OEM Replacement Leaf Spring for Mercedes Benz Heavy Duty Trucks

OEM Replacement Leaf Spring for Mercedes Benz Heavy Duty Trucks

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OEM Replacement Leaf Spring for Mercedes Benz Heavy Duty Trucks​

Specifically developed for the demanding commercial vehicle sector, our OEM Replacement Leaf Spring is the premium solution for maintaining the legendary durability and ride quality of Mercedes Benz Heavy Duty Trucks. As a direct replacement for original equipment, this leaf spring is meticulously engineered to match the exacting specifications set by Mercedes Benz, ensuring seamless integration and restored factory-level performance. Whether for fleet maintenance or individual repairs, this component is the key to keeping your heavy-duty trucks operating at peak efficiency.

Technical Design & Engineering Advantages​

Exact OEM Specification Compliance

Manufactured to precise dimensional tolerances and material properties that mirror Mercedes Benz’s original design parameters. This ensures a perfect, bolt-on fitment without the need for modifications, maintaining the integrity of the truck’s suspension geometry and handling characteristics.

Superior Load-Bearing Capacity

Designed to withstand the intense vertical loads and harsh operating conditions typical of heavy-duty trucking, the spring features multi-stage leaf geometry. This design provides exceptional stiffness and load distribution, preventing premature sagging and ensuring consistent ground clearance under full payload.

Enhanced Fatigue Resistance

Crafted from high-grade alloy steel and subjected to advanced heat treatment processes, the leaf spring exhibits outstanding resistance to metal fatigue. This extends its service life significantly, reducing the total cost of ownership by minimizing the frequency of replacements and unplanned downtime.

Optimized Vibration Damping

The precisely profiled leaves and integrated damping characteristics work in harmony to absorb road shocks and vibrations effectively. This not only protects the truck’s chassis and cargo but also contributes to a smoother ride for the driver, reducing fatigue during long hauls.

Corrosion and Wear Protection

The spring undergoes a specialized shot peening process to relieve internal stresses, followed by a durable epoxy powder coating. This dual-layer protection safeguards against corrosion induced by road salts and moisture, as well as abrasive wear, preserving both the structural integrity and aesthetic appearance throughout its service life.

🏭About Zhengzhou Haishuo Automotive Parts Co., Ltd.

We are a professional manufacturer and exporter of heavy-duty truck suspension components, established in 2016 and located in Zhengzhou, Henan Province, China. Specializing in leaf springs, chassis parts, and suspension accessories, we have grown into one of the leading suppliers in China’s automotive leaf spring aftermarket.

Production Capacity: Over 4,000 tons of leaf springs in stock, enabling rapid order fulfillment

Global Reach: Exported to over 100 countries and regions, including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and Western Europe

OEM/ODM Services: Custom manufacturing available for private label, OEM, and aftermarket projects

Quality Assurance: Backed by SGS audit certification, with dedicated QA/QC inspectors ensuring every product meets international standards

Comprehensive Product Line: Our catalog includes heavy-duty, conventional, parabolic, and trailer leaf springs, plus complete accessories like U-bolts, bushings, clips, and shackles

Leaf Spring Technical Parameters

Item Specification
Material 50CrVA / 51CrV4 / 55CrMnA / 60Si2Mn
Width 60mm – 120mm
Thickness 6mm – 30mm
Load Capacity 500kg – 20,000kg
Surface Treatment Painting / E-coating

📦Packaging, Shipping & Terms

Packaging: Standard export wooden crates or cartons with protective wrapping to prevent damage during transit

Shipping Ports: Qingdao Port, Tianjin Port and LianYun Port

Lead Time: 30 days (peak season) / 30 days (off season)

Accepted Incoterms: FOB, EXW, DDP, CIF, CFR

Payment Terms: L/C, T/T, D/P, PayPal, Western Union, small-amount payment options available

After-Sales Support: Professional sales and technical team providing order follow-up, product consultation, and after-sales service

Why Choose Our Leaf Springs

  • Manufactured using high-strength alloy steel (SUP9 / 60Si2Mn)
  • Heat-treated for improved hardness and fatigue resistance
  • Shot peening surface treatment for longer service life
  • Strict load and fatigue testing before shipment
  • OEM interchangeable fitment with Dongfeng systems
  • Stable performance under heavy-duty working conditions

FAQ

Q1: Is this part OEM or aftermarket?
A: It is an OEM-compatible replacement designed for Dongfeng truck suspension systems.

Q2: What material is used in this leaf spring?
A: High-strength alloy steel such as SUP9 or 60Si2Mn.

Q3: Can you produce customized leaf springs?
A: Yes, OEM and customized production is available.

Q4: What is your delivery time?
A: Typically 20–30 days depending on order quantity.

Q5: What vehicles is it compatible with?
A: It is suitable for various Dongfeng heavy-duty truck platforms.

Common Problems of Worn Leaf Springs

Vehicle tilting or sagging on one side
Reduced load-carrying capacity
Excessive vibration during driving
Visible cracks or deformation on spring leaves

When to Replace Leaf Springs

Leaf springs should be replaced when fatigue cracks, deformation, or reduced elasticity are observed. Delayed replacement may affect vehicle safety and suspension performance.

Important Notes

This product is an aftermarket replacement part, not an original OEM part. It is designed to fit the specified applications as a direct replacement component.

We recommend professional installation by a qualified technician to ensure proper fit, alignment, and safety.

contact us with your vehicle details or custom requirements, and our team will assist you in finding the right leaf spring solution.

Material

50CrVA, 51CrV4, 55CrMnA,60Si2Mn
Certificate

TS16949,ISO,CE
Craftsmanship

Multiple Isothermal Quenching and Tempering Proces
Specification

Customizable according to drawings
Packing

Export Standard Packing by Pallet
Weight

1500kg
Packaging size

170*60*60cm

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