Refill new coolant by creating a vacuum in the cooling system
No need to undergo time-consuming air bleeding after refilling new coolant
Sealing collar with three rubber bushings offers a wide variety of applications for radiator filler necks
Minimizes the risk of engine overheating
WARNING: This product can expose you to chemicals including LEAD AND LEAD COMPOUNDS, which is 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. WARNING: This product can expose you to chemicals including DI(2-ETHYLHEXYL)PHTHALATE (DEHP), which is 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.