Goodyear Truck Helper Bags 2B12-346 2B12-440 578923315 Double Bellow Suspension Air Springs

Cross Reference

Goodyear Part Number 2B12-346

Goodyear Part Number 2B12 346

Goodyear Part Number 2B12-440

Goodyear Part Number 2B12 440

Goodyear Bellow Number 578923315

2B7550 helper bags specifications and Tecnical Data

1. Bolt/Stud on top cover: 1/2-13UNC

Combo/Combination Stud: Stud-3/4-16UNC, air fittings-1/4-18NPT

2. Threaded hole on bottom cover: 2pcs×3/8-16UNC

Bottom plate screw center distance : 157 mm

3. Top/Bottom plate diameter (width): 224.5mm

4. Rubber bellows Max. diameter: 343mm

5. Working Stroke: Min104mm to Max. 363mm

6. Bumper block/bumper block with bumper
7. Belt loop/girdle ring/girdle hoop: with one piece of belt loop/girdle hoop

8. Max. Rubber Bellow: 343mm

Other types of goodyear air springs we could offer

The related picture of 2B7550 suspension air springs

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.

AIRSUSTECH is another brand of Guangzhou Guomat Air Spring Co., Ltd. 

AIRSUSTECH is focus on industrial air spring.

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.