- ADDRESS：Wanda Plaza, Jinan, Shandong, China
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
The efficiency and reliability of a heavy-duty truck’s cooling system are paramount to its overall health and performance. For fleet managers and technicians dedicated to peak operational uptime, sourcing genuine Dongfeng truck parts is a foundational practice. Within this system, the Radiator Gasket, precisely identified by the OEM part number 1302020-H0100, plays an indispensable yet often overlooked role. This genuine DONGFENG component is engineered to create a perfect, leak-free seal between the radiator core and its end tanks or mounting flanges. In an environment of constant thermal cycling, pressure fluctuations, and coolant exposure, the integrity of the 1302020-H0100 gasket is non-negotiable. A failure here can lead to rapid coolant loss, immediate engine overheating, and catastrophic damage.
Radiator Gasket
Прокладка радиатора
Junta del Radiador
The DONGFENG Radiator Gasket, part number 1302020-H0100, is a precision-engineered sealing component. Its primary function is to form a durable, impermeable barrier between mating surfaces in the radiator assembly. This seal contains the pressurized coolant mixture within the designated channels, preventing both internal and external leaks. The gasket must withstand the constant stress of thermal expansion and contraction as the engine cycles between cold starts and operating temperature.
A failure of the 1302020-H0100 gasket can lead to immediate and severe consequences. Even a minor leak can result in a gradual loss of coolant, reducing the system’s capacity to absorb and dissipate heat. This often leads to chronic engine overheating, which degrades oil viscosity, accelerates wear on internal components like piston rings and cylinder liners, and can cause pre-ignition. A catastrophic failure of the seal will cause rapid coolant loss, leading to immediate overheating and potentially causing engine seizure, warped cylinder heads, or a blown head gasket. Therefore, the 1302020-H0100 is a small but vital component for maintaining the entire thermal management system’s integrity.
The genuine 1302020-H0100 gasket is manufactured from high-performance materials specifically formulated for the harsh under-hood environment. It typically utilizes a composite base material, such as aramid fiber or rubber-coated steel, which offers an optimal balance of flexibility and strength. This composite is impregnated with anti-aging compounds to resist the degrading effects of ethylene glycol or propylene glycol-based coolants.
The surface of the gasket is designed with precise thickness and compressibility. This ensures it conforms perfectly to the microscopic imperfections on the radiator and tank flange surfaces, filling all voids to create a leak-tight seal. The design of the 1302020-H0100 also includes accurate alignment features and bolt hole placements, guaranteeing a perfect fit during installation. This attention to material science and dimensional accuracy is what separates a genuine DONGFENG gasket from inferior alternatives.
The table below details the complete technical specifications for the genuine DONGFENG Radiator Gasket, part number 1302020-H0100.
| Parameter | Specification / Value |
|---|---|
| OEM Part Number | 1302020-H0100 |
| Product Name | Radiator Gasket / Seal |
| Brand | DONGFENG |
| Primary Material | High-Temperature Composite (Fiber/Rubber) |
| Temperature Resistance Range | -40°C to +150°C (Continuous) |
| Pressure Resistance | Compatible with standard cooling system pressure (1.0-1.5 bar) |
| Coolant Compatibility | Resistant to OAT, HOAT, and traditional glycol-based coolants |
| Application | Specific DONGFENG Truck Radiator Models |
| Seal Type | Form-in-Place / Pre-molded Gasket |
These detailed specifications for the 1302020-H0100 underscore its design as a critical sealing solution. The temperature and pressure ratings are particularly vital, ensuring reliability across all operating conditions your DONGFENG truck will encounter.
Superior Leak Prevention & Cooling System Integrity: The primary benefit of the genuine 1302020-H0100 is its guaranteed leak-free performance. Its material composition and precise dimensions ensure a perfect seal from the moment of installation, preventing the loss of expensive coolant and maintaining the correct system pressure for optimal heat transfer efficiency.
Exceptional Durability Under Thermal Stress: Engineered to handle extreme thermal cycling, this gasket retains its elasticity and sealing force. It does not become brittle in cold climates or overly soft and extrudable under high heat, providing consistent performance throughout the service life of the radiator.
Chemical Resistance for Longevity: Modern coolants contain various additives that can degrade inferior materials. The 1302020-H0100 is formulated to resist chemical breakdown, preventing the gasket from swelling, cracking, or dissolving, which ensures a long service life without premature failure.
Precision Fit for Easy Installation: As an exact OEM replacement, the 1302020-H0100 fits perfectly onto the designated mounting surfaces without modification. This saves valuable workshop time, eliminates guesswork, and prevents installation errors that can occur with universal or poorly copied parts.
The 1302020-H0100 Radiator Gasket is designed for specific DONGFENG medium and heavy-duty truck models. Its compatibility is determined by the exact design of the radiator assembly, including the core dimensions, end tank configuration, and bolt pattern. It is a direct, precision replacement for the original factory-installed seal.
While the gasket itself does not have a scheduled mileage-based replacement interval, it is a mandatory replacement part any time the radiator is serviced, repaired, or removed. Proactive replacement of the 1302020-H0100 is also strongly recommended during major cooling system overhauls or if any sign of seepage is detected around the radiator tank joints. Never reuse an old radiator gasket, as its sealing properties are permanently compromised after the initial installation and thermal cycling.
Correct installation of the 1302020-H0100 gasket is absolutely critical for a successful, leak-free seal. Begin by ensuring the engine is cool and the cooling system is depressurized. Drain the coolant from the radiator into a clean container. Carefully disconnect any hoses and mounting brackets, then remove the radiator from the vehicle according to the service manual.
Thoroughly clean both mating surfaces on the radiator core and the end tank or mounting flange. All old gasket material, corrosion, and debris must be removed using a plastic scraper and an appropriate cleaner. The surfaces must be dry, smooth, and flat. Position the new genuine 1302020-H0100 gasket carefully onto the designated surface. Do not use any additional sealant unless explicitly specified by the manufacturer, as this can compromise the gasket’s designed compression and sealing ability. Reassemble the components, following the specified torque sequence and values for the bolts to ensure even compression of the gasket across its entire surface.
Every batch of 1302020-H0100 gaskets is subjected to DONGFENG’s stringent quality control protocols. Material samples undergo extensive laboratory testing for tensile strength, elongation, compression set, and fluid immersion resistance. The gasket’s dimensional accuracy is verified using coordinate measuring machines (CMM) to ensure it matches the original engineering specifications perfectly.
Performance validation includes simulated aging tests where the gasket is subjected to thousands of thermal cycles in a controlled environment while being exposed to pressurized coolant. This rigorous testing guarantees that the 1302020-H0100 will perform reliably in real-world conditions, providing peace of mind and preventing costly comebacks for repair shops.
A deteriorating or failed 1302020-H0100 gasket will present clear warning signs. The most obvious symptom is visible coolant leakage or seepage at the joint between the radiator core and its plastic or metal end tanks. You may notice green, red, or yellow fluid pooling underneath the front of the truck or see damp streaks on the radiator itself.
A drop in the coolant reservoir level without an obvious external leak from hoses could indicate an internal leak at the gasket. As coolant is lost, the engine temperature gauge will begin to read higher than normal, potentially triggering the overheating warning light. In severe cases, steam may emanate from the front grille. Ignoring these symptoms and continuing to operate the vehicle will inevitably lead to engine overheating and severe mechanical damage, turning a simple gasket replacement into a major engine repair.
The longevity of the 1302020-H0100 radiator gasket is influenced by the overall health of the cooling system. Using the correct type of coolant as specified by DONGFENG is crucial. The wrong coolant chemistry can accelerate the degradation of the gasket material, leading to premature failure. Regular coolant changes according to the maintenance schedule prevent the buildup of acidic byproducts and abrasive particles that can harm sealing surfaces.
Maintaining the correct coolant mixture (typically 50/50 coolant and distilled water) ensures proper freeze protection and boiling point elevation. Over-concentrated coolant can be more chemically aggressive, while under-concentrated coolant provides inadequate protection. A well-maintained system with a properly functioning pressure cap and no chronic overheating issues will create the ideal environment for the 1302020-H0100 gasket to achieve its maximum service life.
Opting for the genuine 1302020-H0100 over an aftermarket seal is a decision for guaranteed reliability. The OEM gasket is manufactured to the exact material specification, thickness, and dimensional tolerance required for your specific radiator model. Its chemical composition is validated for long-term compatibility with DONGFENG-approved coolants.
Aftermarket gaskets often use cheaper, inconsistent materials that may harden, crack, or extrude under pressure. Their dimensions may be slightly off, leading to misalignment during installation or an incomplete seal. The cost of a coolant leak and subsequent engine overheating far outweighs the minimal savings from a non-genuine part. The authentic 1302020-H0100 ensures a perfect fit and predictable performance, protecting your engine from a very preventable failure mode.
The 1302020-H0100 radiator gasket is one component within a complex, interdependent system. For optimal cooling performance and longevity, a holistic maintenance approach is essential. This includes regular inspection and replacement of radiator hoses and clamps, checking the radiator fins for debris blockage, ensuring the cooling fan and clutch operate correctly, and testing the thermostat and pressure cap.
When performing any cooling system service, using a complete kit of genuine DONGFENG components, including the 1302020-H0100 gasket, is the best practice. This ensures all parts work in harmony, designed to the same high standards. This systemic approach maximizes uptime, prevents cascading failures, and delivers the lowest total cost of ownership for your commercial truck fleet.
The DONGFENG Radiator Gasket, part number 1302020-H0100, exemplifies how a small, inexpensive part can be responsible for protecting a very large and expensive asset. Its role in maintaining a sealed, pressurized cooling system is fundamental to engine health. Compromising on this seal invites the risk of coolant loss, overheating, and potential engine seizure.
For every technician and fleet manager committed to reliability and preventative maintenance, specifying the genuine 1302020-H0100 gasket is a non-negotiable standard. It represents a minimal investment that provides maximum security for your truck’s engine, ensuring continuous operation, preventing unnecessary downtime, and safeguarding the productivity of your business. Always insist on the exact OEM part number for your critical sealing applications.
If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.
We are a first-class heavy duty vehicles and spare parts supplier in China. which covers from engine, gearbox, cab, axle assemblies to main assembly accessories, electrical parts and other chassis parts like brake, clutch and steering parts.
A PROFESSIONAL CHINA TRUCK AND SPARE PARTS SUPPLIER
@Copyright DERUNA
