| Firestone | W01-358-9367 |
| Firestone | W013589367 |
| Firestone | W01 358 9367 |
| Contitech | 4159NP05 |
| Contitech | 4159 NP 05 |
| Goodyear | 1R12-283 |
| 4159NP05 | 1R12-256 |
Airtech 39367K
Triangle 8505/6367
Watson&Chalin AS-0104/0137
Hendrickson: 003319
GUOMAT 1T9367 Technical parameters
❶ Screw Bolt / Stud
Top Cover Plate screw bolt / Stud Tooth :1/4NPTF,3/4-16UNF,1/2-13UNC
Screw Center Distance of Top Cover Plate : 157 mm
❸ Cover Plate
Top Cover Plate Diameter: Ø231 mm
❹Rubber Bellows
Rubber Bellows Natural Diameter: 257 mm
Rubber Bellows Natural Height: 345 mm
❻ Bottom Piston
Bottom Piston Diameter : Ø260mm
Bottom Piston Height :188 mm
❼ Piston Bolt
Piston Bolt Tooth : 4pcs 1/2-13UNC
4 pieces of Bolt
Preventative Maintenance Air Springs
1. Check the air spring outer diameter. Check for irregular damaged cracks
2. Check the air pipe. Make sure there is no contact between the air tube and the outer diameter of the air spring.
3. When the air spring is at its maximum outer diameter, check whether the gap around it is sufficient.
4. Check whether there is accumulation of foreign matter on the outer diameter of the piston
5. The correct suspension height should be maintained.
6. The height valve (height control valve) plays an important role in keeping the entire air spring system working as required. Clean, inspect or replace if necessary.
7. Check whether the shock absorber is installed correctly, and check whether there is oil leakage and whether the end connecting parts are damaged.
8. Check the tightening of all mounting hardware (nuts, screws)
W01-358-9367 Firestone Truck Air Spring
| Extended Height | 27.60 inches |
| Compressed Height | 6.20 inches |
| Top Plate Number | 3188 |
| Top Plate Width | 9.00 inches |
| Piston Number | 9653 |
| Piston Width | 10.25 inches |
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