can ship them in a short time.

Company Profile:

Beijing Huarui Jietong Trading Co., Ltd. has been engaged in the automotive aftermarket for 20 years and is a professional supplier of auto parts. Located in the capital of China, Beijing, we have factories in Beijing, Guangzhou, and Jiangsu, which enable us to meet our customers' demands for quality and quantity in a timely and efficient manner.



The company primarily focuses on accessories for Land Rover, Jaguar, and Volvo product series, including Air Conditioning Systems, Braking Systems, Driving Systems, Engine Systems, Cooling Systems, Auto Body Systems, Steering Systems, Suspension Systems, Transmission Systems, and other related parts. Facing the trend of economic globalization, our company is committed to bringing better products and services to the world, providing high-quality products and services for domestic and foreign enterprises and customers.

We welcome any inquiries and look forward to your contact.







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