Permatex 30302 Engine Oil Stop Leak, Effectively Stops and Prevents Oil Leaks, 12 oz
Permatex 30302 Engine Oil Stop Leak, Effectively Stops and Prevents Oil Leaks, 12 oz
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Permatex 30302 Engine Oil Stop Leak, Effectively Stops and Prevents Oil Leaks, 12 oz

|11 ratings

Key item features

  • Reliable Leak Solution: Offers a cost-effective alternative for fixing leaks in vehicle engine systems, suitable for all gasoline and diesel four-stroke engines.
  • Stops Leaks Effectively: Provides a perfect solution for small to moderate engine oil leaks, stopping and preventing oil leaks and burning without engine dismantling.
  • Durable Sealant Action: Delivers a long-lasting seal for engine oil leaks, reduces blow-by, and revitalizes rubber and neoprene seals and O-rings.
  • Eliminates Oil Mess: Ideal for drivers tired of constantly adding oil or dealing with messy oil leaks, simplifying engine maintenance.
  • Broad Engine Compatibility: Formulated for multiple motor oil types, motor oil viscosities, and various engine cycle configurations.
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Specs

Motor oil viscosity, 5W - 30Motor oil type, Conventional Motor OilsBrand, PermatexRec. use, Automotive, Truck, RV, Fleet VehicleVolume capacity, 12 fl ozHas high mileage additives, N

About this item

Product details

Permatex’s Engine Oil Stop Leak is specially formulated to provide drivers with a reliable and cost-effective alternative for fixing leaks in their vehicle’s engine system. Suitable for all Gasoline and Diesel Four-Stroke Engines, it’s the perfect solution for anyone experiencing small to moderate engine oil leaks. Permatex Engine Oil Stop Leak effectively stops and prevents engine oil leaks and oil burning without dismantling in a safe and cost-effective manner. It provides a long-lasting seal for engine oil leaks, reduces blow-by, and revitalizes rubber and neoprene seals and O-rings, allowing drivers to experience a smooth and uninterrupted ride. 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 you. Compatible with many Motor Oil Viscosity and Cylinder types.
  • 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.
  • For Multiple Motor Oil Types, Motor Oil Viscosity, and Number Of Engine Cycles
info:
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Specifications

Motor oil viscosity

5W - 30

Motor oil type

Conventional Motor Oils

Brand

Permatex

Rec. use

Automotive, Truck, RV, Fleet Vehicle

Warranty

Warranty information

Limited Warranty. ITW warrants that it will convey the Products free and clear of all liens, security interests and encumbrances created by, through or under ITW. ITW further warrants that for a period of 6 months from the date of delivery to the common carrier (the “Warranty Period”), under normal use and given proper installation and maintenance as determined by ITW, the Products: (a) will conform to mutually agreed upon written specifications or other descriptions; and (b) will be free from substantial defects in material and workmanship.

Customer ratings & reviews

4.3 out of 5 stars
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11 ratings6 reviews
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Showing 1-3 of 6 reviews

Dec 4, 2025
Reviewer name: Walmart customer
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

No regrets with the purchase!

Incentivized Review
Helpful?6CXYJ52N7X545656213312
Oct 23, 2026
Reviewer name: mark
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Works

Works on minor leaks. Permatex is a quality brand.

Incentivized Review
Helpful?6CXYJ52N7X545656213312
Sep 16, 2026
Reviewer name: Luis
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Engine oil leak stopped!

This product helps with the cold starts in the mornings. I have a 2012 Honda CRV and have seen significantly less oil dripping on the driveway. I would recommend this product!

Incentivized Review
Helpful?6CXYJ52N7X545656213312
Current price is $10.2185.1 ¢/fl oz
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