Best Oil Leak Additives In September 2026

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In this review, we evaluate the Best Oil Leak Additives available today. We have also included a comprehensive guide that helps you pick the best product. We hope that by going through the top 10 Best Oil Leak Additives reviews below, you can effectively narrow down your choice and find the most appropriate one you need.

To help you in your search, we have completed this list of the Best Oil Leak Additives.

Top Rated Best Oil Leak Additives Of 2026

Rank	Product Name	Score
1	Lucas Oil 10278 Engine Oil Stop Leak Buy Now	9.7 Buy Now
2	ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle Buy Now	9.5 Buy Now
3	BlueDevil Oil Stop Leak Buy Now	9.1 Buy Now
4	Lucas 32 Ounce 10001 Heavy Duty Oil Stabilizer-32 Oz Buy Now	8.8 Buy Now
5	Lucas 10008 Power Steering Stop Leak - 12 oz Buy Now	8.6 Buy Now
6	InterDynamics Certified AC Pro Oil and Fuel System UV Dye Leak Detection Buy Now	8.3 Buy Now
7	Vivaplex, 12, Clear, 4 oz Glass Bottles, with Lids Buy Now	8.1 Buy Now
8	XADO ATOMEX Stop Leak Engine Oil Additive Sealer (Bottle, 250 ml) - Repair Buy Now	7.8 Buy Now
9	Bar's Leaks OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz Buy Now	7.5 Buy Now
10	STP High Mileage Oil Treatment + Stop Leak, 15 fl. oz Buy Now	7.2 Buy Now

1. Lucas Oil 10278 Engine Oil Stop Leak

• Fit type: universal

2. ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle

• Compatible with conventional and synthetic oils, atf, gear oil, power steering fluids and hydraulic oil
• Rejuivinates all rubber seals & gaskets in engines, transmissions, power steering, differentials and hydraulic systems
• Does not contain petroleum distillates, will not over-swell or breakdown seals
• 8oz bottle will treat a 6 quart capacity, adjust accordingly
• Professional strength fast acting resealer, stops leaks fast

3. BlueDevil Oil Stop Leak

• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.

4. Lucas 32 Ounce 10001 Heavy Duty Oil Stabilizer-32 Oz

• Raises oil pressure
• Reduces oil consumption
• Eliminates dry starts
• Increases power and miles per gallon
• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
• Increase oil life at least 50 percent longer

5. Lucas 10008 Power Steering Stop Leak - 12 oz

• Lucas, 12oz, power steering stop leak, removes hard spots and stops most leaks or your money back! this formula is a blend of special oils and petroleum extracted additives, contains no solvents and is an excellent preventative maintenance product of new units
• Guaranteed to stop seal leaks
• Totally effective in reducing slack, squeals, and hard spots in worn rack and pinions.
• These are complete line of heavy-duty shop products
• Through creativity, productivity and innovation - this brand continues to develop the finest automotive accessories
• Stops rack and pinion problems

6. InterDynamics Certified AC Pro Oil and Fuel System UV Dye Leak Detection

• Contains one application of oil and fuel system uv leak detection dye
• Professional grade
• For use in engine oil transmissions power steering systems and gas and diesel fuel systems
• Helps locate leaks
• Compatible with all weights of petroleum based lubricant

7. Vivaplex, 12, Clear, 4 oz Glass Bottles, with Lids

• Perfect for essential oils, perfume oils, or other liquids.
• Perfect for travel, and conveniently fits in your purse.
• 12 - 4 oz, clear glass bottles, with black lids.
• Safe, secure and convenient packaging.

8. XADO ATOMEX Stop Leak Engine Oil Additive Sealer (Bottle, 250 ml) - Repair

• Restores elasticity and stretch ability of rubber gaskets and seals
• Stops oil leakages from the engine and prevents their emerging in the future
• Compatible with motor oils of all types
• Reduces engine noise and oil consumption
• Eliminates the need for expensive repair

9. Bar's Leaks OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz

• In most cases the oil leak issue will be repaired with a single dosage. however, for best results and to prevent the problems from reoccurring, use with every other oil change, or once per year
• Can also be used in heavy-duty applications as well as tractors, boats, rv's, motorcycles (including wet clutch), atv's, lawn equipment
• Use 1/2 bottle for smaller systems (3. 5 - 4. 4 quarts of oil), in larger systems use 1 bottle for every 6 quarts, in small engines use approximately 3oz to every quart of oil
• Works in all gasoline and diesel engines including turbocharged, eco boost, hybrid and even racing engines, including 3, 4, 5, 6, 8 and 10 cylinder engines in all cars, trucks, vans and suv's
• This premium quality synthetic blend works with all types of motor/engine oil including regular petroleum, high mileage, synthetic blends and fully synthetic formulas

10. STP High Mileage Oil Treatment + Stop Leak, 15 fl. oz

• Use every oil change
• Rejuvenates seals and gaskets
• Excellent for all cars, light trucks and suv's
• Helps stop leaks, noise and smoking
• Contains zinc anti-wear agent zddp