Bilstein B4 - OEM Shocks/Struts. It is recommended that you replace shocks in pairs (both front shocks, or both rear shocks). Bilstein B4 series shock absorbers are quality OEM parts and provide for superior handling. Using both monotube and twin-tube technology, Bilstein gives you the best in aftermarket parts. Constant damping characteristics under any load Consistent performance and handling give the vehicle a new car feel every time Proven Bilstein gas pressure technology High OEM quality standards Download the product PDF Download the application guide PDF Monotube Technology - the Number-One Choice in Motorsports The original and best mono-tube gas pressure shock absorbers all wear the Bilstein name, because Bilstein shock absorbers are the best there is. The number-one choice in motor-sports and for series-production sports cars, the monotube shock absorber has a unique design that affords the freedom to choose the ideal installation position or location. Monotube shocks feature a large surface on the working piston which increases the damping power and provides better handling. The design of the monotube shock improves the dissipation of heat which improves the life of the shock and enables a consistent and dependable level of absorber performance. Bilstein's Upside-Down Technology creates a safer functioning shock absorber. Twin-tube Technology - Quality Proven Under Rigorous Testing The twin-tube shock absorber is time tested and are used in most vehicles. Bilstein's twin-tube absorbers are "original equipment manufacturer" quality and have undergone extensive testing. These Bilstein twin-tube shocks offer a noticeable improvement over standard twin-tube shock absorbers. They can be installed quickly and easily. Twin-tube shocks employ oil or gas pressure technology. All twin-tube shock absorbers are OEM quality and rigorously tested. Twin-tube shocks are 2 Year / 200,000 mile warranty.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.