CS-77 01 E18 Heavy-Duty Suspension Air Spring Assembly

Core Adaptation Information

Compatible Vehicle Types:
- Medium/heavy-duty trucks (N2 class), refrigerated semi-trailers, light flatbed trailers, and urban logistics vehicles
- Short-haul construction equipment transport vehicles and bulk small-package delivery fleets
- All commercial vehicles equipped with air suspension systems matching the assembly’s mounting dimensions and load range
Cross-Reference Models: CS-77 01 E17, CS-77 01 E19 (same-series mid-load air springs)
Applicable Replacement Scenarios: Air bladder damage, air leakage, reduced load stability, abnormal chassis shaking during load changes, suspension height instability, worn mid-load suspension components
System Compatibility: Fully compatible with air suspension height adjustment systems; no recalibration needed after installation

Detailed Technical Parameters

Air Bladder Material5-ply reinforced chloroprene rubber (CR) + high-tensile polyester cord, oil-resistant, ozone-resistant, anti-UV
Maximum Working Pressure12 bar (174 psi)
Maximum Load Capacity8,500 kg per assembly (at rated pressure)
Operating Temperature Range-40℃ ～ +90℃
Mounting Thread SizeUpper: M20×1.5; Lower: 3/4" BSPT male
Assembly WeightApproximately 4.2–4.6 kg
Bladder Diameter (Max Inflation)330 mm (±5 mm)
Free Length (Uninflated)290 mm (±5 mm)
Sealing StructureIntegral rubber seal + stainless steel gasket, zero-leakage design for medium-pressure applications
Fatigue Life≥ 380,000 load cycles (per industrial test standard)
Fastener GradeGrade 10.9 hot-dip galvanized high-strength steel, corrosion-resistant

Core Product Advantages

Balanced Load-Bearing Stability: 5-ply reinforced structure with polyester cord reinforcement supports up to 8,500 kg per assembly, maintaining consistent performance during frequent empty-to-full load transitions.
Efficient Shock Absorption & Vibration Isolation: Optimized bladder geometry and medium-pressure design effectively filter road impacts, reducing chassis vibration by 40% and improving driver comfort during urban and regional transportation.
Industrial-Grade Durability: Reinforced CR rubber resists abrasion, oil contamination, UV radiation, and ozone aging; galvanized fasteners prevent rust and corrosion, extending service life by 30% compared to standard aftermarket parts.
Universal Compatibility & Quick Installation: Standardized mounting interface enables direct bolt-on replacement, eliminating chassis modification and cutting maintenance time by 50% for fleet teams.
Wide Temperature Adaptability: Operates stably in extreme cold (-40℃) and high-temperature (+90℃) environments, suitable for cross-regional transportation in temperate and subtropical regions.
Global Market Compliance: Meets ISO 16949 and ECE R134 standards, ensuring market access in Europe, North America, Asia, and other key regions for medium/heavy-duty commercial vehicle parts.

Applicable Scenarios

Regional & Urban Logistics: Ideal for refrigerated trucks, small-package delivery fleets, and intercity freight vehicles, improving stability during frequent start-stop cycles and urban road driving.
Light Construction Material Transport: Suitable for short-haul sand, gravel, and building material delivery trucks, withstanding uneven construction site access roads.
Special-Purpose Vehicle Retrofits: Used in the modification of mobile workshops, light tanker vehicles, and temperature-controlled transport trailers to enhance suspension stability.
Mid-Load Fleet Maintenance & Replacement: Cost-effective solution for medium/heavy-duty commercial vehicle fleets to replace worn air springs, minimizing vehicle downtime and maintenance costs.
Aftermarket Parts Distribution: Core product for auto parts dealers specializing in mid-load commercial vehicles, compatible with multiple models and meeting diverse customer demands.

Brand & After-Sales

Brand Guarantee: Produced by Raexon, relying on the integrated production capacity of industry and trade, strictly following international commercial vehicle parts production standards, focusing on the R&D, production and sales of commercial vehicle parts, and cooperating with well-known international brands to create high-quality parts with trustworthy quality.

After-Sales Guarantee: The product enjoys perfect after-sales guarantee service. For quality problems caused by non-human damage within the warranty period, free maintenance or replacement services can be provided. At the same time, professional technical consultation and installation guidance are provided to solve various problems encountered by customers in the use process, supporting bulk order customization and foreign trade export adaptation services.