Piston ring for W164 W221 W251 W166 air suspension compressor 

Warranty Information:

We offer a Limited Lifetime Warranty for customers. Orders outside of these regions come with a Limited One-Year Warranty. Our Warranty is non-transferable.

If a part is defective, We will either replace or repair that part, as long as it is within the Warranty period and proof of purchase is provided. We offer a Limited 30-Day Warranty on parts used in commercial vehicles. Improper use or installation is not a manufacturer's defect.

We're so confident you will be 100% satisfied with our products that it offers you a one-year warranty policy on unused and uninstalled products. For complete Warranty details and limitations, please contact us.