SINOTRUK HOWO T7H & SITRAK Front Spring Left Rear Bracket Assembly TG99255202121 - OEM Heavy-Duty Suspension Component

Core Specifications
OEM Number: TG99255202121 (Genuine SINOTRUK Certification)
Material: SAE 4140 Chromoly Steel with 3-stage surface treatment:
Primary layer: Phosphating (8-12μm)
Secondary layer: Electrophoretic coating
Top coat: Epoxy powder coating
Compatibility: HOWO T7H (2020+ models), SITRAK C7H/C9H

Technical Parameters
Bolt hole spacing: 220±0.25mm (matches factory specifications)
Dynamic load capacity: 13,500kg
Temperature range: -45°C to 130°C
Surface hardness: HRC 40-45
Performance Advantages
35% longer service life than aftermarket alternatives through:
Precision CNC machining (±0.05mm tolerance)
Multi-layer corrosion protection (2,000h salt spray test passed) 
Enhanced structural integrity with forged one-piece construction
Reduces suspension noise by 40% compared to welded designs

Global Compliance

• CE/RoHS certified 
• ISO 9001:2015 production standards
• REACH chemical compliance 

• DDP shipping to 150+ countries
• 15-day lead time for bulk orders (MOQ: 50 units)
• Custom export packaging with anti-rust VCI paper

After-Sales Support:

• 24/7 technical consultation via WhatsApp/email
• 12-month warranty with free return policy
• Local service centers in 15+ countries