The Best Engine Oil Stop Leak Additive of 2023

Browse theprodukkt.com to find the Best Engine Oil Stop Leak Additive you're looking for, track & compare prices, and decide where to buy online or in-store.

We ranked and reviewed the top 10 Best Engine Oil Stop Leak Additive in 2023. Read more How we ranked

Emily Sloyan
Jun 1, 2023 12:15 PM

As an Amazon Associate I earn from qualifying purchases. Learn more

Compare Products

XADO ATOMEX Stop Leak Engine Oil Additive Sealer (Bottle, 250 ml) - Repair Gaskets & Seals Treatment

CHECK LATEST PRICE

SCORE
7.8
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
XADO

Features

Restores Elasticity And Stretch Ability Of Rubber Gaskets And Seals

Stops Oil Leakages From The Engine And Prevents Their Emerging In The Future

Eliminates The Need For Expensive Repair

Reduces Engine Noise and Oil Consumption

Compatible With Motor Oils Of All Types

PROS

CONS

Lucas Oil 10279 Engine Oil Stop Leak - 1 Gallon

CHECK LATEST PRICE

SCORE
9.3
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Lucas Oil

Features

Compatible with petroleum, semi-synthetic and full synthetic motor oils

Renews worn seals with no risk of damage or eventual corrosion

Reduces engine noise and oil consumption, while raising oil pressure

Contains no harmful solvents

PROS

CONS

Bar's Leaks - 1000 Engine Repair - 16.9 oz

CHECK LATEST PRICE

SCORE
8.9
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Bar's Leaks

Features

Increases oil pressure

Reduces friction

Helps clean internal parts

Quiets noise

Reduces oil consumption

PROS

CONS

BlueDevil Oil Stop Leak

CHECK LATEST PRICE

SCORE
9.2
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
BlueDevil Products

Features

Permanently seal seeping or dripping oil leaks

Made in United States

Package Dimensions : 3.25 L x 6.0 H x 1.0 W (inches)

Package Weight : 1.0 pounds

PROS

CONS

STP High Mileage Oil Treatment, Formula for Cars & Truck, Stop Leak, Bottles, 15 Fl Oz, 15604B

CHECK LATEST PRICE

SCORE
7.5
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
STP

Features

Rejuvenates seals and gaskets

Helps stop leaks, noise and smoking

Contains zinc anti-wear agent ZDDP

Excellent for all cars, light trucks and SUV's

Use every oil change

PROS

CONS

Lucas Oil 10279-4PK Engine Oil Stop Leak - 1 Gallon, (Case of 4)

CHECK LATEST PRICE

SCORE
9.7
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Lucas Oil

Features

Compatible with petroleum, semi-synthetic and full synthetic motor oils

Package Dimensions: 31.496 H x 32.257 L x 33.02 W (centimetres)

Package Weight: 33.85 pounds

Country of Origin : United States

PROS

CONS

Lucas Oil 10278 Engine Oil Stop Leak, 1 Quart

CHECK LATEST PRICE

SCORE
9.4
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Lucas Oil

Features

Compatible with petroleum, semi-synthetic and full synthetic motor oils

Renews worn seals with no risk of damage or eventual corrosion

Reduces engine noise and oil consumption, while raising oil pressure

Contains no harmful solvents

PROS

CONS

NO LEAK 20401 Engine Oil Stop Leak, 16 Fl oz.

CHECK LATEST PRICE

SCORE
8.9
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
NO LEAK

Features

Stops AND prevents engine oil leaks caused by dried, shrunken, or harden seals

Recommended for rear main seal repair

Stops smoke and repairs rear main seals

Safe & compatible with ALL engine oils

PROS

CONS

Bar's Leaks 1010 Engine Oil Stop Leak Concentrate, 11 oz, 1 Pack, Grey

CHECK LATEST PRICE

SCORE
7.5
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Bar's Leaks

Features

Stops and seals motor oil leaks

Works with all types of motor oil

Restores gaskets; seals to stop and prevent engine oil leaks

Compatible with vehicle type: Car

PROS

CONS

Bar's Leaks Oil Seal Engine Oil Burning and Leak Repair

CHECK LATEST PRICE

SCORE
7.3
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Bar's Leaks

Features

This premium quality synthetic blend works with all types of motor/engine oil including regular petroleum, high mileage, synthetic blends and fully synthetic formulas

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

Can also be used in heavy-duty applications as well as tractors, boats, RV's, motorcycles (including wet clutch), ATV's, lawn equipment

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

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

PROS

CONS

Last update on 2023-06-01 / Prices / Affiliate links / Images, and Product Highlights from Amazon Product Advertising API

Editor's Notes

We ranked and reviewed the top 10 Best Engine Oil Stop Leak Additive in 2023. With the support of 44,689 customer's reviews, we hope that this article can give you the most realistic view of these products. The list below contains some main brands as xado, lucas-oil, bars-leaks, bluedevil-products, stp, no-leak.