HENDRICKSON S-28929 China VKNTECH 1K9978 Heavy Duty Truck Air Springs for Firestone W01-358-9978
Product video
Product parameters
VKNTECH NUMBER |
1K9978 |
OEM NUMBERS |
HENDRICKSON
S-28929
Firestone
W01-358-9978
|
WORKING TEMPERATURE |
-40°C bis +70°C |
FAILURE TESTING |
≥3 millions |
Product properties
Product name | Air Spring for Truck/Trailor |
Type | Air Suspension/Air bags/Air Ballons |
Warranty | One year |
Material | Imported Natural Rubber |
Brand | VKNTECH or customized |
Package | Standard packing or customized |
Car fitment |
HENDRICKSON
|
Price | FOB China |
Certificate | ISO/TS16949:2016 |
Usage | For passenger car |

The product 1K9978 offered by VKNTECH is an air spring specially designed for trucks and trailers. Its VKNTECH number is 1K9978 and it has the following OEM numbers: HENDRICKSON S-28929 and Firestone W01-358-9978. Air springs have an operating temperature range of -40°C to +70°C and have been tested to failure for ≥3 million cycles. It is made of imported natural rubber to ensure high quality and durability. This product is compatible with HENDRICKSON vehicles and comes with a one year warranty. It can be customized with VKNTECH brand or any other desired brand. Air springs come in standard or custom packaging, depending on customer preference. The product price is FOB China, which means that the freight is not included. The air spring has passed ISO/TS16949:2016 certification and complies with international quality management standards. While the product is primarily intended for use in trucks and trailers, it can also be used in passenger vehicles.
Company Profile
Guangzhou Viking Auto Parts Co., Ltd., established in 2010, is a leading manufacturer of high-quality air springs. The company has introduced advanced technology and equipment to ensure the quality of each production link. It has become a trusted supplier for many well-known OEMs in China and has a global sales network. In addition to air springs for commercial trucks, the company also provides air spring shock absorbers and accessories for high-end luxury cars, including Mercedes-Benz, BMW, Audi, Porsche, and Land Rover. The company's focus on quality and reputation ensures that it provides high-quality products and services to customers.
Our company strives for survival by quality and development by reputation. We offer extensive coverage of truck, trailer and bus aftermarket as well as for many of today’s most popular air spring in multiple applications. But not all product we support is published here and not all is always available. Our company wholeheartedly provides you with high-quality air spring products and services, and looks forward to cooperating with you in the near future.
Factory photos




Exhibition




Certificate

FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 100% advanced payment as the first order. After long-term cooperation, T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 30 days after receiving your advance payment. If we have a steady relationship, we will stock the raw material for you. It will reduce your waiting time. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friends and we sincerely do business and make friends with them, no matter where they come from.