Replacement Ball Joint for ZZP Control Arms $39.99 Default Title Add to Cart Please enter your email below if you'd like to be notified when it's available. Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. This is a replacement ball joint for your ZZP Ecotec Control Arms. Sold as a single unit, if you want to replace both you will want to order a quantity of 2.