W01-358-7994 Firestone Rubber Air Spring 3B12-328 Goodyear Industrial Air Spring

W01-358-7994 Firestone Rubber Air Spring 3B12-328 Goodyear Industrial Air Spring

Product Description

Firestone Part Number: W01-358-7994
Firestone Part Number: W013587994
Firestone Part Number: W01 358 7994
Contitech Part Number: FT 330-29 546
Contitech Part Number: FT330-29 546
Contitech Part Number: FT 330-29546
Contitech Part Number: 64572
Goodyear Part Number: 3B12-328
Goodyear Part Number: 3B 12-328
Goodyear Part Number: 3B12 328
Triangle Part Number: 4546
Triangle Part Number: 6364

3B7994 Triple Bellow Air Spring Technical Data
♦Cover Plate
Top Cover Plate Diameter: Ø231mm
Bottom Cover Plate Diameter: Ø231mm

♦Combo Stud/Bolt
Combo Stud: 1/4NPTF
Combo Stud: 3/4-16UNF
Threaded Hole of Top Cover Plate: 3/8-16UNC
Threaded Hole of Bottom Cover Plate: 2X3/8-16UNC
Combo Stud and Threaded Hole Center Distance of Top Vover Plate: 140mm
Distance Between Threaded Holes of Bottom Cover: 157.5mm

♦Rubber Bellow
Rubber Bellow Max Diameter: 330mm MAX.OD
Rubber Bellow Max Height: 460mm
Rubber Bellow Min Height: 160mm
The Working Stroke: 330mm


What is an air spring
Air springs are the only load support products that provide both leveling capability and ride comfort. Only air springs can give you load support that can be adjusted to your specific load. Fill up when driving with a full load to keep your vehicle level for a safer, more comfortable ride. Bleed the air springs for the best ride quality when riding unladen.

Benefits of Air Springs
1. Eliminate squats
2. Reduce Braking and Poor Steering
3. Eliminate bumpy rides
4. Eliminate Poor Headlight Aiming
We proudly offer the highest quality replacement air springs that exceed OEM requirements.

The Real Pictures

Guangzhou Guomat Air Spring Co., Ltd. is located in Guangzhou, about 15min’s drive from Baiyun Airport. Our mainly products are air spring, rubber bellows, air suspension spring, air suspension compressor and refitted suspension system. They are widely used in bus, truck, cabin, vehicles’ seat, luxurious car and industrial machine field.

GUOMAT Factory gate：

Established in 2008, Our company covers 20,000㎡ and is located in Taihe Town Baiyun District. With the rapid development of our company, we are equipped with modernized workshop and advanced rubber air springs equipments now. We are the first company who started air spring business and has become one of the largest air spring manufacturing bases in China.

In 2017, we launched a collaboration with High Tech of US customers to customize the products of our customers and the logo of our customers. Every year, there are about 10,000 orders. In continuous cooperation, the products meet the international inspection standard ISO/TS16949:2009, and the customers are very satisfied with the products produced. This is our high recognition from American customers and also gives us Great motivation.

In 2018, we started cooperation with German GmbH, mainly industrial air springs, which are suitable for industrial equipment. We have successfully developed and produced the natural air-seal of the skin to reach the 700mm flanged air spring, the customer's annual demand is a few hundred.

With the development of business and demand for customers, our company introduced business with TomLog Corporation in 2010, our strategic cooperative partner in Taiwan. Then we developed air compressor program and air spring related business, in 2015, America Goodyear Corporation met with the transfer of shares in the North American plant, our company was granted with sale agent for air springs in China, providing more choice for our customers. Our company adopts the most advanced domestic air spring processing equipment and international production technology. Combined with unique production process, our company strictly execute international standards for production and spare no efforts to create the world-class products. We will endeavor to make air spring widely used at home and abroad, and let more and more customers to enjoy the best damping effect.