Best Engine Oil Stop Leak Additive - April 2024

STP High Mileage Oil Treatment + Stop Leak (15 fl. oz.)

This high-viscosity formula, complete with anti wear agent ZDDP, is specially formulated to help fight metal-to-metal friction by providing a thicker cushion between moving engine parts.

• ASIN: B00D8OFQUE
• UPC: 071153785953
• ASIN: B00D8OFQUE
• Brand: STP
• Size: 15 fl. oz
• Manufacturer: STP

Lucas Oil 10278 1 Quart (32 Ounces) Engine Oil

Lucas Engine Oil Stop Leak is an all new formulation of Lucas additives and very specific base stocks designed to stop seal leaks in engines. Compatible with petroleum, semi-synthetic and full synthetic motor oils.

• ASIN: B001KXN3YQ
• UPC: 612524810142
• ASIN: B001KXN3YQ
• Brand: Lucas Oil
• Size: 1 Quart (32 Ounces)
• Manufacturer: LUCAS OIL

Lucas Oil Products LUC10278 Engine Oil Stop Leak1 Quart, 32. Fluid_Ounces

Lucas engine oil Stop leak is an All new formulation of Lucas additives and very specific base stocks designed to Stop seal leaks in engines

• ASIN: B00F96P58C
• ASIN: B00F96P58C
• Brand: Lucas Oil
• Size: 1 quart, 1 Pack
• Manufacturer: Lucas Oil Products

Bar's Leaks 1010 Engine Oil Stop Leak Concentrate - 11 oz.

Engine components can wear down over time, and eventually cause leaks. You usually don’t notice until you see the telltale sign of a puddle collected underneath where your car is parked. Then, you start worrying about the time and money needed to stop an engine oil leak. Lucky for you, we created the easy-to-use Bar’s Leaks Engine Oil Stop Leak Concentrate. Bar’s Leaks Engine Oil Stop Leak Concentrate is specially formulated to stop and seal motor oil leaks caused by normal engine wear and age. It not only stops leaks, but also prevents them by conditioning and restoring gaskets and seal... [Read More]

• ASIN: B007552KPG
• UPC: 044111315226
• ASIN: B007552KPG
• Brand: Bar's Leaks
• Size: Pack of 1
• Manufacturer: Bar's Leaks

Lucas Oil 10279 Engine Oil Stop Leak - 1 Gallon

Lucas Engine Oil Stop Leak is an all new formulation of Lucas additives and very specific base stocks designed to stop seal leaks in engines.

• ASIN: B002U5XPLO
• UPC: 049807102791
• ASIN: B002U5XPLO
• Brand: Lucas Oil
• Size: 1 Gallon (128 Ounces)
• Manufacturer: Lucas Oil

CD-2 4105R Stop Leak for Engine Oil - 15 oz.

Pour entire contents of one bottle into engine oil crankcase (3 to 6 quart capacity). Drive vehicle in normal manner. Oil leak will be sealed within 1,000 miles of driving. If leaks are a result of worn parts or cracked or broken seals, vehicle will require mechanical repair.

• ASIN: B00062ZG9W
• UPC: 070711041050
• ASIN: B00062ZG9W
• Brand: CD2
• Size: 15 Ounce
• Manufacturer: CD2

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

Lucas Engine Oil Stop Leak is an all new formulation of Lucas additives and very specific base stocks designed to stop seal leaks in engines.

• ASIN: B008RWA2G0
• ASIN: B008RWA2G0
• Brand: Lucas Oil
• Size: 1 Gallon (128 Ounces), (Case of 4)
• Manufacturer: Lucas Oil

BlueDevil Oil Stop Leak

BlueDevil Oil Stop Leak seals engine oil leaks permanently. It is non-clogging and will not harm your engine.

• ASIN: B000OAEN7C
• UPC: 663536494998
• ASIN: B000OAEN7C
• Brand: BlueDevil Products
• Manufacturer: BlueDevil Products

Bar's Leaks 1000 1 Pack Leaks Engine Repair

Aging - as something gets older, it doesn’t perform like it did when it was young. It’s a natural process, and one that we can deal with. A car’s engine ages over time and can lose its efficiency and power. As your engine gains more miles, oil alone can’t do the job. Engines lose their like-new performance over time, but there are ways to deal with the problem — if you know where to look. Bar’s Leaks Engine Repair helps to stop and prevent these problems, and also extends the useful life of your engine. A car represents a significant investment, and your engine is the heart and sou... [Read More]

• ASIN: B000931OEO
• UPC: 046087010006
• ASIN: B000931OEO
• Brand: Bar's Leaks
• Size: 1 Pack
• Manufacturer: Bar's Leaks

Hapco Products - Pro-Seal - 8 oz.

Hapco Pro-Seal is the most concentrated leak sealant that we offer! It is easy to use and guarantees a fast, permanent seal in any fluid system. This formula brings all rubber seals that suffer from age and wear, back to their original condition to help prevent future leaks. Does not contain particles or solvents and will not harm any seals. For Best Results: Add Pro-Seal directly to fluid reservoir where leak is occurring. Do not use in brake system. Use the full 8 oz. bottle to seal any unit up to an 8 quart capacity. Drive vehicle as normal to allow circulation of fluids. Also Safe To Use I... [Read More]

• ASIN: B01M1A0O61
• ASIN: B01M1A0O61
• Brand: Hapco Products Co.
• Size: Pack of 1
• Manufacturer: Hapco Products Co.

Bar's Leaks 1040-6PK Concentrated Rear Main Seal Repair - 16.9 oz, (Pack of 6)

Have you noticed oil leaking from your car lately? Many car owners fear the puddle they see forming under their vehicles, and many worry about the time and cost to make it go away. That leak might be due to worn or dried seals. There’s no need to worry or spend your money on a costly repair bill, however. Our Bar’s Leaks Concentrated Rear Main Seal Repair quickly and safely restores those seals so you can get back on the road. Bar’s Leaks is the leader that specializes in chemical solutions for rear main seal leaks and other automotive issues. Our products are effective and affordable. A... [Read More]

• ASIN: B00BYS6OD4
• ASIN: B00BYS6OD4
• Brand: Bar's Leaks
• Size: Pack of 6
• Manufacturer: Bar's Leaks

XL Nanolube Engine Oil Additive & Nano Treatment; Reduces Oil Burning & Engine Smoke; Works w/Synthetic & All Oil; Great for Diesel & Gas Engine, Great for Light & Heavy Duty w/ 2 or More

After a decade of Research & Development and Road Testing, XL is now ready to take care of your vehicle. A Silicon Valley technology, XL is a significant scientific breakthrough to optimize all engines, diesel or gasoline. XL detoxes your vehicle and produces instant results. Not only does it give more power to your vehicle, it does so while saving you money and cleaning the environment. XL is always at work for you. It is as simple as pouring the bottle in your engine oil. XL creates a Nano-film around all metal parts and does not drip off and thus eliminates the Dry Start Damages. XL Nanolub... [Read More]

• ASIN: B01L9KNLLO
• UPC: 869378000209
• ASIN: B01L9KNLLO
• Brand: XL Nanolube
• Size: 8 ounce
• Manufacturer: AKJ, LLC

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

• ASIN: B00KFKOR0Y
• UPC: 818887011466
• ASIN: B00KFKOR0Y
• Brand: XADO

Liqui Moly 2020 Motor Oil Saver - 300 ml

Suitable for all petrol and Diesel engines and compatible with all commercially available engine oils. 300 ml is sufficient for 3 -- 4 litres of engine oil. Sealing first takes effect after about 600 -- 800 km.

• ASIN: B00CPL8WY8
• UPC: 826732461564
• ASIN: B00CPL8WY8
• Brand: Liqui Moly
• Size: 300 Milliliter
• Manufacturer: Liqui Moly

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

AT-205 Re-Seal is a fast, effective and safe stop-leak for all rubber seals and gaskets. The exclusive formulation restores worn or dried out seals and is not harmful to internal bearings and components. 

• ASIN: B000NVW1LM
• UPC: 616369889363
• ASIN: B000NVW1LM
• Brand: ATP Automotive
• Manufacturer: ATP

(9 Pack) Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart

Lucas Engine Oil Stop Leak is a unique formulation of additives and base stocks engineered to stop leaks in engines. Its effectiveness extends to manual transmissions, gear boxes and valve stem

• UPC: 263433502
• Rating: 4.0

Bar's Leaks Engine Oil Stop Leak Concentrate, 11 fl oz

Stop and seal motor oil leaks with Bar's Leaks Engine Oil Stop Leak

• UPC: 19276117
• Model: 1010
• Color: Multicolor
• Rating: 3.769

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

Keep your vehicle in great shape with STP High Mileage Oil

• UPC: 19897926
• Model: 7115378595
• Color: Multicolor
• Size: 15 oz
• Rating: 5.0

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart

Lucas Engine Oil Stop Leak is an all new formulation of Lucas additives and very specific base stocks designed to stop seal leaks in

• UPC: 397737387
• Model: 10278
• Color: Multicolor

(6 Pack) Shell Rotella T6 5W-40 Full Synthetic Heavy Duty Diesel Engine Oil, 1 gal

Rotella T6 5W40 CJ4_3*1ugl_A0II

• UPC: 945298944
• Rating: 4.873

(3 Pack) Nano Prime Engine & Oil Additive

Nano Prime is Rislone's most advanced engine & oil additive ever - it's unlike anything else on the market, period. Perfect for new and older vehicles. Rislone gives the extra protection needed for today's lighter

• UPC: 985285578
• Rating: 5.0

Super Tech TC-W3 Outboard 2-Cycle Engine Oil, 1 Gallon

Be prepared with Super Tech TC-W3 Outboard 2-Cycle Oil, 1 Gallon. With it, you'll be ready for the next time you need to fill up. This Super Tech outboard oil is a premium, high-quality solution

• UPC: 16795065
• Model: WM06103P
• Rating: 4.818

(6 Pack) Shell Rotella T6 5W-40 Full Synthetic Heavy Duty Diesel Engine Oil, 1 gal (3-pack)

Shell Rotella® T6 5W-40 Diesel Engine Oil is a full synthetic motor oil that features exclusive Triple Protection Plus⢠technology, formulated with fully synthetic base oils plus advanced additives to protect against wear, deposits and

• UPC: 445003620
• Rating: 4.877

(3 Pack) Quicksilver 2-Stroke Advanced Premium Plus Synthetic Marine Engine Oil

Quicksilver Advanced Premium Plus 2-cycle oil, gallon, is recommended for use in liquid-cooled, 2-cycle engines with oil injection systems or for premix applications that require a TC-W3 oil. This Quicksilver 2-cycle oil meets or exceeds

• UPC: 315019360
• Rating: 5.0

(3 Pack) Rotella T6 5W-40 Full Synthetic Heavy Duty Engine Oil, 2.5 gal

Shell Rotella T6 5W-40 Full Synthetic Heavy Duty Engine Oil features an advanced multi-functional, low-ash additive technology in a synthetic base oil designed to provide highly responsive protection that continuously adapts to your driving

• UPC: 457273920
• Rating: 4.923