No Leak®

ONE & DONE: PREVENT LEAKS IN JUST ONE TREATMENT

46% of vehicles on US roads leak hazardous fluids. NO LEAK brand products are guaranteed to stop and prevent leaks in one treatment or you’ll get your money back. Crying over spilled fluid? Not anymore. Protect and preserve your vehicles with NO LEAK.

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No Leak® Engine Oil Stop Leak – DISCONTINUED

No Leak® Transmission Stop Leak – DISCONTINUED

No Leak® Power Steering Stop Leak – DISCONTINUED

No Leak® All In One Stop Leak – DISCONTINUED

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Tips & Guides

person looking under hood of car for an oil pan gasket leak quick fix

Oil Leak Causes and How To Fix Them Yes, it’s easier just to ignore the small puddle of oil forming under your car. Or pretend that the burnt oil smell is not coming... View All Automotive Care Tips

SUV with front hood popped open in wooded trail

Transmission Leaks: What Causes Them and How To Fix Them We rely on our cars every day to get us where we need to be. This, of course, includes everything from the long commute to... View All Automotive Care Tips

blurred vision of car traffic from a driver's point of view

What Causes Power Steering Fluid Leaks? Power steering affects every aspect of handling, whether it's turns and curves or just staying on the straight and narrow. Power steering fluid is as... View All Automotive Care Tips