Goodyear Truck Helper Bags 2B12-346 2B12-440 578923315 Double Bellow Suspension Air Springs
Cross Reference
Goodyear Part Number 2B12-346
Goodyear Part Number 2B12 346
Goodyear Part Number 2B12-440
Goodyear Part Number 2B12 440
Goodyear Bellow Number 578923315
Firestone Part Number W01-358-7550
Firestone Part Number W01 358 7550
Firestone Part Number W013587550
Firestone Part Number WO1-358-7550
Firestone Part Number WO1 358 7550
Firestone Part Number WO13587550
Contitech Number FD331-26 541
Contitech Number FD331 26 541
Triangle:6375
Triangle:4480
Watson&Chalin : AS-0087
Histeer :10315
Long, trouble free service, constant level hauling, quiet cushioned ride
Long lasting service on almost all truck and trailer air suspensions Absorb road shock to help tractors and rigs last longer
Cut down on vibration and driver fatigue
2B7550 helper bags specifications and Tecnical Data
1. Bolt/Stud on top cover: 1/2-13UNC
Combo/Combination Stud: Stud-3/4-16UNC, air fittings-1/4-18NPT
2. Threaded hole on bottom cover: 2pcs×3/8-16UNC
Bottom plate screw center distance : 157 mm
3. Top/Bottom plate diameter (width): 224.5mm
4. Rubber bellows Max. diameter: 343mm
5. Working Stroke: Min104mm to Max. 363mm
6. Bumper block/bumper block with bumper
7. Belt loop/girdle ring/girdle hoop: with one piece of belt loop/girdle hoop
8. Max. Rubber Bellow: 343mm
Other types of goodyear air springs we could offer
| Part Number | Top Plate Hole/Stud Qty. | Bottom Plate Qty. | Top Plate Dia | Bottom Plate Dia. | Collapsed Height | Flexmember |
| 2B9-229 | 1 | 1 | 6,4 | 6,4 | 2,9 | 578-92-3-202 |
| 2B9-245 | 1 | 1 | 6,4 | 6,4 | 4,2 | 578-92-3-202 |
| 2B9-296 | 1 | 2 | 6,4 | 6,4 | 3,2 | 578-923-211 |
| 2B9-218 | 1 | 2 | 6,4 | 6,4 | 3,5 | 578-92-3-206 |
| 2B9-230 | 1 | 2 | 6,4 | 6,4 | 3,8 | 578-92-3-202 |
| 2B10-226 | 1 | 2 | 6,4 | 6,4 | 3,1 | 578-92-3-250 |
| 2B9-246 | 2 | 1 | 6,4 | 6,4 | 3,8 | 578-92-3-211 |
| 2B12-304 | 2 | 1 | 9 | 9 | 3,4 | 578-92-3-309 |
| 2B12-411 | 2 | 1 | 9 | 9 | 3,5 | 578-92-3-309 |
| 2B12-412 | 2 | 1 | 9 | 9 | 4,2 | 578-92-3-309 |
| 2B9-244 | 2 | 2 | 6,4 | 6,4 | 3,8 | 578-92-3-202 |
| 2B9-252 | 2 | 2 | 6,4 | 6,4 | 3,8 | 578-92-3-206 |
| 2B9-254 | 2 | 2 | 6,4 | 6,4 | 3,8 | 578-92-3-206 |
| 2B9-265 | 2 | 2 | 6,4 | 6,4 | 3,8 | 578-92-3-206 |
| 2B9-266 | 2 | 2 | 6,4 | 6,4 | 3,8 | 578-92-3-208 |
| 2B9-607 | 2 | 2 | 6,4 | 6,4 | 3,8 | 578-923-208 |
| 2B9-611 | 2 | 2 | 6,4 | 6,4 | 3,8 | 578-923-211 |
| 2B9-614 | 2 | 2 | 6,4 | 6,4 | 3,8 | 578-9-23-211 |
| 2B9-280 | 2 | 2 | 6,4 | 6,4 | 3,9 | 578-92-3-211 |
The related picture of 2B7550 suspension air springs
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Double Bellow Suspension Air Springs Goodyear Truck Helper Bags 2B12-346 2B12-440 578923315 Images
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