W01-358-9415 Firestone Truck Air Spring 1R11-018 Goodyear Air Suspension Pneumatique

Product Description

Cross Reference Number

CONTI

99-14A322

DAYTON

352-9073

352-9415

FIRESTONE

9073

9415

W013589415

HENDRICKSON

B-7193

INT'L/NAVISTAR

554761CI

KENWORTH

K-102-A

K-303-5

LOAD GUARD

1003589073C

1013580708C

TAURUS

AS103-9073

TRIANLE

8322

GOODYEAR

1R11-018

Air Spring 554761C1 8322 9415 AB-1R11-018 AS9415 CS111018 4351 0701 10-99415 E-FS9415 E-FS0701 SC2049 K-303-5 10-99415 10-99073 E-FS9415 E-FS0708 E-FS0701 E-FS9073 0708 9415 0701 B-7193 AB-1R11-018 K-303-5 K-102-A SC2049 554761C1 1013580708C 1003589073C AS103-9073 4351 8322

Technical Data

Bottom Plate/Pison Type: Steel
Top Plate Hole/Stud Qty: 2
Top Plate Dia: 7.5
Top Plate C to C Diameter: 4.76
Bottom Plate Hole Stud Qyt: 2
Bottom Plate Dia: 10.12
Bottom Plate C to C Diameter: 4.12
Bottom Plate Part #: 566-20-7-079
Bottom Plate Alignment: Parallel
Bumper: No
Bracket: N/A
Min Height: 7.2
Max Height: 18.5

Why Install Air Springs on Trucks?

The installation of air springs (air suspension systems) on trucks is primarily based on the following technical and practical reasons. They can significantly improve vehicle performance, safety, and economy:

1. Improved ride smoothness and comfort

Shock absorption: Air springs use compressed air to cushion road impacts. Compared to traditional leaf springs, they significantly reduce the amount of vibration transmitted to the vehicle frame and cargo, making them particularly suitable for long-distance transport or for transporting delicate cargo (such as electronics or fragile items).

Driver comfort: Reduces driver fatigue and improves comfort during extended driving.

2. Adaptive load adjustment
Automatic leveling: Air springs automatically adjust their height (by changing air pressure) based on the load weight to maintain vehicle levelness. For example, when unladen, they reduce air pressure to reduce jolts and when heavily loaded, they increase air pressure to maintain stability.

Cargo protection: Prevents cargo from shifting or being damaged by tilting the vehicle body.

3. Protects the vehicle and the road
Reduced chassis damage: Evenly distributes the load, reducing mechanical stress on the frame and suspension system and extending its life. Reduced Road Wear: Balanced axle pressure reduces concentrated road impact, particularly for compliance with regulatory axle load limits (such as the European ECE R106 standard).

4. Improved Safety and Handling
Stable Cornering/Braking: Suppresses body roll and nodding, enhancing stability at high speeds or during emergency braking.
Adapts to Complex Road Conditions: Maintains tire contact on rough or slippery roads, reducing the risk of skidding.

5. Energy Saving and Efficiency Optimization
Reduced Fuel Consumption: Reducing unnecessary body vibration optimizes power transmission and saves fuel (especially on highways).
Height Adjustment: For example, lowering the cargo bed allows for easier loading and unloading, or adjusting the tractor's height to match the trailer's.

6. Regulations and Industry Trends
Environmental Requirements: Some countries have strict standards for vibration damping and noise reduction for commercial vehicles, and air springs can help achieve compliance.
Industry Standard: Widely used in high-end logistics fleets and cold chain transport to ensure cargo integrity.

7. Special Applications
Precision Instrument Transportation: Vibration-sensitive cargo requires air suspension. Drop-and-hook transport: The chassis height can be quickly adjusted to suit different trailers.

Potential Disadvantages and Considerations
Higher Cost: Initial investment and maintenance costs are higher than leaf springs, but long-term benefits (such as reduced maintenance and reduced cargo damage) offset the cost.
Regular Maintenance Required: Check the air line seals and desiccant status to prevent leaks and winter freezing.