Single Convoluted Air Suspension Spring  W01-358-7009 Contitech Air Bellows FS330-11 468

Specifications and Technical Data

Top cover plate diameter:231mm

Bottom cover diameter:231mm

Screw center distance of top cover plate:157.5mm

Screw and Air hole distance of top cover plate:73mm

Air hole:1/4NPTF

Top cover plate screw(nut)tooth:2x3/8-16UNC

Screw center distance of bottom cover plate:157.5mm

Bottom cover plate screw(nut)tooth:2x3/8-16UNC

Rubber bellows MAX diameter:325mm

The working stroke:MAX 160mm to MIN 68mm

Maximum height:160mm

Minimum height:68mm

OEM Original Equipment Manufacturer

SAF Holland   90557002/AR741

Ridewell   1003587009C

Firestone Bellows Number:19

Goodyear part number:1B12-301/1B12-313

Goodyear Bellows Number:578-91-3-301/578 91 901/57891301

Firestone W013587009 Details

Airide springs can reduce your costs and increase your profits.

• Last at least twice, and as much as four times longer than steel springs

• Require little or no maintenance

• Increase life of tires and brake linings

• Substantially reduce breakage and maintenance of other vehicle components, including electrical, air conditioning, cab mounts, exhaust, chassis, seals, wiring and drive train

• Let you haul anything; eliminate expensive deadheading runs

• Reduce driver discomfort and dangerous fatigue; improve driver safety, productivity and loyalty

• Allow perfect load equalization between axles; let you run at the maximum legal limit

• Provide smoother ride for payload, reducing costly insurance claims and the expense of overpackaging

• Pay you back at trade-in time; trucks and trailers with air suspensions are worth more

• 100% of all air spring assemblies are pressure tested before they leave Fire-stones factory.

• 2 year / 200,000 mile warranty.

• Fire-stone is the original designer of composite pistons.

• Fire-stone rubber compounds have superior 'flex' range through temperatures of -65 F to 135 F.