Global Engineering Machinery One-Stop Sourcing Platform
GLOBALMACHEX
Global Engineering Machinery One-Stop Sourcing Platform
GLOBALMACHEX
rubberairspring Airbag

rubberairspring Airbag

USD $22.00 / Pieces

Min. Order: 10 Pieces

Supported Trade Terms:
FOB
Lead Time:
20 days
Supply Ability:
87,979 Pieces per Week
Shipping Port:
shandong
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Product Features & Applications

SAMPA Air Spring SAMPA is a reputable supplier of commercial‑vehicle spare parts with international quality certification. SAMPA air springs (air suspension bellows) are widely used for trucks, semi‑trailers, lift‑axles, refrigerated trucks and other special vehicles. Constructed from reinforced rubber compound, the air spring resists cracking, deformation and abrasion under heavy‑load and harsh road conditions. It delivers outstanding damping effect, stabilizes vehicle body height, reduces road impact and improves ride smoothness. Every unit undergoes automated vulcanization and full leak detection before delivery for consistent performance and long service life. Featuring great compatibility with mainstream OE specifications, simple installation and competitive cost‑performance, SAMPA air springs are a trusted choice for fleets and aftermarket repair worldwide.

Detailed Introduction to SAMPA Air Springs

SAMPA air springs are manufactured by Türkiye‑based SAMPA Otomotiv Group. These are commercial‑vehicle suspension air springs, not crash‑safety airbags. Widely used on trucks, trailers and buses for air‑suspension and lift‑axle applications, SAMPA is a major global aftermarket replacement brand holding Ford Q1 quality certification. Its products serve as viable alternatives to original‑equipment parts and enjoy large market circulation in China’s heavy‑duty truck and trailer aftermarket.

Brand Background

‑ Origin: Türkiye. The brand specializes in commercial‑vehicle chassis components, air‑suspension parts, rubber bushings and brake components. Its products are exported to Europe, the Middle East and Asia‑Pacific. They fit MAN, Mercedes‑Benz, DAF, Volvo and Scania, as well as domestic Chinese semi‑trailers, box‑body trailers, refrigerated trailers, hazardous‑material transport vehicles and lift axles.
‑ Market positioning: OE‑equivalent replacement parts. Quality is close to original‑equipment standards at a lower price point than genuine imported OEM parts, delivering good cost‑performance. It is extremely common in trailer repair workshops across China.

Product Construction

A typical SAMPA air spring consists of:
  1. Rubber bellows: Multi‑layer reinforced rubber‑cord composite, the flexible core component of the spring.
  2. Upper and lower metal end caps: Anti‑corrosion coated, bolt‑mounted to connect axle and vehicle frame.
  3. Piston base (plastic or metal on selected models): Defines working travel and mechanical limits.
  4. Internal rubber bump stop: Provides hard limit when the air spring is fully deflated, preventing direct crushing damage to the rubber bellows.
Model naming: Part numbers start with SP, e.g. SP554810, SP55673. Each model corresponds to specific height, diameter and mounting hole dimensions, for direct cross‑reference against OEM part numbers.

Material & Technical Features

  1. Rubber compound: Reinforced composite rubber with good ozone‑resistance, high‑low temperature tolerance and crack resistance. It withstands cold northern winters, hot southern sunlight and stone impacts, resisting cracking and bulging under repeated flexing.
  2. Automated vulcanization: Factory automated vulcanization process. Every unit undergoes 100‑percent air‑leak testing before delivery to minimise leakage risk.
  3. Anti‑corrosion metal hardware: Coated end caps resist corrosion from rain, snow and road salt.
  4. Optimised structure: Reinforced top end‑plate distributes stress under heavy loads and reduces premature failure caused by cyclic heavy‑load operation. Built‑in bump stop protects rubber bellows at maximum compression.

Core Functions

  1. Load‑bearing: Supports trailer and axle loads using compressed air; working height changes with inflation pressure.
  2. Vibration damping: Replaces traditional leaf‑spring assemblies, absorbs road shocks, protects cargo and improves ride comfort.
  3. Vehicle‑height levelling: Works with valve assemblies to adjust chassis height for empty or fully‑loaded conditions.
  4. Lift‑axle operation: Extensively used for trailer lift‑axles. Inflation lifts the axle; deflation lowers it, reducing tyre wear and saving fuel.

Typical Applications

‑ Semi‑trailers: stake‑body, box‑type, refrigerated and hazardous‑goods trailers with air suspension
‑ Heavy‑duty trucks and passenger coaches with air suspension
‑ Trailer lift axles
‑ Fits MAN, Mercedes‑Benz, DAF, Volvo, Scania plus most Chinese‑built air‑suspension trailer axles.

Advantages & Disadvantages

✅ Advantages
  1. Better anti‑ageing and anti‑fatigue performance compared with low‑end domestic alternatives; lower failure rates for air leakage and rubber bulging.
  2. Significantly lower price than genuine OEM springs from brands such as Mercedes‑Benz or MAN, offering strong cost‑performance.
  3. Comprehensive model coverage; compatible with most mainstream trailer air‑suspension systems.
  4. Suited for heavy‑duty cyclic freight‑transport conditions. Many Chinese repair workshops offer 1‑3‑year warranties.
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