Liqui Moly Radiator Stop Leak 250ml

• Amazon now offers Liqui Moly radiator stop leak 250ml, now $12.42.
• Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.
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Editor's Pick: If you notice your coolant level dropping quickly but can't find an obvious leak, try pouring a bottle of this in. It circulates with the coolant and gradually seals tiny leaks. It won't clog the cooling system or affect winter antifreeze performance—a gentle fix.