Guangzhou Viking Auto Parts Co., Ltd.
                                                                                                           
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17 Years
Since 2009
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Trailer OEM SZ 51-7 Seat Air Spring - 3 Million Cycle Durability, -40°C to +70°C Temperature Range

Price Negotiable
Price: $1.00 - $25.00/Pieces
MOQ: 10 Pieces
Delivery Time: Negotiable
Brand: VKNTECH
Product Description
Trailer OEM SZ 51-7 Seat Air Spring

High-performance rubber air spring designed for truck trailer suspension systems and driver seat applications, engineered for durability and reliability in demanding conditions.

Technical Specifications
Part Number 1S 0517
OEM Numbers SZ51-7
Working Temperature -40°C to +70°C
Failure Testing ≥3 million cycles
Product Images
Truck trailer suspension parts rubber air spring air bellow SZ51-7 AIR SPRING FOR DRIVER SEAT SZ51-7 Air Spring side view showing construction details SZ51-7 Air Spring top mounting interface SZ51-7 Air Spring bottom mounting plate Truck trailer suspension parts rubber air spring air bellow SZ51-7 AIR SPRING FOR DRIVER SEAT installation view
Maintenance & Vehicle Checklist
  • Check air lines and devices for leaks and ensure they turn freely
  • Inspect bellows bearing for damage, proper fastening, deformation, and sharp edges
  • Verify shock absorbers for operation, impermeability, tightness, and bearing
  • Periodically check nuts and bolts for proper torque according to manufacturer specifications
  • Inspect axle suspension, trailing arms, and rods for wear
  • Check height control valve for proper functionality to reduce maintenance expenses
  • Perform routine inspections according to manufacturer instructions to extend vehicle life
Air Spring Installation Guidelines
Preparation Steps
  1. Gather all necessary tools and equipment for safe repair execution
  2. Review manufacturer's service guide to understand the suspension system
  3. Consult qualified specialists if uncertain about any procedure
Critical Installation Tips
  • Check leveling valve, linkage, and transmission parts for wear and replace damaged components
  • Test shock absorbers for leaks and replace defective units
  • Inspect entire air line length for cracks or damage and replace worn parts
  • Check frame hangers, trailing arm bushings, torque rods, and air spring mounts for wear
  • Clean air spring mounting plates thoroughly before installation
  • Always use new attaching bolts and observe specified tightening torques
  • Verify leveling valve linkage functionality under load conditions

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Viking Auto Parts Co., Ltd.
Location No.11 Jixiang 2nd Road,Pearl Industrial Park,Conghua,Guangzhou City,China
Contact Person Eric

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