Item : Rolling Lobe Air Spring
Item Number : 1T8646
Working Tempreature : -40°C bis +70°C
Failure Testing : ≥3 millions
Reference Numbers
| Firestone | W01-358-8646 |
| | W01 358 8646 |
| | W013588646 |
| | WO1-358-8646 |
| | WO1 358 8646 |
| | WO13588646 |
| | 1T15M-2 |
| QIND | RT1320325A1 |
GUOMAT 1T8646 Truck Air Suspension Spring Technical Data
The diameter of the upper cover is 231mm, the screw specification is 1/2-13UNC, the combination stud specification is 1/4NPTF and 3/4-16UNF, and the center distance between the screw and the combination stud is 157mm. The base width is 248mm, the threaded hole specification is 4pcs M12X1.75, the center distance between the threaded holes is 200mm, and the base height is 95mm. The natural outer diameter is 262mm, the maximum height is 381mm, and the minimum height is 150mm.
How to Install Truck Air Springs
1. Determine the Air Spring for Your Truck Model
First, you need to determine the air spring for your truck model. You can refer to the truck manufacturer's recommendations or consult a professional auto repair technician for accurate information.
2. Prepare the Required Tools and Materials
Before installing the air spring, you need to prepare some tools and materials, such as wrenches, jacks, safety supports, bolts, and gaskets. Make sure you have the right tools and materials to complete the installation process smoothly.
3. Remove the Original Suspension System
Before installing the new air spring, you need to remove the original suspension system. This may involve steps such as removing the wheel and loosening the connection bolts of the suspension system.
4. Install the New Air Spring
Once the original suspension system is removed, you can start to install the new air spring. According to the model of air spring you purchased and the manufacturer's instructions, install it correctly to the vehicle's suspension system. Make sure all connection bolts and gaskets are installed correctly and tightened with the correct torque.
5. Test and Adjust
After installation, test and adjust to ensure that the air spring is working properly. You can achieve the desired suspension effect through proper air pressure adjustment.
Firestone Truck Air Spring
| Bellows NO. | Part NO. | Bellows NO. | Part NO. |
| 1T15M-2 | W01-358-9807 | 1T15M-2 | W01-358-7667 |
| 1T15M-2 | W01-358-8197 | 1T15M-2 | W01-358-8198 |
| 1T15M-2 | W01-358-8201 | 1T15M-2 | W01-358-8203 |
| 1T15M-2 | W01-358-8204 | 1T15M-2 | W01-358-8207 |
| 1T15M-2 | W01-358-8878 | 1T15M-2 | W01-358-8930 |
| 1T15M-2 | W01-358-8931 | 1T15M-2 | W01-358-8932 |
| 1T15M-2 | W01-358-8934 | 1T15M-2 | W01-358-8935 |
| 1T15M-2 | W01-358-8991 | 1T15M-2 | W01-358-9053 |
| 1T15M-2 | W01-358-9078 | 1T15M-2 | W01-358-9105 |
| 1T15M-2 | W01-358-9113 | 1T15M-21 | W01-358-9118 |
| 1T15M-2 | W01-358-9302 | 1T15M-2 | W01-358-9325 |
| 1T15M-2 | W01-358-9365 | 1T15M-2 | W01-358-9366 |
| 1T15M-2 | W01-358-9556 | - | - |
