Air Suspension Spring Air Bag for Semi Trailer

Name: Air Suspension Spring Air Bag for Semi Trailer
Availability: InStock
Rating: 4.5 (89 reviews)

This air suspension spring (air bag / air bellow) is a core spare part for semi‑trailer air suspension system. It is mainly applied on German‑style trailer axles, compatible with BPW, SAF and other mainstream suspension brands.

Made of high‑strength multi‑layer composite rubber material, it bears vehicle load, absorbs road vibration and adjusts vehicle height together with leveling valve.

Perfect for harsh road conditions in Africa, effectively improve driving comfort and protect cargo. Large stock available, support OEM replacement and wholesale bulk order.

Description

Item	Specification
Product Name	Air Suspension Spring / Air Bag / Air Bellow
Application	Semi‑trailer, heavy‑duty trailer air suspension system
Compatible Brand	Fit BPW, SAF, German‑type trailer suspension
Material	Multi‑layer reinforced composite rubber & steel end caps
Working Pressure	0.4‑0.8 MPa
Working Temperature	-40℃ ~ +70℃
Load Capacity	6‑12 Ton per piece (optional)
Color	Black
OEM No.	Support custom OEM number marking
Market Focus	Africa, Middle East heavy‑duty vehicle after‑market
Package	Carton / Wooden case for bulk shipment

Advantages

High‑strength multi‑layer rubber structure, anti‑aging, anti‑abrasion, long service life under rough road conditions.
Excellent air‑tight performance, low air‑leakage rate, stable bearing capacity.
Precise dimension, direct replacement for original air bag, no modification needed during installation.
Strong shock absorption performance, reduce impact to chassis and cargo on bumpy roads.
Strict quality inspection before delivery, well‑adapted for African harsh working environment.
Large inventory, fast delivery, support wholesale and customized OEM service.

Related Products

With the continuous development of the automobile market, more and more consumers are choosing second-hand cars. Compared to new cars, second-hand cars not only have more affordable prices, but also have higher cost-effectiveness and more flexible choice space.

Sinotruk Howo TX 8X4 12-Wheels Tractor Truck

This Sinotruk Howo TX 8X4 12-wheels tractor truck is a heavy-duty four-axle haulage vehicle with 12 tires. It matches various semi-trailers including container, dump, stake and tank semi-trailers for heavy bulk cargo, mineral and long-distance logistics transportation. The reinforced 4-axle chassis delivers outstanding load capacity and stable running performance.

Shacman X3000 8×4 Chassis Tractor Truck

The SHACMAN X3000 8×4 Chassis Tractor Truck is a heavy-duty, high-performance truck designed for extreme load capacity and demanding transportation tasks. Built on SHACMAN’s premium X3000 platform, this 8×4 configuration features four axles and 12 wheels, delivering exceptional stability and load distribution. Powered by a reliable Weichai or Cummins engine, paired with a manual or automatic transmission, it is ideal for heavy haulage, construction material transport, mining logistics, and special equipment towing. With a reinforced chassis, spacious cab, and advanced safety features, the X3000 8×4 is engineered for the toughest roads and heaviest loads.

Heavy-Duty Long Handle Twist Lock for Trailer Shipping Container

This ISO standard twist lock is a key safety component for container semi-trailers, skeleton and flatbed chassis. It locks standard containers via 90° manual rotation, preventing containers from shifting or falling during highway transportation. Available in retractable and fixed types, widely used for logistics transport, port and intermodal haulage.

2 Inch / 3.5 Inch, Bolted & Welded Kingpin for Heavy-duty Trailer

This semi-trailer king pin is the core coupling component to connect tractor head and semi-trailer. We supply two standard mainstream sizes: 2 Inch (50#) for standard load trailers and 3.5 Inch (90#) for super heavy overload vehicles. Two installation structures are optional: bolted detachable assembly type and integrated welded forging type. All products are forged from high-strength alloy steel with overall quenching & tempering heat treatment, strictly following international trailer coupling standards, stable in load bearing, wear-resistant and long service life, widely applied for container trailers, box vans, dump tippers, engineering mining heavy trailers and export semi-trailers.