Product Overview
The 2913010-K50L0 rear leaf spring assembly is designed for Dongfeng heavy-duty truck suspension systems. It is an essential component that supports vehicle load, absorbs road shocks, and maintains axle stability during heavy transportation conditions.
This leaf spring is widely used as a replacement part for OEM 2913010 series including K50L0, K20A0, K44H0, and K3600 variants. It is compatible with multiple Dongfeng commercial truck platforms used in logistics, construction, and freight transportation.
As a professional truck suspension manufacturer in China, we provide high-strength multi-leaf spring assemblies with strict quality control, ensuring stable performance, long service life, and OEM-level compatibility.
| Item | Specification |
|---|---|
| OEM Number | 2913010-K50L0 |
| Vehicle Brand | Dongfeng |
| Product Type | Rear Leaf Spring Assembly |
| Material | SUP9 / 60Si2Mn |
| Process | Heat Treatment / Shot Peening |
| Function | Load-bearing suspension component |
| Application | Heavy-duty truck chassis |
Product Details
The leaf spring plays a critical role in the suspension system of heavy-duty trucks. It functions as both a load-bearing component and a shock absorber, ensuring vehicle stability under heavy cargo conditions.
In Dongfeng trucks, the 2913010-K50L0 leaf spring is installed at the rear axle system to support vertical load distribution and improve driving comfort on uneven roads.
Compared with standard suspension components, this leaf spring is manufactured using high-strength alloy steel such as SUP9 or 60Si2Mn, which significantly improves fatigue resistance and load capacity. The surface is treated with shot peening technology to extend service life and reduce crack formation under long-term stress.
This product is widely used in logistics transportation, mining trucks, construction vehicles, and long-distance freight operations where durability and stability are required.
Core Specifications & Technical Details
✅ Durable Construction for Heavy-Duty Use
Made from high-grade spring steel with strict heat treatment processes, this leaf spring offers excellent tensile strength, impact resistance, and fatigue life, even under continuous heavy loads and harsh operating conditions.
✅ Corrosion & Rust Protection
Advanced electrophoretic coating provides superior resistance to moisture, road salt, and chemicals, preventing rust and extending the service life of the spring assembly.
✅ Precision Engineering for Perfect Fit
Manufactured to exact OEM dimensions, the spring ensures proper alignment, easy installation, and compatibility with all associated suspension components (U-bolts, bushings, shackles, hangers).
✅ Enhanced Ride Quality & Stability
The multi-leaf design balances load support with controlled flexibility, reducing road vibration and improving handling, even on rough roads or uneven terrain.
✅ Cost-Effective Aftermarket Alternative
Offers OEM-level performance at a competitive price point, ideal for fleet maintenance, repair, and replacement projects.
OEM Cross Reference
This product is compatible with the following OEM numbers:
2913010-K50L0
2913010-K20A0
2913010-K44H0
2913010-K3600
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
Compatibility & Fitment Guide
This 2913010-K50L0 leaf spring is specifically engineered for the following applications:
Model Line: Kinland KC series heavy-duty trucks
Common Chassis: tractors, dump trucks, and engineering vehicles using the K50L0 rear suspension configuration
Fitment Note: Please verify the part number and chassis configuration with your vehicle’s service manual before ordering to ensure compatibility.
Our factory also supports custom leaf spring manufacturing based on customer drawings, samples, or technical specifications, covering a wide range of truck, trailer, bus, and construction machinery applications.
🏭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
📦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


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.
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.
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.





