1S4-056 Goodyear Suspension Air Spring Replacement W023587040 Firestone Cab Air Bag
Product Name: Cab Air Spring
Model: G4056
Use Location: Rear / Front
GUOMAT G4056 can replace the following models:
- GOODYEAR: 1S4-056 / 1S 4-056 / 1S4 056 / 1S4056
- GOODYEAR: ASC-08-7-194
- FIRESTONE: W02-358-7040 / W02 358 7040 / W023587040
- FIRESTONE: WO2-358-7040 / WO2 358 7040 / WO23587040
- CONTITECH: 70019
- CONTITECH: SC29-0040 / SC 29-0040 / SC29 0040 / SC290040
- KNOEDLER: 7010
- SEATS: 707338
- SEATS: S5388
| Top cover diameter | 2.65 inches |
| Top assembly studs | .750-16UNC (Outside) .125-27 NPT (Inside) |
| Base cover diameter | 2.12 inches |
| Base threaded hole | .500-13UNC |
| Maximum height | 10.5 inches |
| Minimum height | 4.0 inches |
When cab air springs become worn or lose their elasticity, drivers often notice increased vibration, cabin noise, and a rougher driving experience. Replacing the old air springs with a new unit such as the GUOMAT cab air spring can significantly improve the overall comfort of the truck cabin.
After installation, drivers commonly report several noticeable improvements during daily operation:
- Smoother Ride on Rough Roads - The new air spring absorbs road shocks more effectively, reducing the vibration transmitted from the chassis to the cab. This makes driving on uneven roads feel much smoother.
- Reduced Driver Fatigue - Long-distance truck drivers spend many hours behind the wheel. A properly functioning cab air spring helps reduce continuous vibration, allowing drivers to feel less tired after long journeys.
- More Stable Cabin Movement - With a new air spring installed, the cab moves more smoothly with the suspension system, especially during braking, acceleration, and driving over bumps.
- Quieter Cabin Environment - Better vibration isolation helps reduce rattling and noise inside the cab, creating a more comfortable driving environment.
For professional drivers and fleet operators, replacing worn cab air springs is a simple upgrade that can make a noticeable difference in driving comfort and vehicle performance.
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