This Gunk C501V Aluminum Cooling System Stop Leak is a reliable solution for your vehicle's radiator issues. With a pack of 3 units, this product is perfect for those who want to keep their cars running smoothly. The stop leak is designed specifically for aluminum cooling systems and comes with a warranty for added peace of mind. The product is made in the United States and has a unit quantity of 3. It comes in a volume of 1oz. and is a type of radiator stop leak. The manufacturer part number is C501V and it is sold under the categories of eBay Motors, Automotive Tools & Supplies, Fluids & Chemicals, and Radiator Additives & Sealants. This item is a must-have for car enthusiasts who want to maintain their vehicle's radiator system.