W01-358-7731 Firestone Single Convoluted Air Spring Style 131 Air Ride Suspension
W01-358-7731 Firestone Single Convoluted Air Spring Style 131 Air Ride Suspension
Product Description
Brang: GUOMAT
Part No.: 1B7731
Compatible Model: Firestone W01-358-7731
Compatible Model: Firestone W01 358 7731
Compatible Model: Firestone W013587731
Compatible Model: Firestone WO1-358-7731
Compatible Model: Firestone WO1 358 7731
Compatible Model: Firestone W0O13587731
Compatible Model: Firestone Style 131
Temperature Range: -40°F to +158°F (-40°C to +70°C)
GUOMAT 1B7731 Suspension Air Spring Technical Data
The diameter of the top and bottom covers of GUOMAT 1B7731 is 115mm, and the air hole is located in the center of the top revision, with a specification of 1/4NPTF. The threaded hole specifications of the top and bottom covers are 3/8-16UNC, and the center distance between the two threaded holes is 44.5mm. The maximum outer diameter of the air spring is 165mm, the maximum height is 115mm, the minimum height is 50mm, and the compressed height is 65mm.
Models with the same rubber bellow number:
| Product Information | Model Number | |
| Style 131 | Blind nuts,1/4NPT | W01-358-7731 |
| Blind nuts,3/4NPT | W01-358-7742 | |
| Socket head aluminum bead rings (bolts, nuts, washers not included-use 1/4 cap screws) | W01-358-0127 | |
| Two Ply Bellows | 3/4 NPT (only) upper plate, blind nuts lower plate | W01-358-7729 |
| Rubber bellows only | W01-358-0131 | |
Key Features and Benefits of Suspension Air Springs
- Perfect Replacement – 100% compatible with Firestone W01-358-7731, ensuring seamless installation and superior performance.
- High-quality materials – Reinforced rubber + high-strength cord layers to withstand extremely high pressures
- Extended Service Life – Corrosion-resistant, UV-resistant and weatherproof design for harsh environments.
- Smooth Ride – Excellent damping effect, reduces vibration and noise.
How to Buy
- Option 1: Small order
- Please send the model and quantity to our sales team.
- We will provide you with a quote.
- If you need to ship through us, please provide the detailed address and we will check the shipping cost for you.
- Our payment methods are: T/T, Western Union, PayPal, etc.
- After completing the payment, we will arrange the shipment for you and send you the shipping number
Option 2: Large quantity order
- Please send the model and quantity to our sales team.
- Then we will quote you and confirm the delivery time
- You pay 30% of the payment first, and we arrange production for you
- After the production is completed, we will provide you with the packing information, and then you pay the 70% balance
- After the shipment is completed, provide you with the bill of lading
The Real Picture
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

