Triple Bellow – Firestone



Firestone Triple Bellow Air Springs

Enter Goodyear, Firestone, or OEM Air Spring Number

Save $20 When You Purchase $200 or more on Firestone Air Springs!

We stock more air springs that are not listed on our web pages. If you don’t find an air spring part number that matches your needs, please use our Contact Form to find out if a Firestone air bag is available for your truck. Also, please use our contact form to inquire about quantity purchases of air bags and air bags not listed in our catalog. We offer replacement Firestone suspension air bags and Hendrickson air springs. Please indicate any suspension air spring part number information on the inquiry form.


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Firestone Triple Bellow Air Springs

Firestone Flex Number Piston Top Plate Bottom Plate
wdt_ID Firestone Flex Number Piston Top Plate Bottom Plate Top Plate Dia Bot Plate Dia Collapsed Hght Comments
1 312C 4299 15.13 15.13 4.30
2 312C
3 312C 3472 5 4 13.79 13.79 5.00
4 313C 3122 5 4 11.31 11.31 4.80 3B14-359
5 313D 3122 2 4 11.31 11.31 6.40 3B14-367
6 313D 3389 2 4 11.31 11.31 4.60
7 313D 3130 4 5 11.31 11.31 4.80 3B14-356
8 313D 3130 5 4 11.31 11.31 4.00 3B14-350 3B14-354
9 313D 3122 5 4 11.31 11.31 4.00 3B14-360
10 320C 3474 5 4 19.00 19.00 5.00