Firestone Sealed Air Pressure Switch 110-145 PSI — Universal Suspension

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SKU: FIR9402
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Firestone

Firestone engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Firestone lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Pressure Control for Air Systems

Ensure your air suspension system operates within the ideal range with the Firestone Sealed Air Pressure Switch. This critical component is designed to automatically manage your compressor, turning it on at 110 PSI and off at 145 PSI. By maintaining this consistent pressure range, you protect your air springs and compressor from over-inflation or performance drops, ensuring a smoother ride and reliable load-carrying capability.

Why Choose Firestone Switches?

  • Operating Range: 110 PSI (On) to 145 PSI (Off)
  • Design: Sealed construction to prevent moisture and debris damage
  • Reliability: Engineered for long-term, consistent performance
  • Compatibility: Universal fit for most air compressor systems
  • Safety: Prevents system over-pressurization

Firestone has been a leader in air suspension technology for over 70 years, and this pressure switch reflects that legacy of innovation. The sealed design is essential for under-vehicle mounting, where exposure to water, salt, and road grime is common. By choosing a genuine Firestone switch, you are investing in the longevity of your entire air management system. Whether you are hauling heavy loads or adjusting for terrain, this switch provides the automated control necessary for a safe and stable driving experience. Upgrade your air management setup with high-quality components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Firestone

Firestone engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Firestone lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Pressure Control for Air Systems

Ensure your air suspension system operates within the ideal range with the Firestone Sealed Air Pressure Switch. This critical component is designed to automatically manage your compressor, turning it on at 110 PSI and off at 145 PSI. By maintaining this consistent pressure range, you protect your air springs and compressor from over-inflation or performance drops, ensuring a smoother ride and reliable load-carrying capability.

Why Choose Firestone Switches?

  • Operating Range: 110 PSI (On) to 145 PSI (Off)
  • Design: Sealed construction to prevent moisture and debris damage
  • Reliability: Engineered for long-term, consistent performance
  • Compatibility: Universal fit for most air compressor systems
  • Safety: Prevents system over-pressurization

Firestone has been a leader in air suspension technology for over 70 years, and this pressure switch reflects that legacy of innovation. The sealed design is essential for under-vehicle mounting, where exposure to water, salt, and road grime is common. By choosing a genuine Firestone switch, you are investing in the longevity of your entire air management system. Whether you are hauling heavy loads or adjusting for terrain, this switch provides the automated control necessary for a safe and stable driving experience. Upgrade your air management setup with high-quality components from GGCRACING.

Product Details

Product Description

About Firestone

Firestone engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Firestone lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Pressure Control for Air Systems

Ensure your air suspension system operates within the ideal range with the Firestone Sealed Air Pressure Switch. This critical component is designed to automatically manage your compressor, turning it on at 110 PSI and off at 145 PSI. By maintaining this consistent pressure range, you protect your air springs and compressor from over-inflation or performance drops, ensuring a smoother ride and reliable load-carrying capability.

Why Choose Firestone Switches?

  • Operating Range: 110 PSI (On) to 145 PSI (Off)
  • Design: Sealed construction to prevent moisture and debris damage
  • Reliability: Engineered for long-term, consistent performance
  • Compatibility: Universal fit for most air compressor systems
  • Safety: Prevents system over-pressurization

Firestone has been a leader in air suspension technology for over 70 years, and this pressure switch reflects that legacy of innovation. The sealed design is essential for under-vehicle mounting, where exposure to water, salt, and road grime is common. By choosing a genuine Firestone switch, you are investing in the longevity of your entire air management system. Whether you are hauling heavy loads or adjusting for terrain, this switch provides the automated control necessary for a safe and stable driving experience. Upgrade your air management setup with high-quality components from GGCRACING.

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