Stop Leak concentrates, Nos. 1010, 1420, 1630

Bar’s Leaks Engine Oil Stop Leak Concentrate, No. 1010; Transmission Stop Leak Concentrate, No. 1420; and Power Steering Stop Leak Concentrate, No. 1630, come in 11 oz bottles. Bar’s Leaks’ Engine Oil Stop Leak Concentrate can seal leaks caused by normal engine wear and age. Transmission Stop Leak Concentrate can stop leaks caused by normal transmission wear and age. Power Steering Stop Leak Concentrate stops leaks caused by normal power steering system wear and age, according to the manufacturer. Concentrates can be used with all domestic, import and heavy duty fluids, including petroleum, mineral oil synthetics and ATF.