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Firestone Triple Convoluted Air Spring Chart

9/9/2016

Firestone Single Convoluted Air Spring Chart

Triple convoluted air bags are most commonly used on trailer lift axles. They have 3 bellows on top of each other and are larger than your typically air spring. We carry a large inventory of triple convoluted air springs and can help get your truck or trailer back on the road quick.

Part Top Plate Bottom Plate Top Bottom Collapsed Flexmember Piston Piston
Number Hole/Stud Hole/Stud Plate Dia. Plate Dia. Height

Type
Qty. Qty.






3B14-352 0 0 -
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578-93-3-350 -
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3B12-310 2 2 9 9 4.5 578-93-3-100 -
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3B12-319 2 2 9 9 4.5 578-93-3-100 -
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3B12-328 2 2 9 9 4.5 578-93-3-100 -
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3B12-329 2 2 9 9 4.5 578-93-3-100 -
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3B12-335 2 2 9 9 4.5 578-93-3-100 -
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3B12-342 2 2 9 9 4.5 578-93-3-100 -
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3B12-415 2 2 9 9 4.6 -
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3B12-416 2 2 9 9 4.6 -
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3B12-300 2 2 9 9 5.1 578-93-3-100 -
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3B12-303 2 2 9 9 5.1 578-93-3-100 -
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3B12-315 2 2 9 9 5.1 578-93-3-100 -
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3B12-324 2 2 9 9 5.1 578-93-3-100 -
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3B12-338 2 2 9 9 5.1 578-93-3-100 -
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3B14-452 2 2 11.3 11.3 4.9 556-33-8-335 -
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3B12-347 2 4 10.3 10.3 4.5 578-93-3-103 -
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3B12-323 2 4 10.3 10.3 4.6 578-93-3-103 -
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3B12-322 2 4 9 10.3 4.6 578-93-3-103 -
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3B12-312 2 4 9 9 4.5 578-93-3-100 -
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3B14-464 2 4 11.3 11.3 4.5 556-33-8-335 -
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3B14-364 2 4 11.3 11.3 4.9 578-93-3-350 -
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3B14-365 2 4 11.3 11.3 4.9 578-93-3-350 -
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3B14-451 2 4 11.3 11.3 4.9 556-33-8-335 -
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3B14-457 2 4 11.3 11.3 4.9 556-33-8-335 -
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3B14-367 2 4 11.3 11.3 6 578-93-3-350 -
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3B14-459 2 4 11.3 11.3 6 556-33-8-335 -
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3B12-325 3 2 10.3 10.3 4.5 578-93-3-103 -
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3B12-304 3 2 9 9 4.7 578-93-3-100 -
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3B12-305 3 2 9 9 4.8 578-93-3-100 -
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3B12-301 3 2 9 9 5.1 578-93-3-100 -
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3B14-450 5 4 11.3 11.3 4.5 556-33-8-335 -
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3B14-455 5 4 11.3 11.3 4.5 556-33-8-335 -
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3B14-354 5 4 11.3 11.3 4.7 578-93-3-350 -
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3B14-360 5 4 11.3 11.3 4.7 578-93-3-350 -
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3B14-361 5 4 11.3 11.3 4.7 578-93-3-350 -
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3B14-356 5 4 11.3 11.3 4.9 578-93-3-350 -
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3B14-359 5 4 11.3 11.3 4.9 578-93-3-350 -
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3B14-351 5 4 11.3 11.3 7.3 578-93-3-350 -
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