1T15M-0 Rubber Bellow W01-358-9039 Firestone Truck Air Suspension 1R12-095 Trailer AirSpring
Product Description
Trailer air springs are a key component in the suspension system of trailers, trailers, and semi-trailers. Using compressed air to provide elastic support, they replace traditional leaf or coil springs. Their core functions are to adjust vehicle height, improve ride comfort, and adapt to varying load requirements.
GUOMAT No.: 1T9039
Warranty: 1 Year
Material: Rubber+Steel
Packing: Carton packing
Color: Black
Application: Truck / Trailer Air Suspension
Installation: Direct Installation
Cross-Reference Number
FIRESTONE NUMBER: W01-358-9039/W01 358 9039 / W013589039
FIRESTONE NUMBER: WO1-358-9039/WO1 358 9039 / WO13589039
FIRESTONE STYLE: 1T15M-0
CONTITECH NUMBER: 4150 NP 04/4150NP04
CONTITECH NUMBER: 91010 P 311
GOODYEAR: 1R12-095/AS4243033
GOODYEAR: 1R12-095/566243067
NEWAY: 90557001/90557023/ 90557085/90044199
Airtech : 133682/34159-1
VIGOR: 1V9039
Granning: 15629
Triangle :4390/8311
OE Manufacturer Number
KPP/Watson:AS-0012
Sauer:P50-734
Fabtek:101827
Dayton : 3529039
Flxible : 6336202
Leland : SC 2033
Naristar :554766C1/
Ridewell:1003589039C/
Brake&Wheel : M3511
SAF Holland : 90044199/90557011/90557023/90557085/90054234/90557011G
Hendrickson: S2064/S11650
Crosses with: Continental ContiTech 9 10-10 P 311, ContiTech Order # 64260, Bluebird 12TA-1-2, Bluebird 300-961250, Dayton 352-9039, Fab Tek 101827, Hendrickson S-11650, Hendrickson S-2064, Hutchens H-9424-01, Loadguard SC2033, Mahowk 10132401, Navistar/Fleetrite 554766C1, R&S Truck 1090218, Raydan 211-00-010, Ridewell 1013589039C, SAF Holland 90557011, SAF Holland 90557023, SAF Holland 90557085, SAF Holland 90044199, Sauer P50-734, Suspensions, Inc. 200457, Taurus AS500-9039, Volvo 85101153, Watson & Chalin AS-0012, Ridewell S2061C, Arvin Meritor 200457, Arvin Meritor 21208939, Arvin Meritor 21216135, Volvo 3130492, Orion 101324014, Flxible 6-336-202, Hutchens H-9424-03, SAF Holland 90054234, Automann 1DK23F-9039, Firestone No. W01-358-9039, Firestone Style 1T15M-0, FleetPride AS9039, Goodyear 1R12-095, Goodyear Flex No. 566243067, Taurus 6360, Triangle AS-8311, TRP AS90390
| Component | Material/Type | Function |
| Airbag (Bellows) | Rubber (NR, EPDM) or Polyurethane | Provides elastic support by inflating with compressed air, absorbs road shocks, and bears the trailer load. |
| Top Plate (Upper Bead Plate) | Metal (Steel/Aluminum) or High-strength Plastic | Connects the airbag to the trailer frame, secures the spring, and distributes loads. |
| Bottom Plate (Lower Bead Plate) | Metal (Steel/Aluminum) | Attaches the airbag to the axle or suspension arm, transfers loads, and ensures stability. |
| Piston (Guide Mechanism) | Metal or Composite | Controls the expansion direction of the airbag, improving lateral stability (in some designs). |
| Air Line | Pressure-resistant Rubber or Nylon Tubing | Delivers compressed air to the airbag, connecting to the air source (e.g., compressor, air tank). |
| Air Valve (Inflation Valve) | Metal/Plastic | Regulates air intake/exhaust; some include automatic valves for pressure maintenance. |
| Jounce Bumper (Limit Stop) | Polyurethane or Rubber | Acts as a mechanical backup during airbag failure or extreme compression, preventing metal-to-metal contact. |
Product Picture 
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1T15M-0 Rubber Bellow W01-358-9039 Firestone Truck Air Suspension 1R12-095 Trailer AirSpring Images
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