BlackTech air bag 9978 is designed to provide years and thousands of miles of trouble-free service and is backed by the best warranty in the industry. Drive Axle Air Springs substantially improve the ride and handling of the tractor, resulting in greater driver comfort and safety, less tractor maintenance, longer tire wear and higher trade-in value.

Product Features

• Replacement Air Spring for Firestone W01-358-9978
• Two year or 250,000 miles warranty.
• Allow perfect load equalization between axles; lets you run at the maximum legal limit. Smoother ride for payload, reducing costly insurance claims and the expense of over packaging.