Direct Replacement Firestone W01-358-7484 Rubber Air Spring for Spin Washing Machines

Product Dimensions

[1] Compressed Height: 2.1 inches

[2] Extended Height: 6 inches

[3] Total Stroke: 3.9 inches

[4] Cover Plate Width: 4.50 inches

[5] Center-to-Center Distance: 1.75 inches

[6] Thread Type: 2×3/8-16UNC

[7] Air Hole Standard: 3/4 NPT

[8] Maximum Outer Diameter: 8.1 inches

[9] Material: rubber and steel

[10] Warranty: one year

Other OEM Numbers

• W01-358-7484, W013587484, W01 358 7484:

Blind nuts, 3/4NPT

• W01-358-7451, W013587451, W01 358 7451:

Blind nuts, 1/4NPT

• W01-358-0112, W013580112, W01 358 0112:

Socket head aluminum bead rings (bolts, nuts, wahsers not included-use 1/4 cap screws)

• W01-358-0100, W013580100, W01 358 0100:

Rubber bellows only

​​Innovative Applications of Rubber Air Springs​​

1. Rubber air springs have become a transformative technology across multiple industries due to their superior performance and adaptability. In vehicle suspension systems, they form the core of advanced air suspension setups, increasingly adopted in premium buses, cars, and tractors. These systems automatically adjust ride height while maintaining consistent vehicle posture, leveraging the air spring's low natural frequency to deliver unmatched ride comfort. The exceptional vibration isolation protects both the vehicle and sensitive onboard equipment, while significantly reducing road impact forces by up to 35%, extending pavement lifespan. As China's air suspension technology matures and new bus quality regulations take effect, automotive applications are poised for substantial growth.
2. In lifting equipment, rubber air springs are revolutionizing traditional hydraulic systems. Their compact design requires 60% less installation space compared to conventional cylinders while eliminating leakage risks entirely. The maintenance-free operation and extended service life make them ideal for material handling applications, where they're rapidly replacing outdated hydraulic solutions.
3. For vibration control, rubber air springs excel in demanding industrial environments. They effectively isolate both high-frequency vibrations in machinery like vibrating screens (achieving 98% vibration reduction) and low-frequency oscillations in luxury vehicle seats. The specialized multi-ply reinforced construction ensures reliable performance even after 10,000 hours of continuous operation.
4. Recent technological advancements include smart pressure regulation systems, graphene-enhanced rubber compounds for improved durability, and modular quick-change designs that minimize downtime. With upcoming regulatory changes mandating air suspension in certain vehicle classes, rubber air springs are set to play an increasingly vital role in industrial and transportation systems worldwide.

We Have Other Single Convoluted Industrial Air Springs

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