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Experience superior quality in Sinotruk howo parts with our premium QDT3502049-LB retracting spring. This precision-engineered chassis component is specifically designed for Sinotruk Howo trucks, providing reliable brake return functionality and enhanced safety for heavy-duty applications. The QDT3502049-LB represents advanced spring technology that combines robust construction with optimal tension characteristics, ensuring consistent performance under demanding conditions. This genuine retracting spring guarantees perfect compatibility and reliable operation throughout its service life.
Retracting Spring Front View
Retracting Spring Side Profile
Retracting Spring Installation
| Parameter | Specification |
|---|---|
| OEM Number | QDT3502049-LB |
| Product Name | Retracting Spring |
| Brand | Sinotruk Howo |
| Category | Chassis Components |
| Material | High-Carbon Spring Steel |
| Wire Diameter | 4.5 mm |
| Spring Diameter | 32 mm |
| Free Length | 85 mm |
| Spring Rate | 18 N/mm |
The QDT3502049-LB retracting spring delivers exceptional braking performance through its precisely engineered design and optimal material composition. The robust construction provides consistent return force characteristics that ensure reliable brake release throughout the component’s service life. The balanced design minimizes fatigue and ensures smooth operation, contributing to enhanced braking responsiveness and vehicle safety for Sinotruk Howo vehicles.
This retracting spring’s construction incorporates advanced manufacturing techniques that create uniform material strength and optimal elastic properties. This engineering approach prevents permanent set and fatigue that can compromise braking performance in demanding applications. The consistent operation ensures predictable brake return and maintains performance stability under various load conditions and operating environments, making the QDT3502049-LB a reliable choice for professional applications.
The QDT3502049-LB retracting spring is engineered to meet the highest safety standards for commercial vehicle applications. The robust construction withstands extreme mechanical forces encountered during heavy braking operations and challenging driving conditions. The consistent performance characteristics ensure predictable brake return action, contributing to overall vehicle safety and driver confidence in various operating scenarios.
The spring’s design includes safety margins that account for mechanical stress and fatigue during heavy operations. The material composition resists deformation and fatigue that could lead to braking system failure. These safety features, combined with the spring’s consistent performance, make the QDT3502049-LB an essential component for maintaining vehicle safety standards and protecting your investment in commercial transportation.
The QDT3502049-LB is manufactured from high-carbon spring steel specifically formulated for retracting spring applications. The material composition includes controlled carbon content and alloying elements that enhance strength, fatigue resistance, and elastic properties. The manufacturing process utilizes advanced heat treatment techniques to ensure uniform material properties and minimize internal stresses that could lead to premature failure.
The precision coiling creates exact dimensional accuracy and surface finish that optimizes spring performance and service life. The material’s microstructure is engineered to provide consistent elastic properties and resistance to fatigue. This attention to material science and manufacturing quality ensures the QDT3502049-LB delivers reliable performance and extended service life in demanding commercial vehicle applications.
The QDT3502049-LB retracting spring is specifically engineered for various Sinotruk Howo truck models with different braking configurations and operational requirements. The spring design accommodates various brake system interfaces while maintaining optimal performance characteristics. The standardized dimensions and mounting features ensure compatibility with original equipment braking components across the Howo model range.
This retracting spring is suitable for both standard and heavy-duty applications, providing reliable performance in various vehicle configurations. The design considers the specific braking requirements and load characteristics of different Howo models, ensuring consistent performance across the product line. Always verify specific application requirements to ensure optimal performance in your particular vehicle configuration with the QDT3502049-LB component.
Regular inspection and maintenance of the QDT3502049-LB retracting spring are essential for optimal braking performance and reliability. During routine maintenance, inspect the spring for signs of fatigue, corrosion, or deformation. Examine the spring ends and mounting points for wear or damage that could indicate problems with the braking system or require spring replacement.
Clean the spring surface during service to remove debris and contaminants that could affect performance. Check for proper tension and operation that could indicate fatigue or loss of elasticity. Following proper maintenance procedures and replacing worn components promptly ensures the continued reliability and efficiency of your vehicle’s braking system with the QDT3502049-LB installed.
The QDT3502049-LB demonstrates exceptional performance stability under the most demanding operating conditions encountered by Sinotruk Howo trucks. The high-strength construction maintains elastic properties despite exposure to extreme mechanical stress, temperature variations, and continuous use. The optimized design ensures consistent brake return action in various applications including heavy hauling, mountainous terrain, and frequent stop-start operations.
The spring’s mechanical properties effectively handle operational forces during braking cycles, preventing performance degradation and maintaining operational reliability. The fatigue-resistant design provides consistent operation characteristics throughout the spring’s service life, ensuring predictable brake return in all conditions. These performance features make the QDT3502049-LB suitable for the most challenging commercial vehicle applications.
Every QDT3502049-LB retracting spring undergoes comprehensive quality control procedures to ensure it meets Sinotruk’s rigorous standards. The testing process includes dimensional verification, material composition analysis, hardness testing, and fatigue cycle testing. Each spring is inspected for surface quality, dimensional accuracy, and structural integrity before packaging and distribution.
The manufacturing facility employs statistical process control and automated inspection systems to maintain consistent product quality. Samples from each production batch undergo extended cycle testing and performance validation to ensure reliability under simulated operating conditions. These comprehensive quality assurance measures guarantee that every QDT3502049-LB delivers reliable performance and meets OEM specifications for Sinotruk Howo vehicles.
For fleet operators, standardizing with genuine QDT3502049-LB retracting springs across your Sinotruk Howo vehicles provides significant operational advantages. The consistent quality and reliable performance ensure braking system integrity across all vehicles, reducing the risk of unexpected failures and associated downtime. The extended service life and predictable performance characteristics facilitate maintenance planning and inventory management.
The superior braking performance contributes to improved vehicle safety and reduced operational costs, enhancing overall fleet productivity. The proven performance in diverse operating conditions ensures consistent reliability across different applications and geographic regions. These benefits make the QDT3502049-LB a valuable component for fleet managers focused on optimizing vehicle performance, safety, and operating costs.
Proper maintenance includes recognizing when the QDT3502049-LB requires replacement. Common indicators include visible deformation, corrosion, loss of tension, or unusual brake pedal behavior. Regular inspection during brake service helps identify performance degradation and plan replacements proactively before safety is compromised.
The typical service life varies based on operating conditions, usage frequency, and environmental factors, but regular inspection ensures timely replacement before performance is compromised. Always verify proper installation procedures and use genuine replacement components to maintain optimal braking performance. Using genuine replacement springs like the QDT3502049-LB guarantees proper performance and maintains the reliability of your vehicle’s braking system.
The QDT3502049-LB retracting spring is supported by comprehensive warranty coverage that demonstrates confidence in its quality and performance. The warranty provisions cover material defects, manufacturing workmanship, and performance under specified operating conditions. The reliable performance is validated through extensive laboratory testing and field validation in various commercial vehicle applications worldwide.
The spring’s design and manufacturing processes ensure consistent performance and long-term reliability in demanding braking applications. The proven track record in Sinotruk Howo vehicles makes the QDT3502049-LB a trusted component for maintaining braking performance and reliability. This reliability assurance provides peace of mind for operators and maintenance professionals responsible for vehicle operations and safety compliance.
The QDT3502049-LB retracting spring finds applications across various industries utilizing Sinotruk Howo trucks. From construction and mining to logistics and public transportation, this component ensures reliable brake return operation in diverse operational environments. The robust design makes it suitable for both on-road and off-road applications where consistent braking performance is critical for operational safety.
In mining operations, the QDT3502049-LB withstands harsh conditions including dust, moisture, and extreme temperature variations. For logistics and transportation companies, the component provides consistent performance during frequent braking in urban delivery operations. The versatility and reliability of the QDT3502049-LB make it an essential component across multiple industry sectors relying on Sinotruk Howo vehicles.
The manufacturing of the QDT3502049-LB retracting spring incorporates environmentally responsible practices while maintaining the highest quality standards. The materials used are selected for their durability and recyclability, contributing to sustainable vehicle maintenance practices. The extended service life of the component reduces waste generation from frequent replacements.
The production processes focus on energy efficiency and waste reduction, aligning with modern environmental standards. By choosing genuine QDT3502049-LB components, vehicle operators support sustainable maintenance practices that minimize environmental impact while ensuring optimal vehicle performance and safety standards are maintained throughout the product lifecycle.
The QDT3502049-LB Retracting Spring represents the pinnacle of spring technology for Sinotruk Howo vehicles. Its precision engineering, robust construction, and advanced material features deliver critical performance and reliability for commercial truck operations. The genuine OEM quality ensures perfect compatibility and reliable performance that withstands the most demanding operating conditions in heavy-duty applications.
By selecting the authentic QDT3502049-LB retracting spring, you’re investing in proven performance backed by Sinotruk’s manufacturing expertise and comprehensive quality assurance. The combination of superior brake return action, extended service life, and reliable operation makes this component an essential choice for maintenance professionals and fleet managers dedicated to maintaining optimal vehicle performance, safety, and operational reliability in competitive transportation markets.
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