W01-358-9113 Natural Rubber Air Spring/1T15M-2 Air Suspension Spring Parts For

W01-358-9113 Natural Rubber Air Spring/1T15M-2 Air Suspension Spring Parts For OEM Piston Aluminum 9 10-12 A 341

OEM and replacement

OE Aftermarket: 8319
ContiTech: 910-12A343
Firestone: 9113
Firestone: W01-358-9113
ContiTech: 910-12A341
Firestone: FS9302
Firestone: W01-358-9302
OE Aftermarket: 43380
ContiTech: 910-12A319
OE Aftermarket: AS9113
Ford: F2UA5560HE
Firestone: 9302
BWP: AS1R12132
OE Aftermarket: AS9302
ContiTech: 910-12A504
Automann: AB1DK23H-9113
Triangle: AS8341

Product Drawing

General Air Suspension Q & A

Q: Why Air Suspension?

A: Level your load – passengers, fuel, cargo, trailers, etc. Adjust the height of your vehicle on the fly – improved appearance, obstacle clearance, ease of loading, etc. Get an exceptional ride quality regardless of load – read the next Q/A for the explanation. Get amazing handling stability and performance due to the inherent progressive spring rate that Air Springs offer.

Q: How did Air Suspension begin?

A: First, some interesting history that explains it all; heavy transit buses in the 1930’s were in desperate need for a leaf spring replacement. Passengers that rode the bus from the start of the route would complain about the harsh ride that they experienced before the other passengers got on. This was due to the inherent drawback of all leaf springs; in order to be able to carry the heavy load when the bus was full of passengers, the leaf springs had to be massive and very stiff. Yet, this resulted in an extremely harsh ride when the bus only had a few passengers on it, (similar to today’s factory pickup trucks that “buck” on sectioned freeways while they are unloaded). Air Suspension provided the perfect solution. When the bus was empty, a mechanical leveling valve let air out of the spring to keep the bus at the designed height. Once passengers loaded the bus, the leveling valve added air pressure to the air spring to level the load. This extra pressure also served to increase the stiffness of the air spring. Now the bus had the same ride quality no matter how many people were on it. This simple yet extremely advantageous ability – officially called load capacity vs. ride decoupling – helped the air spring find its place on heavy trucks, trains, and eventually passenger cars. The basic design of the rubber air spring hasn’t changed much over the last 80 years, yet the technology behind the systems that control the air springs have improved tremendously. These advancements have brought improved reliability and capability to Air Suspension and helped the list of applications and uses grow to its current state.

Q: What if an Air Spring blows out while I am driving?

A: This only happens if an air spring or airline is installed INCORRECTLY! If the rubber bellow is rubbing on a metal object during operation, or too close to extreme heat, a rupture will eventually occur. If an airline is installed where it can chafe on a sharp object, or too close to extreme heat, it will eventually fail. Yet, when installed correctly, an Air Suspension System will easily outlast the life of the vehicle. If you’re still skeptical, start looking at all of the truck and trailers that you pass on the freeway and notice the massive Air Springs that hold them all up for millions of miles.

Q: Can I adjust the Spring Rate of my air springs along with the height?

A: Yes, but the Spring Rate will be directly connected with spring height. As you raise the air spring’s height, you will also be increasing the air pressure inside, thus increasing its Spring Rate. Unfortunately, this is opposite from what most of us would want for performance applications, (low and firm for handling, high and soft for mobility). One way to adjust the relationship between Spring Rate and vehicle height is to change the mechanical installed height of the air spring, or make it adjustable. Another way to reduce the spring rate is to add an accumulator tank plumbed in parallel with the air spring (sometimes referred to as a “ping tank”). When you purchase a complete Air Suspension System from AccuAir, you can rest assured that the spring rate and overall ride quality has been optimized for your application. AccuAir and our Industry Partners focus on providing the best possible balance between ride quality, handling characteristics, and ease of installation for your vehicle.