Leaf Spring OEM 2912010-H02V0 For Dongfeng Tractor Truck is a heavy-duty multi-leaf suspension spring manufactured for commercial tractor trucks. Made from high-strength spring steel, it provides stable load support, fatigue resistance, and reliable suspension performance for freight transportation and fleet maintenance.
Specifications
|
Spring Number |
2 |
|
Size |
90x28 |
|
Painting Colour |
Black |
|
Bushings |
Rubber Bushing |
|
Application |
Dongfeng |
|
OEM References |
2912010-H02V0 |
|
Spring Material |
60Si2Mn SUP9/55CrMn 50CrVA 51CrV4 52CrMoV4 |
|
Packing Way |
Square Wood Wooden Pallet Metal Pallet |
|
MOQ |
50 |
|
Warranty time( used time) |
6 months |
Key Advantages
- High-strength spring steel (60Si2Mn, SUP9/55CrMn, 50CrVA, 51CrV4, or 52CrMoV4) provides reliable load-bearing capacity and long service life.
- Precision heat treatment and shot peening improve fatigue resistance, helping reduce replacement frequency and maintenance costs.
- Electrophoretic coating offers enhanced corrosion protection for long-term storage and overseas transportation.
- Accurate OEM dimensions ensure proper fitment, reducing installation time and minimizing compatibility issues.
- Rubber bushings help absorb vibration and improve suspension stability, supporting consistent vehicle performance.
Typical Applications
Heavy-duty freight transportation
Long-haul logistics fleets
Commercial tractor truck maintenance
Truck repair and service workshops
Automotive spare parts wholesale and distribution
Customization Options
Product Customization
|
Item |
Available Options |
|
Material |
60Si2Mn, SUP9/55CrMn, 50CrVA, 51CrV4, 52CrMoV4 |
|
Size |
Customized dimensions and leaf configuration |
|
Load Capacity |
Standard or customized load ratings |
|
Bushing Type |
Rubber bushing or specified alternatives |
|
Surface Finish |
Black electrophoretic coating or customized painted color |
Branding Service
- Private label production
- Customer logo on packaging
- Customized carton marks and shipping labels
- OEM part number identification
- Customized packing design
- Product documentation support
Manufacturing & Quality Assurance
Manufacturing Process
Spring steel material inspection
Steel cutting and sizing
Heating and rolling/forming
Punching and eye forming
Heat treatment (quenching & tempering)
Shot peening
Assembly with bushings and center bolt
Electrophoretic coating or customized painting
Final assembly and packaging
Quality Assurance
Raw material chemical composition verification
Hardness testing
Dimensional inspection
Camber and load testing
Fatigue performance inspection
Surface coating thickness inspection
Appearance inspection
FAQ
Q: Which spring steel material should I choose?
A: For spring thickness below 18 mm, 60Si2Mn is commonly recommended. For 18 mm and above, SUP9/55CrMn or higher-grade materials such as 50CrVA or 52CrMoV4 are available according to application requirements.
Q: Can I order samples before mass production?
A: Yes. Sample orders are available for quality evaluation before bulk purchasing.
Q: What is the normal production lead time?
A: Standard orders are typically completed within 15–30 days. Orders with multiple specifications or special materials may require additional production time.
Q: Can I arrange third-party inspection before shipment?
A: Yes. We support inspections by SGS, BV, TÜV, Intertek, or customer-appointed inspectors before delivery.
Q: What payment terms do you accept?
A: Our standard payment term is 40% T/T deposit, with the 60% balance paid before shipment. Other terms can be discussed for long-term cooperation.
Q: What after-sales support do you provide?
A: We provide technical assistance, quality issue investigation, replacement solutions for verified manufacturing defects, and responsive export service support. The standard product warranty is 6 months under normal operating conditions.
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