Firestone Coil-Rite 4108 Rear Air Bags. 20 00-2020 Yukon XL. 2015 -2020 Yukon XL. If you are looking for a smoother ride for your vehicle that has a coil spring suspension, Firestone Coil-Rite air helper springs are what you need. Of load level capacity. Why Do You Need Coil-Rite Air Bags? Some photos may not be actual part. The durability of Firestone air springs is such that they will often outlast other maintenance items on your suspension, such as bushings, shocks and other components. Ride-Rite air springs are warranted to be free of material defects and/or workmanship for as long as the original purchaser owns the vehicle on which it was originally installed. The hardware and brackets which accompany the air spring are warranted for a period of twenty-four (24) months or 24,000 miles whichever occurs first. Replacement parts determined by Firestone to be warrantable may be provided by Firestone. All labor and incidental costs associated with replacing the defective air spring are the responsibility of the consumer. C hec k Out our Awesome Feedback. All presumed defective or wrong items must obtain a Return Merchandise Authorization Number before returning. If you decide for whatever reason you would like to return any UNDAMAGED, UNUSED, UNOPENED item back to us. We will accept it. For the Continental U. Our Friends across the U. The free listing tool.