OEM Replacement Leaf Spring for Mercedes Benz Heavy Duty Trucks

OEM Replacement Leaf Spring Fit for Mercedes Benz Heavy Duty Trucks

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OEM Replacement Leaf Spring for Mercedes Benz Heavy Duty Trucks​

When it comes to maintaining the superior performance and safety standards of Mercedes Benz heavy-duty trucks, compromising on quality is not an option. Our OEM Replacement Leaf Spring​ is specifically engineered to meet the exacting specifications of Mercedes-Benz commercial vehicles. Whether you’re managing a large fleet or operating as an independent driver, this leaf spring offers a seamless, drop-in replacement that ensures your truck retains its factory-level handling, stability, and load-bearing capacity.

Technical Design & Engineering Advantages​

Precision-Engineered to Match OEM Blueprints

Each leaf spring is meticulously reverse-engineered to match Mercedes-Benz’s original blueprints, guaranteeing a perfect fit the first time—every time. From the precise curvature and leaf thickness to the exact placement of the center pin and eyelet holes, no detail is overlooked. This ensures a hassle-free installation process without the need for costly modifications or additional fabrication.

Premium-Grade Steel Construction

Constructed from high-strength alloy spring steel (  60Si2MnA , 55CrMnA), our leaf springs undergo a rigorous heat-treatment process to achieve an ideal balance of strength, elasticity, and fatigue resistance. This material selection ensures that the springs can withstand the harshest operating conditions, including heavy payloads, rough terrains, and extreme temperature variations, while minimizing the risk of premature wear or failure.

Enhanced Load Distribution & Vibration Damping

The multi-leaf design of our springs is strategically optimized to distribute heavy loads evenly across each individual leaf. This layered approach not only increases the overall carrying capacity but also provides superior vibration damping, resulting in a smoother ride for both the driver and the cargo. By effectively absorbing shocks and impacts from uneven road surfaces, the leaf spring helps protect other critical components of the suspension system, reducing long-term maintenance costs.

Rigorous Quality Control & Testing

Before leaving the factory, every leaf spring undergoes a series of stringent quality control checks, including dimensional inspections, load-testing, and fatigue simulations. These tests ensure that each spring meets or exceeds industry standards and OEM specifications, providing you with a product you can trust to deliver consistent performance mile after mile.

Comprehensive Compatibility

Our OEM Replacement Leaf Springs are available for a wide range of Mercedes-Benz heavy-duty truck models, including but not limited to the Actros, Arocs, Atego, and Unimog series. Detailed compatibility charts and expert support are available to help you identify the correct part number for your specific vehicle configuration, ensuring a precise match for your maintenance or repair needs.

Applications​

Ideal for use in long-haul transportation, construction, mining, agriculture, and other heavy-duty vocational applications where Mercedes-Benz trucks are the backbone of operations.

Benefits at a Glance​

  • Perfect OEM fitment with no modifications required
  • Superior load capacity and vibration damping
  • Constructed from premium, durable alloy steel
  • Rigorously tested to ensure peak performance
  • Extends the lifespan of your truck’s suspension system
  • Reduces downtime and maintenance costs

🏭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
Packaging size

170*60*60cm

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