FD 200-25 426 Contitech Air Lift Rubber Bag 2B9-250 Goodyear Industrial Air Spring

The GUOMAT 2B6943 is a bladder-type hyperbolic air spring manufactured entirely according to Firestone's original specification W01-358-6943. Both are identical in all key dimensions and mounting interfaces, allowing for seamless interchangeability. This product is a typical "gourd-shaped" air spring, its core structure consisting of a bladder made of high-strength rubber and fabric layers, an internal rigid waist ring, and upper and lower metal end caps. The waist ring is a hallmark feature of this spring, dividing the air bladder into two bulging air chambers. This design not only provides flexible travel and an effective load-bearing area but also significantly improves the spring's lateral stability under compression, preventing excessive twisting and swaying.

• Contitech Part Number: FD 200-25 426
• Contitech Bellows Number: FD 200-25
• Firestone Part Number: W01-358-6943
• Firestone Style Number: 20-2
• Goodyear Part Number: 2B9-250
• Goodyear Bellows Number: 578-92-3-206
• FleetPride Part Number: AS6943
• Taurus Part Number: 6332
• Triangle Part Number: AS-4426
• TRP Part Number: AS69430
• Automann Part Number: SP2B12RA-6943
• Loadguard Part Number: SC2122
• SAF Holland Part Number: 90557237
• Spring Valley Part Number: AS-4426
• Suspenison Inc.: 200835
• Watson&Chalin: AS-0041
• Granning: 6352

The GUOMAT 2B6943 air spring is designed with a perfect balance between compactness and performance. Its precise installation height, free-stretch height, maximum working stroke, and minimum height after full compression all strictly adhere to original equipment manufacturer (OEM) specifications, ensuring a perfect fit to the installation space of the original vehicle design. Its upper and lower end caps are typically made of galvanized or painted carbon steel to resist corrosion; the upper cap usually has through holes for bolt fixing, while the lower cap also has bolt holes, achieving a robust and sealed installation. The air spring itself is made of fatigue-resistant, ozone-resistant, and weather-resistant synthetic rubber, while the internal reinforced fabric layer ensures its load-bearing capacity and durability under high pressure.

The core application area for air springs is in commercial vehicle suspension systems, particularly in the drive axles or follow-up axles of buses, coaches, trucks, and various trailers. It plays multiple key roles in the vehicle suspension: it effectively buffers and absorbs impacts and vibrations from the road surface through the elasticity of the internal compressed air, providing passengers with a more comfortable ride and protecting the vehicle itself and the cargo it carries; by connecting to the height control valve, it can automatically maintain a constant vehicle chassis height, regardless of changes in load, thus ensuring a stable driving posture.