Trailer Air Spring Bag (Replaces Firestone W01-358-9580, Hendrickson S-20127, S-20414)

The Ultimate Trailer Air Spring Bag for Heavy-Duty Suspension Systems!

Ensure optimal performance and durability for your trailer’s suspension with the TORQUE Trailer Air Spring Bag. Designed as a direct replacement for Firestone 9580, W01-358-9580, Hendrickson S-20127, S-20414, C-20127, C-20414, and other compatible models, this high-quality air spring bag exceeds OEM requirements. Built with premium materials, including 4.5-5.00 mm thick rubber, 25% stronger 4140-grade steel studs, and stronger composite pistons, it’s engineered to handle heavy loads and harsh conditions. Backed by an industry-leading 3-year unlimited mile warranty, this air spring bag is the perfect solution for reliable suspension performance.

Quality Assurance:

• Durable Construction: 4.5-5.00 mm thick rubber that exceeds OEM requirements.

• Enhanced Strength: 25% stronger 4140-grade steel studs and stronger composite pistons.

• Easy Identification: Part number permanently engraved on the rubber for easy reference.

• Leak-Free Performance: Highest leak test ratio after final assembly.

Product Specifications:

• Extended Height: 24.20"

• Compressed Height: 7.40"

• Top Plate Width: 10.38"

• Piston Width: 10.75"

• Weight: 25.20 lbs

Compatibility:
This air spring bag is a direct replacement for the following part numbers:

• Firestone W01-358-9580

• Goodyear 1R13-118, 1R13-144, 1R13-081

• Triangle AS-8434

• Contitech 1010-21P434

• Hendrickson S-20127, S-20414, C-20127, C-20414

• Automann 566.ER9580

• AS9580, HDV9580, HD9580

• Sampa SP559580-K

Warranty Information:
Thanks to our superior quality and customer service, we are proud to offer the industry’s first 3-year unlimited mile warranty on our rolling lobe/reversible sleeve air springs. When you receive your air spring, please register it through the Torque Parts website to activate your warranty.

Fitment Guide:
To ensure the correct fit for your trailer, please:

1. Contact your dealer and obtain the part number.

2. Verify that this air spring bag replaces your current part number.

3. Refer to the diagram picture and confirm that all specifications match your existing air bag.

Important Note:
Avoid common mistakes by not purchasing based on make and model alone. Always verify the part number and specifications to ensure compatibility.

Why Choose TORQUE?

• Superior Quality: Exceeds OEM standards with premium materials and construction.

• Enhanced Durability: Stronger rubber, steel studs, and composite pistons for long-lasting performance.

• Extensive Compatibility: Replaces multiple part numbers for various brands.

• Industry-Leading Warranty: 3-year unlimited mile warranty for added peace of mind.

• Expert Support: Contact us for any fitment or warranty queries.

Upgrade your trailer’s suspension system with the TORQUE Trailer Air Spring Bag, designed for durability, performance, and peace of mind. Order now and experience the difference!