Multi-leaf – haishuoleafspring https://www.haishuoleafspring.com Fri, 28 Aug 2026 06:44:11 +0000 en-US hourly 1 https://wordpress.org/?v=7.1.3 https://www.haishuoleafspring.com/wp-content/uploads/2026/06/cropped-logo-2-32x32.png Multi-leaf – haishuoleafspring https://www.haishuoleafspring.com 32 32 Heavy Duty SGMW Wuling Rear Leaf Spring 23512670 https://www.haishuoleafspring.com/product/sgmw-wuling-rear-leaf-spring-23512670/ Fri, 15 May 2026 01:15:18 +0000 http://43.157.78.71/?post_type=product&p=7271 Heavy Duty SGMW Wuling Rear Leaf Spring 23512670

Searching for direct factory replacement SGMW Wuling Rear Leaf Spring 23512670 assemblies to supply light commercial fleets, mini truck owners, or regional automotive spare parts inventory? Engineered with premium high-tensile alloy spring steel, dual-stage main and helper leaf architecture, and vivid red anti-corrosion coating, our rear suspension leaf springs deliver excellent payload support, smooth driving comfort, and extended service life under frequent urban cargo haulage. Certified under strict ISO/TS 16949 quality management systems with European CE compliance, Haishuo is a direct OEM factory manufacturer supplying auto parts importers, regional distributors, and repair centers worldwide.

Product Overview

The SGMW Wuling Rear Leaf Spring 23512670 is a crucial rear axle suspension component specifically designed for SAIC-GM-Wuling (SGMW) light commercial vehicles, mini trucks, and cargo vans. Positioned between the rear axle housing and vehicle chassis, this dual-stage leaf spring pack features a primary main spring stack combined with a flat auxiliary helper leaf to ensure progressive suspension stiffness under varying cargo weight conditions.

Forged from high-tensile alloy spring steel, every SGMW Wuling Rear Leaf Spring 23512670 manufactured by Haishuo features precision hot-rolled eyes with pre-fitted rubber bushings for smooth shackle pivot articulation. Each unit undergoes computerized quenching and tempering, precision center-hole alignment, and high-stress shot peening to prevent permanent arch sagging, blade cracking, and fatigue fracture under heavy urban transport routes across Southeast Asia, Latin America, the Middle East, and Africa. We offer direct wholesale bulk manufacturing as well as custom engineering based on client technical drawings or physical samples.

Applicable Models

SGMW Wuling Rear Leaf Spring 23512670

Key Features & Product Highlights

  • 100% Direct OEM Fitment (23512670): Precision-engineered dimensions matching original SAIC-GM-Wuling (SGMW) chassis mounting brackets and rear axle U-bolts.

  • Progressive Dual-Stage (Main & Helper) Design: Provides smooth ride comfort when driving empty and extra load-carrying capacity when fully loaded with cargo.

  • Precision Hot-Rolled Eyes: Manufactured with tight eye diameter tolerances to accommodate heavy-duty rubber-metal bushings and shackle pins.

  • High-Tensile Forged Alloy Steel: Manufactured from premium alloy spring steel (60Si2Mn / SUP9 / 51CrV4) for maximum yield strength, impact toughness, and fatigue resilience.

  • Computerized Thermal Processing & Shot Peening: Advanced heat treatment and shot peening eliminate surface stress micro-cracks to maximize flexural cycle life.

  • Vivid Red Industrial Protective Finish: Durable bright red anti-rust paint finish providing superior protection against rain, mud, and road corrosion.

Technical Specifications

Item Specification
Product Name Heavy Duty SGMW Wuling Rear Leaf Spring 23512670
Primary Keyword SGMW Wuling Rear Leaf Spring 23512670
OEM Reference Number 23512670 / L0023512670
Target Vehicle Brand SAIC-GM-Wuling (SGMW / Wuling Motors)
Suspension Location Rear Axle Suspension System
Structure Type Progressive Main & Auxiliary Helper Leaf Assembly
Material Grade Premium Alloy Spring Steel (60Si2Mn / SUP9)
Manufacturing Process CNC Shearing, Hot Eye Rolling, Heat Treatment, Shot Peening, Red Painting
Surface Finish High-Durability Red Industrial Anti-Rust Coating
Quality Certification ISO/TS 16949 Certified, CE Compliance, SGS Tested

Dedicated Vehicle Application & Model Compatibility

Our SGMW Wuling Rear Leaf Spring 23512670 is engineered specifically for popular SGMW light commercial mini trucks, pickups, and cargo vans widely exported across international markets:

  • SGMW Wuling Rongguang Series: Wuling Rongguang New Truck (Rongguang Xinka), Rongguang Mini Truck (Single/Double Cab).

  • SGMW Wuling Hongguang & Sunshine Series: Wuling Hongguang V, Wuling Sunshine V cargo vans and passenger haulers.

  • SGMW Wuling Longka & Zhengcheng: Heavy-payload mini trucks and commercial transport platforms.

  • Chevrolet Commercial Mini Vehicles: Compatible with regional Chevrolet-badged SGMW commercial mini trucks (e.g., Chevrolet N200 / N300 / Move series in Latin America and Southeast Asia).

(Because leaf spring pack configurations can vary slightly between standard cargo vans and reinforced overload mini trucks, please verify your exact OEM part numbers or physical sample specs with our technical sales team.)

Common Signs Your Wuling Rear Spring Needs Replacement

Routine inspection of mini truck rear leaf springs is essential to ensure vehicle stability, brake safety, and cargo protection. Replace your SGMW Wuling Rear Leaf Spring 23512670 if you observe the following issues:

  • Rear End Sagging or Low Ground Clearance: The rear chassis sits lower than normal under standard cargo weight due to lost arch elasticity.

  • Vehicle Leaning on One Side: Uneven rear height caused by a fatigue crack or broken leaf blade on one side of the axle.

  • Visible Leaf Fractures or Snapped Helper Blades: Visible cracks or broken ends around the center pin clamping area or auxiliary leaf contact zones.

  • Excessive Bouncing & Unstable Handling: Severe chassis sway or harsh bottoming-out over road bumps caused by worn spring leaves or damaged eye bushings.

  • Unusual Rear Tire Tread Wear: Rapid or uneven tread wear on rear drive tires caused by axle misalignment under load.

Technical Inspection & Quality Control

Every SGMW Wuling Rear Leaf Spring 23512670 undergoes strict multi-stage quality control checks matching original equipment manufacturer standards:

  • 3D Geometry & Arch Verification: Precision laser measurement of total eye-to-eye span length, free arch height, leaf thickness profile, and center pin alignment.

  • Hydraulic Load & Deflection Testing: Tested on dynamic hydraulic presses to verify precise spring rate, progressive helper leaf contact point, and elastic rebound.

  • Metallurgical & Hardness Testing: Hardness testing verifies uniform heat treatment grain structure and dynamic tensile resilience across all stacked leaves.

Manufacturing Process

  1. Raw Steel Inspection: High-tensile alloy spring steel flat bars undergo chemical composition analysis and tensile strength testing.

  2. CNC Cutting & Hot Eye Rolling: Precision shearing, end tapering, CNC eye forming, and center bolt hole punching.

  3. Quenching, Tempering & Shot Peening: Computerized thermal treatment maximizes structural toughness, followed by shot peening to prevent fatigue micro-cracks.

  4. Coating & Bushing Fitment: Leaves receive a durable red industrial protective finish before precision installation of eye bushings and alignment clips.

  5. Final Inspection & Packaging: 100% visual, dimensional, and dynamic load-deflection checks prior to export shipping.

Packaging & Export Shipping

  • Anti-Rust Protection: Treated with rust-inhibiting coating and wrapped in heavy moisture-proof plastic film.

  • Non-Fumigation Plywood Pallets: Secured on heavy-duty non-fumigation export pallets for rapid customs clearance at destination ports.

  • High-Tensile Steel Strapping: Bound firmly with heavy steel bands and protective corner guards to guarantee zero shifting during ocean transit.

  • Container Space Optimization: Customized packing plans to maximize loading capacity in 20ft and 40ft HQ containers.

OEM & Custom Wholesale Manufacturing Services

We provide comprehensive OEM/ODM production capabilities for spare parts importers, fleet managers, and Wuling repair centers:

  • Direct manufacturing matching part number 23512670 and related regional SGMW OEM variants.

  • Custom leaf counts, leaf thickness profile, arch height, and surface color choices (Red, Black, Gray).

  • Private labeling, laser part number engraving, and customized export cartons.

Frequently Asked Questions (FAQ)

Q1: Is part number 23512670 compatible with Wuling mini trucks?

A: Yes! Part number 23512670 is an original SGMW specification designed for Wuling Rongguang New Truck, Hongguang V, and related light commercial chassis.

Q2: Does this spring pack include the auxiliary helper spring?

A: Yes, this assembly includes both the main leaf stack and the bottom progressive helper spring for enhanced heavy payload support.

Q3: Is this leaf spring compatible with Chevrolet N200 / N300 mini trucks?

A: Yes! Many SGMW Wuling mini trucks are rebadged as Chevrolet N200/N300 in Latin America and Middle East markets, sharing identical suspension specs.

Q4: Do you supply sample units for fitment testing?

A: Yes, sample units are available for distributors and fleet owners to verify eye-to-eye length, arch height, and shackle fitment prior to placing bulk container orders.

Q5: What is the standard production lead time for bulk export orders?

A: Standard manufacturing lead time typically ranges from 15 to 25 days depending on total order volume, customized tooling needs, and surface finish choices.

Request a Quote

Keep your Wuling mini truck fleets and light commercial vehicles operating with maximum cargo reliability! Contact our technical sales team today to request a competitive wholesale quote for our ISO/TS 16949 certified SGMW Wuling Rear Leaf Spring 23512670 products!

]]> Cost Effective Precision Single Point Leaf Spring for Truck Suspension https://www.haishuoleafspring.com/product/cost-effective-precision/ Thu, 14 May 2026 09:56:49 +0000 http://43.157.78.71/?post_type=product&p=7232

Cost-Effective Precision Single Point Leaf Spring for Truck Suspension​

Engineered for commercial vehicle manufacturers and fleet operators seeking to optimize their suspension budget without compromising on safety or performance, our Cost-Effective Precision Single Point Leaf Spring offers an ideal balance between affordability and engineering excellence. As a pivotal component in truck suspension systems, this leaf spring is designed to deliver dependable load support and vibration damping across a wide range of vocational and long-haul applications.

Technical Design & Engineering Advantages​

Uncompromised Precision Manufacturing

Despite its cost-effective positioning, the spring is produced using advanced CNC machining and precision forming techniques. Each leaf is cut and profiled to exacting tolerances, ensuring consistent curvature and thickness along its entire length. This precision guarantees uniform load distribution and predictable spring rates, which are critical for maintaining proper vehicle ride height and handling characteristics.

Robust Single-Point Focus Design

The Single Point designation refers to a refined focus on a singular, optimized load path. Through finite element analysis (FEA), the spring geometry is designed to channel vertical and longitudinal forces directly to the chassis frame with minimal energy loss or lateral dispersion. This focused design not only enhances the overall structural rigidity of the spring but also reduces the likelihood of premature leaf tip breakage or inter-leaf friction wear.

High-Strength Alloy Steel Construction

Crafted from high-grade chrome-silicon alloy steel, the spring material is selected for its exceptional tensile strength and fatigue resistance. The leaves undergo a rigorous heat treatment process—including austempering—to achieve a tough, flexible microstructure that resists sagging and cracking even under sustained heavy loads and harsh road conditions.

Optimized for Reduced Friction & Maintenance

To further enhance longevity and reduce operating costs, the spring assembly incorporates precision-ground contact surfaces and is available with optional polymer anti-friction pads. These features minimize inter-leaf friction, which not only improves damping efficiency but also reduces the frequency of required maintenance interventions such as lubrication or replacement of worn-out leaves.

Corrosion-Resistant Protective Coatings

Each spring is finished with a durable, epoxy powder-coating that provides a superior barrier against moisture, road salt, and chemical contaminants. This protective layer ensures the spring maintains its structural integrity and aesthetic appearance over extended service intervals, particularly in corrosive environments such as coastal regions or winter maintenance routes.

Key Benefits for Fleet and OEMs​

  • Reduced Total Cost of Ownership:​ Lower manufacturing costs passed on to the customer, combined with extended service life and reduced maintenance needs.
  • Consistent Performance:​ Precision manufacturing ensures every unit performs to the same high standard, reducing variability in ride quality and load handling.
  • Enhanced Safety:​ Robust construction and optimized force transfer contribute to improved vehicle stability and braking efficiency under load.
  • Broad Application Fit:​ While optimized for general truck suspension, its versatile design makes it suitable for a wide range of Class 4-8 commercial vehicles.

🏭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.

]]> Heavy Duty Multi Leaf Springs for Trailers and Semi-Trailers https://www.haishuoleafspring.com/product/leaf-springs-for-trailers/ Thu, 14 May 2026 09:55:20 +0000 http://43.157.78.71/?post_type=product&p=7228

Heavy Duty Multi Leaf Springs for Trailers and Semi-Trailers​

Purpose-built for the rigorous demands of trailers and semi-trailers , our Heavy Duty Multi Leaf Springs are the backbone of any robust suspension system designed to handle high payloads and extended operational hours. These springs provide the essential balance between strength and flexibility, ensuring safe and stable transportation of heavy cargo over diverse road conditions, from highway long hauls to challenging vocational routes.

Technical Design & Engineering Advantages​

Superior Load-Bearing Capacity through Multi-Layer Design

The multi-leaf configuration is strategically engineered to distribute heavy loads evenly across each individual leaf. This layered approach significantly increases the overall carrying capacity compared to single-leaf designs, preventing premature sagging and ensuring the trailer maintains proper ride height and axle alignment even when fully loaded to maximum GVWR.

Optimized Damping and Fatigue Resistance

Each leaf in the stack is manufactured from high-grade alloy steel and features precisely calculated contact points and optimized curvature. This geometry enhances the spring’s natural frequency, effectively dampening vibrations and chatter from uneven pavement. The robust construction offers exceptional resistance to metal fatigue, allowing the springs to endure millions of stress cycles without failure.

Reduced Friction and Noise with Precision Liners

To improve longevity and reduce operating noise, the leaves are equipped with high-quality composite or polymer liners between the layers. These liners minimize inter-leaf friction during suspension articulation, which not only prevents wear on the steel surfaces but also helps maintain consistent performance by reducing the energy lost to internal heat generation.

Corrosion-Resistant Finish for Extended Service Life

Recognizing the harsh environments trailers often encounter (including road salt and moisture), the springs undergo a specialized shot-peening and powder-coating process. This provides a durable, protective barrier that guards against rust and corrosion, preserving the structural integrity and aesthetic appearance of the springs throughout their 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.

]]> OEM Replacement Leaf Spring Fit for Mercedes Benz Heavy Duty Trucks https://www.haishuoleafspring.com/product/mercedes/ Thu, 14 May 2026 09:53:11 +0000 http://43.157.78.71/?post_type=product&p=7226

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.

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