Guangzhou Guomat Air Spring Co., Ltd.
| Payment Terms | T/T,Western Union,Paypal or Others,L/C,D/A,D/P,MoneyGram |
| Supply Ability | 1000pcs/week |
| Delivery Time | 3-8 Working Days |
| Packaging Details | Strong Carton Box or as Customers Requirement |
| Brand | AIRSUSTECH |
| Product Number | 3B12-304 |
| Port Size | 1/4NPTF |
| Center Distance | 6.20 Inches |
| Stroke | 13.20 Inches |
| Color | Black |
| Sample | Available |
| Contitech | FT 330-29 430 |
| Brand Name | AIRSUSTECH |
| Model Number | 3B12-304 |
| Certification | ISO/TS16949:2009 |
| Place of Origin | Guangzhou, China |
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Product Specification
| Payment Terms | T/T,Western Union,Paypal or Others,L/C,D/A,D/P,MoneyGram | Supply Ability | 1000pcs/week |
| Delivery Time | 3-8 Working Days | Packaging Details | Strong Carton Box or as Customers Requirement |
| Brand | AIRSUSTECH | Product Number | 3B12-304 |
| Port Size | 1/4NPTF | Center Distance | 6.20 Inches |
| Stroke | 13.20 Inches | Color | Black |
| Sample | Available | Contitech | FT 330-29 430 |
| Brand Name | AIRSUSTECH | Model Number | 3B12-304 |
| Certification | ISO/TS16949:2009 | Place of Origin | Guangzhou, China |
| High Light | Industrial Convoluted Air Spring ，Leland Sc2132 Air Spring ，Goodyear Bellows Air Spring | ||
Industrial Convoluted Air Spring Leland Sc2132 Cross Goodyear Bellows 578-93-3-100
Quick Details
| Manufacturer | AIRSUSTECH |
| Bellow Type | triple convolutions |
| MOQ | 1 piece |
| Condition | 100% brand new |
| HS Code | 870880 |
| Function | reduce shock |
| Compatibility | universal |
The Technical Parameters of 3B12-304
Number of screws on the top cover: 2
Number of bottom cover screws: 2
Top cover plate screw (nut) tooth: 2×3/8-16UNC
Screw (nut) teeth of the bottom cover plate: 2×3/8-16UNC
Air hole/air inlet: 1/4NPTF
Top cover diameter: 9.00 inches
Top cover screw center distance: 6.20 inches
Diameter of bottom cover: 9.00 inches
Center distance of bottom cover plate screw: 6.20 inches
Minimum usable height: 4.8 inches
Max. usable height: 18.0 inches
Direct OEM Replacement For
Replace Firestone W01-358-8006 / WO1-358-8006 |
Replace Contitech FT 330-29 430 / FT330-29 430 |
Replace Goodyear 3B12-304 / 3B 12-304 |
| Replace Triangle 6334/4430 |
| Replace Leland Sc2132 |
| Replace Arvin Meritor 200320 |
Structure of AIRSUSTECH Air Springs
1. Basic Composition
As a rubber component, the air spring is formed by vulcanizing cord layers with inner/outer rubber coatings or steel wire rings to create a flexible body. Its elastic function is achieved by containing compressed air. Commonly known as air springs, rubber airbags, or pneumatic bags.
2. Assembly Configuration
The complete assembly consists of a rubber air spring, base plate, piston, and cushion mat, forming a sealed chamber when assembled.
3. Classification & Sealing
Categorized into three types by shape: capsule, diaphragm, and sleeve styles. Four sealing methods are employed: pressure self-sealing, flange clamping, hoop fastening, and hybrid designs.
4. Load-Bearing Structure
The shock absorber's load is primarily carried by the cord reinforcement. Standard products feature 2-ply cord construction, while special applications use 4-ply reinforcement. The inner rubber layer ensures sealing, while the outer layer provides both sealing and protective functions.
Product Images
Company Details
Business Type:
Manufacturer,Agent,Exporter
Year Established:
2005
Total Annual:
6999900-7999900
Employee Number:
159~179
Ecer Certification：
Verified Supplier
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&rsquo... 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&rsquo...
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