OEM Original Equipment Manufacturer:
Compressed Height: 4.00 inches
Top Plate Number:3123 or 3132
Top Plate Width:11.31 inches
Piston Number:3122
Piston Width:11.31 inches
Firestone Bellows Number:313
Goodyear Part Number:3B14-360,3B14 360
GOODYEAR Part Number:3B14-359,3B14 359
GOODYEAR FLEX 578-93-3-350,578933350,578 93 3 350
Triangle Part Number:4333
Triangle Bellows Number:6319
Granning Number:4514
Ridewell Number:1003587800C
Note:HOLLAND HITCH 4514
CONTITECH FT 530-32 333,FT530-32 333,FT53032 333
CONTITECH FT 530-32 325,FT530-32 325,FT53032 325
FIRESTONE W01-358-7800,W013587800,W01 358 7800
FIRESTONE W01-358-7818,W01 358 7818,W013587818
FIRESTONE FLEX 313D
AIRKRAFT 115070
AIRKRAFT 116052
GUOMAT NO. 3B7800 Technical parameters
Nut / Blind Nut
Top Cover Plate Screw (Nut) Tooth : 4pcsX1/2-13UNC
Screw Center Distance of Top Cover Plate : 158.8 mm
Bottom Cover Plate Screw (Nut) Tooth : 4pcsX1/2-13UNC
Screw Center Distance of Bottom Cover Plate : 158.8 mm
Gas Hole / Air inlet / Air Fitting
Gas Hole / Air inlet : 1/4 N P.T.F. / 1/4NPTF
Cover Plate
Top Cover Plate Diameter: 289 mm
Bottom Cover Plate Diameter: 289 mm
Rubber Bellows
Rubber Bellows MAX Diameter: 356 mm
Rubber Bellows Natural Diameter :282 mm
Design Height: 9-13 inches / 229mm-330mm
Maximum Height : 460 mm
Bumper block / Buffer block
Without Bumper Block
Girdle Hoop / Girdle Ring
With Girdle Hoop :Two Pieces of Girdle Hoop
The usal kinds of Double Convolution Air Springs
| Firestone | Flex Number | Piston | Top Plate | Bottom Plate | Top Plate Dia | Bot Plate Dia | Collapsed Hght | Comments |
| | Flex Number | Piston | 2345 | 245 | | | | |
| W01-358-7761 | 312C | 4299 | | | 15.13 | 15.13 | 4.30 | |
| W01-358-7796 | 313D | 3122 | 2 | 4 | 11.31 | 11.31 | 6.40 | 3B14-367 |
| W01-358-7797 | 313D | 3389 | 2 | 4 | 11.31 | 11.31 | 4.60 | |
| W01-358-7798 | 313D | 3130 | 4 | 5 | 11.31 | 11.31 | 4.80 | 3B14-356 |
| W01-358-7800 | 313D | 3122 | 5 | 4 | 11.31 | 11.31 | 4.00 | 3B14-360 |
| W01-358-7808 | 313D | 3130 | 5 | 4 | 11.31 | 11.31 | 4.00 | 3B14-350 3B14-354 |
| W01-358-7816 | 39D | 3122 | 4 | 5 | 11.31 | 11.31 | 4.80 | |
| W01-358-7818 | 313C | 3122 | 5 | 4 | 11.31 | 11.31 | 4.80 | 3B14-359 |
| W01-358-7838 | 333C | 3130 | 5 | 4 | 11.31 | 11.31 | 4.80 | |
| W01-358-7839 | 333C | 3316 | 5 | 4 | 11.20 | 11.20 | 4.75 | 3B14-444 |
| W01-358-7843 | 333C | 3122 | 2 | 4 | 11.31 | 11.31 | 4.80 | 3B14-364 3B14-457 |
| W01-358-7844 | 333C | 3167 | 2 | 4 | 11.31 | 11.31 | 4.20 | |
Air Spring Installation
- Before you start installing air springs, make sure you have all the necessary tools and equipment to perform the repair safely.
- Familiarize yourself with the suspension on which you are performing the repair by reviewing the manufacturers service guide.
- If you are in doubt about something, ask for assistance from a qualified suspension specialist, the suspension manufacturer or the air spring manufacturer; This can save you a lot of time and aggravation later in the job.
Our Advantages
- 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
- Long, trouble free service, constant level hauling, quite cushioned ride
