1
Editor's Choice
Atp Automotive AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle
ATP AUTOMOTIVEBrand
AT-205Model
4.0H*7.0L*4.5W inchesDimension
0.11 lbWeight
Ranked #1 in Best Oil Leak Additives Of 2024
9.8We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent
Price: $$$
Save 12% + FreeShipping
Visit Store » VerSure ( 4.92 / 5 )
Features
- 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
2
Editor's Choice
Bar'S Leaks 1420 Transmission Stop Leak
BAR'S LEAKSBrand
1420Model
6.5H*1.8L*3.0W inchesDimension
9.7We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent
Price: $
FreeShipping
Visit Store » G.P.S. ( 4.92 / 5 )
Features
3
Editor's Choice
Bar'S Leaks 1400 High Mileage Transmission Repair-It
BAR'S LEAKSBrand
1400Model
1.8H*8.4L*3.6W inchesDimension
1.08 lbWeight
Ranked #13 in Best Transmission Additives Of 2024
Ranked #18 in Best Automatic Transmission Fluids Of 2024
Ranked #18 in Best Automatic Transmission Fluids Of 2024
9.4We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent
Price: $
FreeShipping
Visit Store » Amazon.com ( 4.68 / 5 )
Features
- STOPS LEAKS, SLIPPING AND ROUGH SHIFTING - Reduces rough shifting and friction, while eliminating slip, controlling temperature, and repairing shudder, chatter and whining.
- RESTORES PERFORMANCE - Premium high mileage formula restores transmission performance and saves on costly transmission / transaxle repairs.
- FLUID STABILIZER - Use when topping off existing fluid when low, or add a bottle when changing the fluid.
- SEALS CONDITIONERS - Stops leaks, slipping and rough shifting. Reduces heat & friction, and stabilizes fluid.
- REPAIR IT - Transmission Repair-It works with all types of transmission fluids
4
Bluedevil Products 00236 Transmission Sealer - 16 Ounce
BLUEDEVIL PRODUCTSBrand
00236Model
2.75H*7.25L*2.75W inchesDimension
1.0 lbWeight
9.1We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent
Price: $$$
Visit Store » AutoParts Kingdom ( 4.47 / 5 )
Features
5
Lucas Oil 10009 Transmission Fix - 24 Ounce
LUCAS OILBrand
10009Model
3.35H*12.0L*3.35W inchesDimension
1.59 lbWeight
Ranked #1 in Best Transmission Additives Of 2024
Ranked #10 in Best Automatic Transmission Fluids Of 2024
Ranked #13 in Best Transmission Flushes Of 2024
Ranked #10 in Best Automatic Transmission Fluids Of 2024
Ranked #13 in Best Transmission Flushes Of 2024
9.1We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent
Price: $$
FreeShipping
Visit Store » Amazon.com ( 4.68 / 5 )
Features
- The #1 transmission problem solving additive
- Contains no solvents
- Can be added to existing fluid without draining any out
- Effective in an extremely high percentage of cases
- Extends needed protection to planetary gears
- Reduces the need for frequent fluid changes, extends fluid life up to 4 times longer
- A must for motor homes and commercial vehicles
- Pour one 24 oz. bottle into your existing fluid without the need for draining
- For larger or heavily worn transmissions, a second bottle may be required
- In compact or sub-compact vehicles, a 12 oz. bottle is recommended
6
Permatex 81180 Automatic Transmission Rtv Sealant
PERMATEXBrand
81180Model
1.7H*8.9L*3.9W inchesDimension
9.1We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent
Price: $
Save 34% + FreeShipping
Visit Store » Amazon.com ( 4.68 / 5 )
Features
- Specially designed to withstand the harsh detergents and additives found in automatic transmission uid
- Formulated to resist aging, weathering and thermal cycling without hardening, shrinking or cracking
- Improves transmission oil resistance and provides good adhesion while retaining flexibility
- Sensor-safe, non-corrosive, non-flammable, non-toxic, and low odor sealant can be used as a gasket maker or dressing
- Suggested Applications - Automatic transmission pans, case halves and inside covers
7
Berryman Products 712 Transmission And Power Steering Sealer
BERRYMAN PRODUCTSBrand
712Model
9.0H*2.31L*2.31W inchesDimension
0.69 lbWeight
8.9We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
Visit Store » JBTools ( 4.77 / 5 )
Features
8
Seallube 4008 Stops Leaks: Gasoline Engines, Diesel Engines, Automatic Transmissions
SEALLUBEBrand
4008Model
8.7We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$$
Visit Store » NEW TECH OIL COMPANY LLC ( 4.74 / 5 )
Features
- Stops Leaks - Gasoline Engines, Diesel Engines, Hydraulic Systems, Transmissions, Power Steering Units, Rack and Pinion, Differentials, A/C and much more!
- Restores flexibility, elasticity and tensile strength of all rubber seals
- Seals Leaks - Transmissions, power steering, main bearing, jacks & hydraulic systems
- Works in Hours - Lasts for Years
9
Permatex 82099 Spray Sealant, 12 Oz.
PERMATEXBrand
82099Model
0.0H*0.0L*0.0W inchesDimension
0.75 lbWeight
8.5We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
Save 22%
Visit Store » JBTools ( 4.77 / 5 )
Features
- Durable rubber barrier stops leaks in minutes
- Targets low pressure leaks in hoses, oil pans, differentials, transmission pans, as well as plastic, PVC and metal pipes
- Eliminates the need for liquid additive sealers that can swell and foul internal seals
- Seals hard-to-reach leaks without the need for disassembling or removing parts
- Resists common shop fluids
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K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair
K-SEALBrand
ST5501Model
2.36H*3.11L*0.79W inchesDimension
0.6 lbWeight
Ranked #1 in Best Radiator Sealers Of 2024
8.5We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $$
Save 17% + FreeShipping
Visit Store » Amazon.com ( 4.68 / 5 )
Features
- FIX IT FAST - Our multi-purpose solution works in minutes to quickly & permanently seal leaks in the radiator, head gasket, freeze plugs, block, heater matrix & water pump. Fixes most leaks in water-cooled engines
- STOP HOLES & CRACKS - With just 1 step our unique formula will seek out each hole & crack, permanently sealing them, without any adverse impact on the efficiency of your engine cooling
- EASY TO USE - K-Seal couldn't be simpler to use & requires no draining or flushing; just shake, pour & go - shake the bottle, add the fluid to your coolant system & run your engine as normal
- VERSATILE COMPATIBILITY - Compatible with all types of antifreeze coolant. Suitable for use in both cars & light trucks with up to 12 cylinders. A permanent repair for the lifetime of the engine
- PROFESSIONAL-GRADE RELIABILITY - Trusted by mechanics, our sealer delivers a durable & long-lasting repair. A cost-effective solution to engine coolant leaks, enhancing the reliability & performance of your vehicles cooling system. We've sold millions worldwide & are independently verified by university testing to meet ASTM D3147
11
Rislone 4501 High Mileage Transmission Stop Slip With Leak Repair
RISLONEBrand
4501Model
1.06 lbWeight
8.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $
Save 39%
Visit Store » Bicyclingfanatic ( 4.72 / 5 )
Features
- Renews and Stabilizes Automatic Transmission Fluid
- Stops Fluid Loss
- Reduces Friction & Wear
- Protects Internal Components
- Automatic Transmissions do not work without fluid, nor do they work well without the correct fluid. Automatic Transmission Fluid (ATF) is one of the most complex of all lubricating fluids.
12
Niteo M1512 Transeal Automatic Transmission Sealer
NITEOBrand
M1512Model
8.0H*2.0L*3.0W inchesDimension
0.78 lbWeight
8.2We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good
Price: $
FreeShipping
Visit Store » Amazon.com ( 4.68 / 5 )
Features
- MOTOR MEDIC is a local family owned company based out of Charlotte, NC. For more than 75 years, LIQUID WRENCH products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation.MOTOR MEDIC
- Stops leaks fast
- Compatible with most ATF
- Conditions seals
- Shift improver
- This item is not for sale in Catalina Island
13
Bar'S Leaks OS-1 Seal Engine Oil Burning/Leak Repair
BAR'S LEAKSBrand
OS-1Model
1.1 lbWeight
Ranked #3 in Best Oil Leak Additives Of 2024
Ranked #15 in Best Oil Additive For Engine Knock Of 2024
Ranked #15 in Best Oil Additive For Engine Knock Of 2024
8.0We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $$
Save 6% + FreeShipping
Visit Store » Amazon.com ( 4.68 / 5 )
Features
- 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 Bars 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 SUVs. 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, RVs, motorcycles (including wet clutch), ATVs, lawn equipment.
- MADE IN THE USA
14
Lubegard LX-FIXX Lg-Fixx Seal Fixx Multi-Purpose Stop Leak
LUBEGARDBrand
LX-FIXXModel
7.38H*1.88L*2.88W inchesDimension
7.8We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $$
FreeShipping
Visit Store » Amazon.com ( 4.68 / 5 )
Features
15
Rislone 4502 High Mileage Transmission Stop Slip With Leak Repair
RISLONEBrand
4502Model
2.5H*10.0L*4.3W inchesDimension
7.6We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $$
FreeShipping
Visit Store » Amazon.com ( 4.68 / 5 )
Features
- ELIMINATES SLIPPING - This formula contains a special blend of viscosity improvers, anti-wear friction modifiers and extreme performance additives to solve most transmission problems.
- REPAIRS HARD SHIFTING - These additives reduce rough shifting and friction, while eliminating slip, controlling temperature, and repairing shudder, chatter and whining.
- STOPS LEAKS AND FLUID LOSS - Excellent to use as a preventative maintenance product. Use to top off existing fluid when low or add a bottle when changing fluid. Specifically designed for higher mileage vehicles over 75,000 miles.
- FOR AUTOMATIC AND MANUAL TRANSMISSIONS - Works with any front wheel drive, rear wheel drive, all-wheel drive and four wheel drive automatic transmission. Do not use in CVT transmission.
- MADE IN THE USA
16
Bluedevil Products 00234 Rear Main Sealer - 8 Ounce
BLUEDEVIL PRODUCTSBrand
00234Model
2.5H*6.0L*2.5W inchesDimension
0.5 lbWeight
7.6We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $$
Save 23%
Visit Store » AutoParts Kingdom ( 4.47 / 5 )
Features
- Permanent seal - This product is formulated to flow into damaged areas of the rear main seal to provide a permanent seal to keep your vehicles oil inside of the rear of the engine. Works as a permanent repair and does not need to be added when oil is changed.
- Easy to use - BlueDevil Rear Main Sealer is designed to be easy to use, making it accessible to a wide range of drivers. Simply pour the recommended amount into the engine oil.
- Restores while you drive - Designed to restore dried, cracked, and shrunken rubber seals to their original condition while you drive.
- Safe to use - Does not contain petroleum distillates which can destroy seals.
- Compatible with all types of engines - Works on gasoline or diesel engines that use synthetic or conventional oils, making it a versatile product that can be used on a wide range of vehicles.
- Do not use in brake systems or on painted surfaces!
17
Bar'S Leaks 1415 Transmission Fix, 1 Pack
BAR'S LEAKSBrand
1415Model
7.5We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $$
Save 9%
Visit Store » JBTools ( 4.77 / 5 )
Features
- SEAL CONDITIONER - Stops current and prevents future leaks by protecting and reconditioning seals.
- PERFORMANCE ADDITIVE BOOSTER - Renews worn bands, controls fluid degradation caused by high temperatures, reduces noise, and prolongs the useful life of your transmission.
- EXTREME PRESSURE / ANTI-WEAR AGENTS - Provide better metal- to-metal friction properties to stop slipping, jerking, hard shifting, shutter and shudder, improving shift feel giving better driving comfort.
- CLEANING DETERGENTS - Include dispersant and antioxidants to remove sludge and varnish from metal parts.
- DOSAGE - One bottle treats transmission systems from 7 to 11 quarts of total fluid capacity. Use a half bottle for fluid capacity from 3 to 6.9 quarts. For larger systems, use 1 bottle for every 9 quarts.
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Bar'S Leaks 1334-5PK One Seal Stop Leak - 11 Oz
BAR'S LEAKSBrand
1334-5PKModel
1.8H*6.5L*3.0W inchesDimension
0.69 lbWeight
7.4We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $$$
FreeShipping
Visit Store » Amazon.com ( 4.68 / 5 )
Features
- WORKS WITH ALL ENGINE OIL, TRANSMISSION FLUID AND POWER STEERING FLUIDS - Bar's Leaks One Seal multipurpose stop leak effectively seals all minor engine oil, transmission and power steering system leaks.
- SAFE AND EASY TO USE, GUARANTEED - One bottle will treat one engine oil, transmission fluid or power steering fluid system leak.
- 3X SEALER - Its specifically designed to stop seal and gasket leaks caused by normal wear and age.
- One bottle will treat one engine oil, transmission fluid or power steering fluid system leak.
- Leaks usually stop in 200 miles, or 3 days of driving.
19
Bar'S Leaks 1414 Cvt Transmission Fix
BAR'S LEAKSBrand
1414Model
8.12H*3.0L*1.8W inchesDimension
0.69 lbWeight
7.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $$
Save 8%
Visit Store » JBTools ( 4.77 / 5 )
Features
- SEAL CONDITIONER - Stops current and prevents future leaks by protecting and reconditioning seals.
- EXTREME PRESSURE / ANTI-WEAR AGENTS - Provides better metal-to-metal friction properties to stop slipping, jerking, rough shifting and shudder, improving shift feel giving better driving comfort.
- CLEANING DETERGENTS - Includes dispersant and anti-oxidants to remove sludge and varnish from metal parts.
- PERFORMANCE ADDITIVE BOOSTER - Controls fluid degradation caused by high temperatures, extending CVT life and reduces noise.
- DOSAGE - One bottle treats 6 to 10 quarts of total fluid capacity. Use a half bottle for fluid capacity from 3 to 5.9 quarts. For larger systems use 1 bottle for every 8 quarts.
20
Prestone AS272 Multi-Vehicle Automatic Transmission Fluid With Stop Leak
PRESTONEBrand
AS272Model
Ranked #15 in Best Automatic Transmission Fluids Of 2024
7.2We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Good
Price: $
FreeShipping
Visit Store » Amazon.com ( 4.68 / 5 )
Features
- High-quality automatic transmission fluid that helps to stop leaks and condition dry and cracked seals
- 2-in-1 formula blend of the latest in transmission-fluid technology and advanced stop-leak additives
- Engineered for European, Asian, and American vehicles
- Designed to perform in both high and low temperature extremes
- For new and old vehicles