Engine oil stop leak products are essential for maintaining the health of your vehicle by preventing leaks and prolonging engine life. In 2025, the market offers a variety of top-rated options that effectively seal leaks and restore engine performance. These products are designed to rejuvenate gaskets and seals, ensuring that your engine runs smoothly without the worry of oil loss. Whether you’re dealing with minor leaks or seeking preventive maintenance, the best engine oil stop leak solutions can save you time and money on repairs.
SALE
−$1.00
Lucas Oil Products LUC10278 Engine Oil Stop Leak, 1 Quart, 1 Pack
- Product Type: Auto Oil
- Package Dimensions: 8.89 L X 10.16 W X 30.48 H (Centimeters)
- Package Weight: 0.953 Kilograms
- Country Of Origin: United States
$10.99
SALE
−$8.81
ATP Automotive AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle
- Professional strength fast acting resealer, stops leaks fast
- Rejuivinates all rubber seals & gaskets in engines, transmissions, power steering, differentials and hydraulic systems
- Compatible with conventional and synthetic oils, ATF, gear oil, power steering fluids and hydraulic oil
- Does not contain petroleum distillates, will not over-swell or breakdown seals
- 8oz bottle will treat a 6 quart capacity, adjust accordingly
$14.92
SALE
−$4.00
Bar's Leaks OS-1 Oil Seal Engine Oil Burning and Leak Repair, 16.9 oz.
- REPAIRS LEAKING MAIN SEALS AND GASKETS: We have designed this product to work in all gasoline and diesel engines including turbocharged, EcoBoost, hybrid and even racing engines.
- RENEWS WORN VALVE SEALS AND GUIDES: Your vehicle is a good candidate for Bar’s Leaks Oil Seal Engine Oil Burning & Leak Repair if it does not consume more than one quart of oil per day.
- STOPS OIL BURNING & BLUE EXHAUST SMOKE: This covers 3, 4, 5, 6, 8 and 10 cylinder engines in all cars, trucks, vans and SUV’s. Our product can also be used in heavy-duty applications referencing the appropriate dosage level.
- SEAL ALL OTHER OIL LEAKS, DRIPS AND CONSUMPTION: This applies to a wide range of other motor applications too - tractors, boats, RV’s, motorcycles (including wet clutch), ATV’s, lawn equipment.
- MADE IN THE USA
$17.99
BlueDevil Products 49499 Oil Stop Leak - 8 Ounce
- Easy to use: The BlueDevil Oil Stop Leak is designed to be easy to use, simply pour the recommended amount into the leaking component’s oil slump, or crank case.
- Permanent seal: BlueDevil offers a permanent solution with our Engine Oil Stop Leak that is proven to seal your leak and get you back on the road again. Formulated to stop your seeping or dripping oil leaks permanently and keep your leak sealed even after miles of driving.
- Compatible with all types of engines: Compatible with gasoline and diesel engines, making it a versatile product that can be used on a wide range of vehicles.
- Versatile Uses: Repairs and reconditions rubber seals throughout any fluid oil system. Can be used for pinion seals, gear cases, refillable shock absorbers, gear boxes, axle seals, and gear differentials.
- Safe to use: Designed with a non-clogging formula that won’t temporarily swell seals. Does not contain petroleum and is not harmful to your engine
$18.95
Lucas Oil 10279 Engine Oil Stop Leak - 1 Gallon
- Compatible with petroleum, semi-synthetic and full synthetic motor oils
- Contains no harmful solvents
- Reduces engine noise and oil consumption, while raising oil pressure
- Renews worn seals with no risk of damage or eventual corrosion
$29.99
SALE
−$3.84
Lucas Oil Engine Oil Stop Leak Top Off Additive/12x1/Quart
- Long lasting
- Conditions seals and o-rings to stop oil leaks
- Contains state-of-the-art components to reduce friction and wear and extend engine life
- Effective seal swell agents are used to condition hard and shrunken seals and gaskets
- 1 quart treats up to 6 quart capacity
$8.15
Bar's Leaks 1000 High Mileage Engine Repair, 16.9 oz | Restores Performance, Increases Compression & Horsepower, Stops Leaks, Noise & Smoking
- RESTORES PERFORMANCE: Contains a combination of the best performance additives to repair the most common oil-related problems
- INCREASES COMPRESSION AND HORSEPOWER: Restores lost compression and power, reduces noise and oil consumption, while improving the performance of worn cylinders, rings, bearings, and seals
- STOPS LEAKS, NOISE, AND SMOKING: For most vehicles, this is your last chance before paying an expensive repair bill or replacing the vehicle
- FRICTION MODIFIERS: Engine Repair can be used to top off the existing oil when low, or add a bottle when changing the oil and filter
- REPAIR-IT: Engine Repair-It can be used to top off existing oil when low or add a bottle when changing oil.
$12.98
Bar's Leaks Rear Main Seal Repair, 16.9 oz
- Seals timing cover, cam seal, rear main and other hard to stop oil leaks
- Add to engine oil
- Specifically designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks
- Add entire bottle of Rear Main Seal Repair to engine crankcase (where you add oil) at or between oil changes. Do not overfill. Most leaks will stop within 100 miles or 2 days of driving
$10.99
Engine Wizard - Engine Oil Stop Leak (1oz) Engine Treatment, Stop Leaks and Stop Smoke without Needing to Dismantle
- Quickly Fixes Oil Leaks: Often resolving the issue within just 30 miles of driving. Includes online customer support to help diagnose your leak problem through photos.
- Eliminate Blue Smoke: Resolves blue smoke issues within seconds, delivering noticeable improvement for oil loss problems. If the issue persists, we offer a 100% refund—guaranteed.
- No More Chaos: Say goodbye to constantly topping off oil! Effectively reduces oil leaks and burning oil issues, significantly minimizing oil loss and keeping your engine running smoothly.
- Highly Flexible: Compatible with 3, 4, 5, 6, 8, and 10-cylinder engines across all cars, trucks, vans, and SUVs. Whether it's black smoke issues or excessive oil consumption, this product delivers remarkable improvements.
- Easy Application: Simply add Engine Wizard to your engine oil for a hassle-free way to maintain and extend the life of your vehicle's engine.
$21.99
Permatex 30302 Engine Oil - Stop Leak, 12 fl oz, Effectively Stops and Prevents Oil Leaks and Burning Without Needing to Dismantle
- Reliable and Cost Effective: Cost Effective Alternative For Fixing Leaks In Your Vehicles Engine System, Suitable for All Gasoline and Diesel Four-Stroke Engines.
- Stops and Prevents Future Leaks: Perfect Solution for all small to moderate Engine Oil Leaks, Effectively Stopping and Preventing Engine Oil Leaks and Oil Burning Without Dismantling The Engine.
- Long Lasting Seal: Provides a Long-Lasting Seal for Engine Oil Leaks, Reduces Blow-By, and Revitalizes Rubber and Neoprene Seals and O-Rings, for a Smooth and Uninterrupted Ride.
- Stop The Mess: If You Are Tired of Constantly Adding Oil To Your Engine or Dealing With Messy Oil Leaks, the Permatex Engine Oil - Stop Leak is the Perfect Product For Your Garage.
$19.99
Last update on 2025-05-02 / Affiliate links / Images from Amazon Product Advertising API