3B12-303 Goodyear Air Bag Spring W01-358-8018 Firestone Suspension Air Shock

3B12-303 Goodyear Air Bag Spring W01-358-8018 Firestone Suspension Air Shock

Product Description

OEM Number/Cross Reference Number

Goodyear Part Number: 3B12-303

Goodyear Part Number: 3B 12-303

Goodyear Bellows Number: 578-93-3-100

Goodyear Bellows Number: 578 93 3 100

Goodyear Bellows Number: 578933100

Firestone Part Number: 8018

Firestone Part Number: W01-358-8018

Firestone Part Number: W01 358 8018

Firestone Part Number: W013588018

Firestone Part Number: WO1-358-8018

Firestone Part Number: WO1 358 8018

Firestone Part Number: WO13588018

Contitech Part Number: 64285

Contitech Part Number: FD330-29 434

Contitech Part Number: FD 330-29 434

Technical Data

Top Plate Dia: 9''
Top Plate C to C Diameter: 6.2''
Bottom Plate Hole Stud Qyt: 2
Bottom Plate Dia: 9''
Bottom Plate C to C Diameter: 6.2''
Bottom Plate Alignment: Parallel
Bumper: Yes
Min Height: 5.1''
Max Height: 18''

Commercial Vehicle Applications
In the commercial vehicle sector, air springs are used for safety, economy, and cargo protection. They have high market penetration in Europe and the United States, and are rapidly gaining popularity in China, driven by relevant regulations.

1. Buses and Long-Distance Coaches
Application Characteristics: Almost all high-end buses and tourist buses use air suspension systems.

Core Advantages: They significantly improve passenger comfort and reduce fatigue during long journeys.

2. Trucks, Trucks, and Semi-Trailers
Application Characteristics: Regulations have mandated the installation of air suspension on the rear axles of heavy-duty trucks, semi-trailers, and tractors, particularly those transporting dangerous goods.

Core Advantages:

1. Automatic Load Leveling: Maintains vehicle leveling regardless of load, ensuring full suspension travel and reducing uneven tire wear.

2. Protects Delicate Cargo: Prevents damage to delicate instruments, electronic equipment, or fragile items caused by bumpy roads, reducing the risk of cargo damage.

3. Roadworthiness: Effectively controls dynamic wheel loads, minimizing wear on the road surface.

Air Suspension Spring 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.