Rubber Triple Bellows Down Air Bag Dayton Parts 3548008 1/4NPTF suspension Air Springs

Cross Reference

Firestone Part No. W01-358-8008; W01 358 8008; W013588008; WO1-358-8008; WO1 358 8008; WO13588008

Contitech FT 330-29 431; FT 330 29 431; FT330-29 431; FT330 29 431; FT33029 431; FT33029431

Goodyear Part No. 3B12-300; 3B12 300; 3B12300;

Goodyear 578933100

Triangle 6334

Triangle 4431

Watson&chalin AS-0019; AS 0019; AS0019

Dayton 3548008; 354-8008

Leland Sc2130; SC2130

Ridewell 1003588008C

Silent Drive AS-0019; AS 0019

Hendrickson S11637

Hendrickson NS50 1690

EZ RIDE 8030155

SAF Holland 57008008

Tuthill 6392

Histeer/Langes

Triple convoluted air bags/suspension air spring are most commonly used on trailer lift axles. They have 3 bellows on top of each other and are larger than your typically air spring. We carry a large inventory of triple convoluted air springs and can help get your truck or trailer back on the road quick.

Specifications and Detailed Technical Parameters: 3B8008

1. Bolt/Stud on top cover: 3/8-13UNC

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

The diatance between the two studs: 140mm

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

Bottom plate screw center distance : 157.5 mm

3. Top/Bottom plate diameter (width): 231mm

4. Rubber bellows diameter: 295mm

5. Height: 297mm

6. Bumper block/bumper block without bumper
7. 2 pieces of belt loop/girdle hoop/girdle ring

Packaging

The phenomenon of air spring

Rubber Damage from Chemicals

• Grease and oil are common examples that can cause this condition after prolonged contact with the rubber flexible member.

Possible causes:
1. Excessive oil in the air supply.
2. Excessive greasing of universal joints.
3. Excessive greasing of the fifth wheel.
4. Leaking seals in suspension components.
5. Use of petroleum based cleaners on the air spring (use only soap and water for cleaning).

External Abrasion
• A hole rubbed into the side of the bellows.
Possible causes:
1. Bellows contact with components on the vehicle (such as air lines).
2. Road dirt and debris.
3. Worn or failed parts in the suspension.
(1) Worn bushing
(2) Broken shock
(3) misalignment
4. Leak or pinch in air line causing spring to be under-inflated.

The related picture of 3B8008

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.