Some Freightliner air bags can be found with the number 1T15ZR-3 on the rubber. If your air bag has this number, check the diameter of the base. If it’s 9.75″, you’ll want this air bag. If it’s 10.62″, you’ll want part number 280-9780 or 280-9781 shown below. The only difference between those two air bags is the base material.
Firestone offers a complete line of Airide springs, with replacement springs available for virtually every air suspension system on the market today.
Features and Benefits
- Require little to no maintenance
- Pressure tested for quality assurance
- Increase towing and hauling capabilities
- Replace worn out oem air bags
- Increase life of other suspension components
- Firestone Bellows Number: 1T15TQ-1
- Firestone Part Number: W01-358-9586
- Replaces: SAF Holland 90557221Cross References: 90557249, W01-358-9586, W013589586, W01 358 9586, 90557221, W01-358-5776, W013585776, W01 358 5779
A cross reference listing means that this air bag may be a suitable replacement for the part numbers listed. Please double check the dimensions and location of mounting holes and stud to be sure the air bag will work in your application.
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