Quality suspension parts are made by Eibach, Bilstein, Moog and Tein.
Eibach is known for their turning expertise and high quality suspension parts and components for various types of vehicles.
Bilstein is a leading brand that specializes in premium suspension parts and suspension systems which include shocks and struts.
Moog is also a very good and trusted brand of high quality auto parts including steering parts and suspension parts and they have a focus on ease of installation and durability.
Tein is a renowned manufacturer of suspension parts and systems and components and they are known for their precision engineering and performance.
Other good brands of quality suspension parts include KYB, BC Racing, Aldan American, Belltech, TRW Automotive, Dorman and Rancho.
Rancho focues on making high performance shocks and suspension parts and most particularly for off road vehicles.
Dorman is known for their high quality replacement parts which include suspension parts and suspension components.
TRW Automotive is a leading designer and manufacturer of suspension parts for both OE and aftermarket parts.
Belltech has high quality suspension upgrades for various vehicles, that are known for improving handling and ride comfort.
Aldan American also makes high quality suspension parts including coilovers, shocks and even suspension kits, most particularly for hot rods and street rods.