Replace Firestone W21-760-9000 SK6815P01 Contitech Air Ride Suspension Spring For Truck Cab

Product Description

The GUOMAT G9000 air spring is a high quality replacement air spring that completely replaces the Firestone W21-760-9000, specifically designed for trucks and other vehicles. It has an extended height of 11.50 inches and a compressed height of 4.30 inches. Maximum load capacity of each air spring is 1500 lbs at 100 psi. This product can also be purchased as a single air spring, enabling qualified design engineers to design their own air suspension system for a vehicle or machinery

Brand; GUOMAT

Model No.: G9000

Type: Air Spring

Warranty: 12 Months

Truck Model: Heavy Duty Truck

Color: Black

Place of Origin: Guangzhou,China

Certification: ISO/TS16949:2009

Material: Rubber+Steel

Packing: Neutral Packing

MOQ: 1 Pcs

Quality: High-Quality

Position: Auto/Truck parts/Truck Cabin

Application: Auto Suspension Systems

OEM: For Contitech SK6815P01 / SK 6815 P01 / SK 6815P01

OEM: For Firestone W21-760-9000 / W21 760 9000 / W217609000

Technical Data

Maximum height: 13.8''
Minimum height: 4.30''
Top cover diameter: 4.76''
Threaded hole specifications: 3/8-16 X.50DP
Center distance between threaded holes: 2.75''
Air connection hole specifications: 1/4NPTF

The rubber bellows diameter: 4.8'' UNINF
Base diameter: 3.59''
Base height: 3.22''
Base threaded hole specifications: 3/8-16 X.50DP

Function of Air Spring in Truck Cab

The function of air springs in a truck cab is to provide a smoother ride, isolate the body of the vehicle from the wheels, and prevent damage to the vehicle and its cargo. Air springs are a key component of the suspension system in trucks, and they work by adjusting the air pressure to provide cushioning and support for the cab.

Isolating the Body from the Wheels:
Air springs are designed to isolate the body of the truck cab from the wheels, which helps to absorb shocks and vibrations from uneven, bumpy, and rough road surfaces. This isolation helps to provide a smoother and more comfortable ride for the driver and passengers, while also preventing damage to the vehicle and its cargo .

Preventing Damage to the Vehicle and Cargo:
When the vehicle bottoms out or reaches the limit of suspension travel, the shock absorber can act as a bumper stop to prevent the suspension from traveling beyond that limit and damaging the air springs. By adjusting the air pressure in the air spring, the suspension can be adjusted either up or down, providing support and preventing the vehicle from sagging .

Adjusting Ride Height and Flexibility:
Air springs allow for the adjustment of the suspension system, enabling the truck to be lifted or lowered by supplying air pressure to the air bag. This feature provides flexibility in weight distribution, traction, and overall functionality of the truck, while also protecting the tires and brake pads when the truck is not loaded .

Guangzhou Guomat Air Spring Co., Ltd. is located in Guangzhou, about 15min’s drive from Baiyun Airport. Our mainly products are air spring, rubber bellows, air suspension spring, air suspension compressor and refitted suspension system. They are widely used in bus, truck, cabin, vehicles’ seat, luxurious car and industrial machine field.

GUOMAT Factory gate：

Established in 2008, Our company covers 20,000㎡ and is located in Taihe Town Baiyun District. With the rapid development of our company, we are equipped with modernized workshop and advanced rubber air springs equipments now. We are the first company who started air spring business and has become one of the largest air spring manufacturing bases in China.

In 2017, we launched a collaboration with High Tech of US customers to customize the products of our customers and the logo of our customers. Every year, there are about 10,000 orders. In continuous cooperation, the products meet the international inspection standard ISO/TS16949:2009, and the customers are very satisfied with the products produced. This is our high recognition from American customers and also gives us Great motivation.

In 2018, we started cooperation with German GmbH, mainly industrial air springs, which are suitable for industrial equipment. We have successfully developed and produced the natural air-seal of the skin to reach the 700mm flanged air spring, the customer's annual demand is a few hundred.

With the development of business and demand for customers, our company introduced business with TomLog Corporation in 2010, our strategic cooperative partner in Taiwan. Then we developed air compressor program and air spring related business, in 2015, America Goodyear Corporation met with the transfer of shares in the North American plant, our company was granted with sale agent for air springs in China, providing more choice for our customers. Our company adopts the most advanced domestic air spring processing equipment and international production technology. Combined with unique production process, our company strictly execute international standards for production and spare no efforts to create the world-class products. We will endeavor to make air spring widely used at home and abroad, and let more and more customers to enjoy the best damping effect.