Description
Product Overview
The TORQUE Air Spring Bag (model TR9039) is engineered to meet the demanding requirements of heavy‑duty commercial vehicles. Each bag in this 2‑pack set incorporates 25 % stronger 4140 grade steel studs, providing a robust framework that resists deformation under high loads. The rubber component is a premium 4.5‑5 mm thickness, surpassing original equipment manufacturer specifications and delivering exceptional durability and leak resistance. With a total weight of 24.8 pounds per bag and compact package dimensions of 20 × 15 × 10 inches, the product is easy to handle and store. The design features a reversible sleeve and rolling lobe configuration, allowing for flexible installation on a variety of chassis types. All critical dimensions—including an extended height of 21.70 inches, compressed height of 7.30 inches, top plate width of 9.00 inches, and piston width of 11.06 inches—are carefully calibrated to match OEM standards, ensuring a seamless fit and optimal performance.
Usage
These air spring bags are intended for use on medium to large trucks, trailers, and industrial equipment that rely on air suspension systems for load leveling and ride comfort. They are suitable for applications ranging from long‑haul freight carriers to construction machinery that operates in rugged environments. The bags excel in scenarios where frequent loading and unloading cycles place significant stress on suspension components. By replacing worn or damaged OEM air springs with TORQUE’s high‑strength units, operators can reduce downtime, improve vehicle stability, and extend the service life of the entire suspension system. The product is also compatible with a broad range of OEM part numbers, including Firestone 9039, Goodyear 1R12‑095, and various Hendrickson part numbers, making it a versatile solution for fleet maintenance programs.
Why Choose Us
Choosing TORQUE means selecting a brand that prioritizes quality, reliability, and customer support. Our air spring bags undergo a rigorous leak test protocol after final assembly, achieving the highest leak‑test ratio in the industry. The use of 4140 grade steel studs not only enhances load‑bearing capacity but also provides superior resistance to fatigue and corrosion, which is critical for vehicles operating in harsh climates. Additionally, TORQUE offers an industry‑first three‑year unlimited‑mile warranty on rolling lobe and reversible sleeve air springs, reflecting our confidence in product durability. Our dedicated technical support team is available to assist with fitment verification, installation guidance, and after‑sales service, ensuring that customers receive comprehensive assistance throughout the product lifecycle.
Key Features
- 25 % stronger 4140 grade steel studs provide exceptional load capacity and durability.
- 4.5‑5 mm high‑grade rubber exceeds OEM specifications for superior leak resistance.
- Reversible sleeve design allows flexible installation on multiple chassis configurations.
- Comprehensive three‑year unlimited‑mile warranty ensures long‑term peace of mind.
- Dedicated technical support and easy part‑number identification simplify maintenance.
FAQ
What OEM part numbers does this air spring bag replace?
The TORQUE TR9039 bag is compatible with a wide range of OEM part numbers, including Firestone 9039, Firestone W01‑358‑9039, Goodyear 1R12‑095, Hendrickson S‑2064, S‑11650, and many others listed in the product details. Always verify the part number with your dealer before purchase.
How does the 4140 steel stud construction improve performance?
4140 grade steel is known for its high tensile strength and resistance to fatigue. By using this material for the studs, the air spring bag can handle higher dynamic loads, resist deformation under heavy weight, and maintain its structural integrity over a longer service life compared to standard steel components.
Can I install these bags myself, or do I need a professional?
While the installation process is straightforward for experienced technicians, we recommend professional installation to ensure proper fitment and safety. Our technical support team can provide detailed installation instructions and answer any questions you may have.
What is included in the three‑year unlimited‑mile warranty?
The warranty covers any defects in materials or workmanship for three years, regardless of mileage. If a leak or failure occurs due to manufacturing issues, TORQUE will replace the affected air spring bag at no cost to the customer.
Are these air spring bags suitable for off‑road or extreme temperature conditions?
Yes. The combination of high‑grade steel studs and thick rubber provides excellent resistance to temperature extremes, UV exposure, and abrasive environments, making the bags well‑suited for off‑road applications and harsh climates.
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