1T14
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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| Dayton | Firestone | Flex Number | Piston | Piston Type | Top Plate Feature | Bottom Plate Feature | Top Plate Dia | Bottom Plate Dia | Collapsed Height | Comments |
| 352-2131 | W01-358-2131 | 1T14C-1 | 9491 | — | 2 | 1 | 6.31 | 7.00 | 3.20 | |
| 352-5323 | W01-358-5323 | 1T14C-1 | 9708 | A | 2 | 1 | 6.31 | 7.26 | 5.40 | |
| 352-2119 | W01-358-2119 | 1T14C-1 | 9491 | — | 2 | 1 | 6.31 | 7.00 | 3.20 | |
| 352-2120 | W01-358-2120 | 1T14C-1 | 9651 | A | 2 | 3 | 6.31 | 7.25 | 4.90 | |
| 352-5311 | W01-358-5311 | 1T14C-1 | 9708 | A | 3 | 1 | 6.31 | 7.28 | 5.40 | |
| 352-5310 | W01-358-5310 | 1T14C-1 | 9708 | A | 3 | 1 | 6.31 | 7.28 | 4.70 | 1R8-009 1R9-041 |
| 352-5343 | W01-358-5343 | 1T14C-1 | 9651 | A | 3 | 3 | 6.31 | 7.25 | 4.92 | |
| 352-5348 | W01-358-5348 | 1T14C-3 | — | — | — | — | — | — | — | |
| 352-5433 | W01-358-5433 | 1T14C-3 | 9778 | A | 1 | 3 | 6.31 | 7.29 | 6.00 | |
| 352-5434 | W01-358-5434 | 1T14C-3 | 9708 | A | 2 | 1 | 6.31 | 7.26 | 5.40 | |
| 352-5436 | W01-358-5436 | 1T14C-3 | 9708 | A | 2 | 1 | 6.31 | 7.26 | 5.90 | |
| 352-9478 | W01-358-9478 | 1T14C-3 | 9493 | P | 2 | 1 | 6.31 | 7.00 | 5.40 | |
| 352-5409 | W01-358-5409 | 1T14C-3 | 9708 | A | 2 | 1 | 6.31 | 7.25 | 4.70 | 1R9-003 |
| 352-5406 | W01-358-5406 | 1T14C-3 | 9708 | A | 2 | 1 | 6.31 | 7.26 | 4.70 | 1R9-038 |
| 352-5414 | W01-358-5414 | 1T14C-3 | 9778 | A | 2 | 2 | 6.31 | 7.29 | 6.80 | |
| 352-5410 | W01-358-5410 | 1T14C-3 | 9778 | A | 2 | 2 | 6.31 | 7.29 | 6.80 | 1R9-070 |
| 352-5423 | W01-358-5423 | 1T14C-3 | 9651 | A | 2 | 3 | 6.31 | 7.25 | 4.90 | |
| 352-5408 | W01-358-5408 | 1T14C-3 | 9708 | A | 3 | 1 | 6.31 | 7.26 | 4.70 | |
| 352-5422 | W01-358-5422 | 1T14C-3 | 9708 | A | 3 | 1 | 6.31 | 7.26 | 5.40 | |
| 352-5405 | W01-358-5405 | 1T14C-3 | 9708 | A | 3 | 1 | 6.31 | 7.26 | 4.70 | 1R8-005 1R9-040 |
| 352-5412 | W01-358-5412 | 1T14C-3 | 9778 | A | 3 | 3 | 6.31 | 7.29 | 6.80 | |
| 352-8868 | W01-358-8868 | 1T14C-5 | 9651 | A | 1 | 3 | 6.31 | 7.26 | 5.00 | |
| 352-5336 | W01-358-5336 | 1T14C-5 | 9778 | A | 2 | 2 | 6.31 | 7.29 | 6.10 | |
| 352-5335 | W01-358-5335 | 1T14C-5 | 9778 | A | 2 | 3 | 6.31 | 7.29 | 6.80 | |
| 352-5354 | W01-358-5354 | 1T14C-5 | 9651 | A | 2 | 3 | 6.31 | 7.26 | 4.90 | |
| 352-5730 | W01-358-5730 | 1T14C-6 | 9798 | — | 2 | 1 | 6.31 | 7.25 | 4.70 | |
| 352-8977 | W01-358-8977 | 1T14C-6 | 9754 | A | 2 | 1 | 6.31 | 6.50 | 6.90 | |
| 352-8979 | W01-358-8979 | 1T14C-6 | 9754 | A | 2 | 1 | 6.31 | 6.50 | 6.90 | |
| 352-8875 | W01-358-8875 | 1T14C-6 | 9754 | A | 3 | 1 | 6.31 | 6.50 | 6.90 | |
| 352-5702 | W01-358-5702 | 1T14C-7 | 9754 | A | 2 | 1 | 6.31 | 6.50 | 6.90 | |
| 352-5721 | W01-358-5721 | 1T14C-7 | 9798 | — | 2 | 1 | 6.31 | 7.25 | 7.76 | |
| 352-5426 | W01-358-5426 | 1T14C-7 | 9778 | A | 2 | 2 | 6.31 | 7.29 | 6.80 | |
| 352-5712 | W01-358-5712 | 1T14C-7 | 9708 | A | 3 | 1 | 6.31 | 7.26 | 4.60 | 1R8-020 |
| 352-5710 | W01-358-5710 | 1T14C-7 ST 3/4CF P | 9708 | A | 2 | 1 | 6.31 | 7.25 | 4.70 | 1R8-034 |
| 352-5429 | W01-358-5429 | 1T14C-8 | 9754 | A | 3 | 1 | 6.31 | 6.50 | 6.80 | |
| 352-8990 | W01-358-8990 | 1T14CB-0 | 9555 | P | 2 | 1 | 6.31 | 7.00 | 3.75 | |
| 352-5298 | W01-358-5298 | 1T14CB-1 | 9508 | — | 2 | 1 | 6.31 | 7.00 | 4.70 | |
| 352-8992 | W01-358-8992 | 1T14CB-1 | 9491 | — | 2 | 1 | 6.31 | 7.00 | 3.70 | |
| 352-8997 | W01-358-8997 | 1T14CB-1 | 9491 | P | 2 | 1 | 6.31 | 7.00 | 3.70 | 1R9-019 1R9-065 |
| 352-5297 | W01-358-5297 | 1T14CB-1 | 9491 | — | 3 | 1 | 6.31 | 7.00 | 3.70 | |
| 352-5319 | W01-358-5319 | 1T14CB-1 | 9493 | P | 3 | 1 | 6.31 | 7.00 | 5.40 | |
| 352-5700 | W01-358-5700 | 1T14CP-6 | — | — | — | — | — | — | — |
* Service Assembly Numbers: Use only Firestone® Pistons
