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For fleet managers and truck owners committed to maintaining peak vehicle performance, sourcing authentic Foton truck parts is paramount. The H429500000440 Air Spring (With Cup) Left Rear is a premium, ready-to-install assembly designed to restore and enhance the suspension system of your Foton commercial vehicle. This OEM component, identified by the exact part number H429500000440, combines a durable air spring with its integrated mounting cup, ensuring a perfect fit and immediate functionality.
Air Spring (With Cup) Left Rear
Пневмопружина (с чашкой) левая задняя
Muelle de Aire (con Copa) Izquierdo Trasero
The H429500000440 represents a complete suspension solution for the left rear axle of compatible Foton trucks. Unlike a bare air spring, this assembly includes the integrated protective cup or piston, which serves as the structural base and mounting interface. This design is crucial for ensuring proper alignment, distributing stress evenly, and protecting the air bellows from debris and damage. The primary role of the H429500000440 is to provide a variable-rate spring force, using compressed air to cushion the vehicle against road impacts, maintain consistent ride height under varying loads, and significantly improve overall stability and handling.
The H429500000440 comes as a unified unit, integrating the air spring and its mounting cup. This eliminates the need to source separate components, reduces installation time, and guarantees perfect compatibility and performance from the first mile.
Engineered with high-strength materials, this assembly is built to handle the substantial stresses of commercial hauling. The integrated cup provides a solid foundation, allowing the H429500000440 to support heavy and dynamic loads without deformation or failure.
The assembly features precision-engineered sealing points between the spring and cup, minimizing the risk of air leaks. The materials are resistant to ozone, weathering, and abrasion, ensuring the H429500000440 provides long-lasting service in tough operating environments.
By providing consistent and responsive damping, the H429500000440 improves road holding, reduces body roll during cornering, and minimizes brake dive. This translates to greater driver control, increased safety, and reduced wear on other chassis components.
The H429500000440 assembly is a masterpiece of functional design. The air spring itself is typically a multi-convoluted bellows made from layers of specialized rubber reinforced with high-tensile textile cords, providing exceptional flexibility and strength. The integrated cup, usually constructed from high-grade, corrosion-resistant polymer or coated metal, is molded to perfectly contour the base of the spring. This cup acts as a piston within the suspension system, guiding the spring’s movement and providing a large, stable mounting surface.
| Parameter | Specification | Notes / Benefit |
|---|---|---|
| OEM Part Number | H429500000440 | Genuine part identification |
| Brand | FOTON | Original Equipment Manufacturer |
| Product Description | Air Spring (With Cup) Left Rear | Complete assembly for left rear |
| Assembly Type | Spring with Integrated Mounting Cup | Simplified installation |
| Spring Material | Reinforced Rubber & Fabric Ply | For durability and flexibility |
| Cup Material | High-Strength Polymer / Coated Steel | Corrosion-resistant, robust base |
| Operating Pressure | Up to 150 PSI (10.3 bar) | Suitable for heavy-duty loads |
| Primary Application | Foton Truck Left Rear Suspension | Specific axle and side position |
Replacing the H429500000440 assembly is a straightforward process for a qualified technician, thanks to its integrated design. The vehicle must be properly supported on jack stands with the suspension depressurized. After removing the wheel and any protective covers, the old air spring assembly is disconnected from the upper mount and lower control arm or axle. The new H429500000440 unit is then positioned, ensuring the cup seats correctly in its lower mount.
The H429500000440 assembly is specified for a range of Foton commercial vehicles, particularly medium and heavy-duty trucks in the Auman and other series that utilize rear air suspension systems. Its application is critical in vocations where load weight varies significantly, such as dump truck operations, freight logistics, refrigerated transport, and utility services. The precise engineering of the H429500000440 ensures it meets the original vehicle’s requirements for payload capacity, ride height control, and stability management systems. Using this genuine assembly guarantees that advanced vehicle features like electronic brake distribution (EBD) and stability control continue to function with the correct parameters, maintaining overall safety and compliance.
The integrated design of the H429500000440 offers distinct performance advantages. By ensuring a perfect seal and alignment between the spring and cup, it eliminates a common failure point found in component-mismatched repairs. This leads to more consistent air pressure retention and reliable ride height maintenance. In real-world operations, trucks equipped with the genuine H429500000440 report fewer incidents of suspension sag, improved handling when partially loaded, and a noticeable reduction in harshness transmitted through the chassis. For fleet managers, this reliability translates directly into predictable maintenance schedules, reduced unscheduled downtime, and lower lifetime repair costs for the suspension system.
Choosing the authentic H429500000440 assembly over aftermarket kits or separate components is a decision that impacts long-term value and safety. Genuine FOTON assemblies are validated as a complete system, with every material and tolerance tested to work in harmony. Aftermarket solutions may pair a generic spring with an ill-fitting cup, leading to premature wear, air leaks, and potential suspension misalignment. The H429500000440 also ensures that any existing vehicle warranty related to the suspension is not compromised. When the integrity of your commercial vehicle’s load-bearing system is critical, the guaranteed compatibility and performance of the OEM H429500000440 assembly provide unmatched peace of mind and operational security.
To ensure the H429500000440 assembly delivers its full potential service life, adhere to a proactive maintenance routine. Conduct regular visual inspections of the rubber bellows for cuts, cracks, or signs of oil degradation. Check the condition of the integrated cup for any cracks or deformation. It is vital to keep the vehicle’s air supply clean and dry; a functioning air dryer is essential to prevent moisture from corroding internal components and freezing in cold climates. Additionally, avoid over-inflating the system beyond recommended pressures, as this can place undue stress on the seams and materials. Proper care of the H429500000440 and the entire air suspension system will yield reliable performance for hundreds of thousands of kilometers.
The H429500000440 Air Spring (With Cup) Left Rear assembly is the definitive, no-compromise solution for restoring the suspension integrity of your Foton truck. It combines OEM-grade quality, a convenient complete-unit design, and proven durability to meet the rigorous demands of commercial transportation. By selecting the genuine part identified as H429500000440, you invest not just in a component, but in the sustained performance, safety, and profitability of your vehicle. This assembly ensures your truck maintains its designed ride quality, handling, and load management capabilities, safeguarding your drivers, cargo, and business operations. For any left rear air suspension requirement, specifying the H429500000440 is the most reliable and efficient choice available.
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