This authentically reproduced cap is ready for installation on your factory overflow bottle. Each cap is molded in opaque plastic and features the original style inlet and outlet as well as the raised letters, which read “Engine Coolant Only”.
Authentic reproduction of the original GM product.
This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.